草业学报 ›› 2023, Vol. 32 ›› Issue (3): 13-29.DOI: 10.11686/cyxb2022136
王茂鉴(), 石薇, 常生华, 张程, 贾倩民(), 侯扶江
收稿日期:
2022-03-26
修回日期:
2022-05-05
出版日期:
2023-03-20
发布日期:
2022-12-30
通讯作者:
贾倩民
作者简介:
E-mail: guqm@lzu.edu.cn基金资助:
Mao-jian WANG(), Wei SHI, Sheng-hua CHANG, Cheng ZHANG, Qian-min JIA(), Fu-jiang HOU
Received:
2022-03-26
Revised:
2022-05-05
Online:
2023-03-20
Published:
2022-12-30
Contact:
Qian-min JIA
摘要:
2019-2020年,在甘肃河西地区设置玉米单作(C)、玉米-秣食豆间作(CM)和玉米-拉巴豆间作(CL)3个种植方式,每个种植方式设置重度亏水(T1)、后期亏水(T2)、交替亏水(T3)、后期轻度亏水(T4)、前期轻度亏水(T5)和充分灌溉(T6)6种灌溉模式,研究灌溉模式对禾-豆间作系统饲草产量、品质和水分利用的影响。结果表明,两年CM和CL处理的群体干草产量显著高于C,2019年较C分别增加6.48%和9.47%,2020年分别增加9.09%和13.11%。两年CM和CL处理的群体酸性洗涤纤维(ADF)和中性洗涤纤维(NDF)含量显著低于C,而群体粗蛋白含量、粗灰分含量及相对饲用价值(RFV)显著高于C,2019年CM和CL处理的RFV较C分别增加10.73%和13.06%,2020年分别增加7.39%和10.59%。两年CL处理的水分利用效率(WUE)和灌水相对生产效率(IPE)显著高于C,2019年较C分别增加7.77%和11.41%,2020年分别增加8.76%和15.11%。两年T5、T6的群体干草产量无明显差异,而T5处理的群体粗蛋白和粗脂肪含量较高,ADF和NDF含量较低,且T5处理的WUE和IPE显著高于T6,2019年较T6分别提高22.14%和48.34%,2020年分别提高25.18%和45.51%。因此,玉米-拉巴豆间作(CL)在前期轻度亏水(T5)条件下能够提高群体饲草产量、品质和水分利用效率,是一种适宜河西灌区饲草作物高产优质栽培和水分高效利用的管理模式。
王茂鉴, 石薇, 常生华, 张程, 贾倩民, 侯扶江. 灌溉模式对河西灌区禾-豆间作系统饲草产量、品质和水分利用的影响[J]. 草业学报, 2023, 32(3): 13-29.
Mao-jian WANG, Wei SHI, Sheng-hua CHANG, Cheng ZHANG, Qian-min JIA, Fu-jiang HOU. Effects of irrigation modes on forage yield, quality and water use of corn-legume intercropping systems in the Hexi irrigation area[J]. Acta Prataculturae Sinica, 2023, 32(3): 13-29.
种植模式 Planting modes | 全年灌溉量 Annual irrigation volume (m3·hm-2) | 灌溉时期 Irrigation stage |
---|---|---|
玉米单作Corn monocropping (C), 玉米-秣食豆间作Corn-forage soybean intercropping (CM), 玉米-拉巴豆间作Corn-laba bean intercropping (CL) | 1500 (T1) | 6叶期6-leaf stage |
3000 (T2) | 6叶期+12叶期6-leaf stage+12-leaf stage | |
3000 (T3) | 6叶期+散粉期6-leaf stage+pollen-shedding stage | |
4500 (T4) | 6叶期+12叶期+散粉期6-leaf stage+12-leaf stage+pollen-shedding stage | |
4500 (T5) | 6叶期+散粉期+灌浆期6-leaf stage+pollen-shedding stage+blister stage | |
6000 (T6) | 6叶期+12叶期+散粉期+灌浆期6-leaf stage+12-leaf stage+pollen-shedding stage+blister stage |
表1 试验设计
Table 1 Experimental design
种植模式 Planting modes | 全年灌溉量 Annual irrigation volume (m3·hm-2) | 灌溉时期 Irrigation stage |
---|---|---|
玉米单作Corn monocropping (C), 玉米-秣食豆间作Corn-forage soybean intercropping (CM), 玉米-拉巴豆间作Corn-laba bean intercropping (CL) | 1500 (T1) | 6叶期6-leaf stage |
3000 (T2) | 6叶期+12叶期6-leaf stage+12-leaf stage | |
3000 (T3) | 6叶期+散粉期6-leaf stage+pollen-shedding stage | |
4500 (T4) | 6叶期+12叶期+散粉期6-leaf stage+12-leaf stage+pollen-shedding stage | |
4500 (T5) | 6叶期+散粉期+灌浆期6-leaf stage+pollen-shedding stage+blister stage | |
6000 (T6) | 6叶期+12叶期+散粉期+灌浆期6-leaf stage+12-leaf stage+pollen-shedding stage+blister stage |
图1 不同处理下玉米的干草产量不同小写字母代表处理间差异达到显著水平,不同大写字母代表同一因素下不同水平间差异达到显著水平;P表示种植模式,I表示灌溉方式,I×P表示交互作用;*,**分别表示在0.05和0.01水平差异显著,ns表示差异不显著,下同。Different lowercase letters indicate significant differences among treatments, and different capital letters indicate significant differences between different levels within the same factor; P represents the planting modes, I represents the irrigation methods, and I×P represents the interaction. *, ** indicate the significance of difference at the 0.05, 0.01 level, respectively,ns means the difference is not significant, the same below.
Fig.1 Hay yield of corn under different treatments
图2 不同处理下豆科作物的干草产量#表示CM和CL处理的平均值差异达到显著水平(P<0.05)。# indicates that the mean values of CM and CL treatments are significantly different (P<0.05).
Fig.2 Hay yield of legumes under different treatments
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 8.46a | 2.67b | 4.05cdef | 21.86a | 32.35a | 206.67a |
T2 | 8.47a | 3.29a | 3.91def | 21.47a | 32.06a | 209.43a | |
T3 | 8.69a | 3.30a | 4.65abcd | 21.93a | 32.31a | 206.78a | |
T4 | 8.95a | 3.41a | 4.20abcdef | 21.19a | 31.82a | 211.61a | |
T5 | 9.14a | 3.43a | 4.00def | 20.69a | 29.14a | 232.36a | |
T6 | 9.11a | 3.50a | 3.66f | 19.86a | 29.90a | 228.45a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 8.55a | 2.80b | 4.35abcde | 20.32a | 30.13a | 225.64a |
T2 | 8.77a | 3.22ab | 4.58abcd | 21.46a | 31.30a | 214.57a | |
T3 | 8.88a | 3.52a | 4.81a | 21.22a | 30.81a | 218.53a | |
T4 | 9.05a | 3.58a | 4.11abcdef | 20.33a | 29.63a | 229.37a | |
T5 | 9.02a | 3.73a | 3.83def | 19.42a | 29.17a | 235.30a | |
T6 | 9.00a | 3.83a | 3.72ef | 19.81a | 29.10a | 234.89a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 8.58a | 2.79b | 4.32abcde | 21.73a | 32.05a | 208.90a |
T2 | 8.64a | 3.23ab | 4.72abc | 21.98a | 29.87a | 223.56a | |
T3 | 8.90a | 3.49a | 4.76ab | 21.70a | 29.99a | 223.32a | |
T4 | 8.70a | 3.40a | 4.35abcde | 20.38a | 30.21a | 224.89a | |
T5 | 9.12a | 3.45a | 3.98cdef | 20.58a | 29.23a | 231.89a | |
T6 | 9.05a | 3.42a | 4.02cdef | 19.96a | 28.96a | 235.61a | |
平均值 Average | T1 | 8.53A | 2.75C | 4.24BC | 20.97A | 31.48A | 213.74A |
T2 | 8.63A | 3.25B | 4.40B | 21.64A | 31.07A | 215.86A | |
T3 | 8.83A | 3.44AB | 4.74A | 21.62A | 31.04A | 216.21A | |
T4 | 8.90A | 3.46AB | 4.22BC | 20.63A | 30.55A | 221.96A | |
T5 | 9.09A | 3.54A | 3.94CD | 20.23A | 29.18A | 233.19A | |
T6 | 9.05A | 3.58A | 3.80D | 19.87A | 29.32A | 232.98A | |
C | 8.80A | 3.27A | 4.08B | 21.00A | 31.25A | 215.88A | |
CM | 8.88A | 3.45A | 4.23A | 20.42A | 30.02A | 226.38A | |
CL | 8.83A | 3.30A | 4.36A | 21.05A | 30.05A | 224.70A | |
显著性 Significance | I | ns | ** | ** | ns | ns | ns |
P | ns | ns | ** | ns | ns | ns | |
I×P | ns | ns | ns | ns | ns | ns |
表2 2019年不同处理下玉米的营养成分
Table 2 Nutritional composition of corn under different treatments in 2019
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 8.46a | 2.67b | 4.05cdef | 21.86a | 32.35a | 206.67a |
T2 | 8.47a | 3.29a | 3.91def | 21.47a | 32.06a | 209.43a | |
T3 | 8.69a | 3.30a | 4.65abcd | 21.93a | 32.31a | 206.78a | |
T4 | 8.95a | 3.41a | 4.20abcdef | 21.19a | 31.82a | 211.61a | |
T5 | 9.14a | 3.43a | 4.00def | 20.69a | 29.14a | 232.36a | |
T6 | 9.11a | 3.50a | 3.66f | 19.86a | 29.90a | 228.45a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 8.55a | 2.80b | 4.35abcde | 20.32a | 30.13a | 225.64a |
T2 | 8.77a | 3.22ab | 4.58abcd | 21.46a | 31.30a | 214.57a | |
T3 | 8.88a | 3.52a | 4.81a | 21.22a | 30.81a | 218.53a | |
T4 | 9.05a | 3.58a | 4.11abcdef | 20.33a | 29.63a | 229.37a | |
T5 | 9.02a | 3.73a | 3.83def | 19.42a | 29.17a | 235.30a | |
T6 | 9.00a | 3.83a | 3.72ef | 19.81a | 29.10a | 234.89a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 8.58a | 2.79b | 4.32abcde | 21.73a | 32.05a | 208.90a |
T2 | 8.64a | 3.23ab | 4.72abc | 21.98a | 29.87a | 223.56a | |
T3 | 8.90a | 3.49a | 4.76ab | 21.70a | 29.99a | 223.32a | |
T4 | 8.70a | 3.40a | 4.35abcde | 20.38a | 30.21a | 224.89a | |
T5 | 9.12a | 3.45a | 3.98cdef | 20.58a | 29.23a | 231.89a | |
T6 | 9.05a | 3.42a | 4.02cdef | 19.96a | 28.96a | 235.61a | |
平均值 Average | T1 | 8.53A | 2.75C | 4.24BC | 20.97A | 31.48A | 213.74A |
T2 | 8.63A | 3.25B | 4.40B | 21.64A | 31.07A | 215.86A | |
T3 | 8.83A | 3.44AB | 4.74A | 21.62A | 31.04A | 216.21A | |
T4 | 8.90A | 3.46AB | 4.22BC | 20.63A | 30.55A | 221.96A | |
T5 | 9.09A | 3.54A | 3.94CD | 20.23A | 29.18A | 233.19A | |
T6 | 9.05A | 3.58A | 3.80D | 19.87A | 29.32A | 232.98A | |
C | 8.80A | 3.27A | 4.08B | 21.00A | 31.25A | 215.88A | |
CM | 8.88A | 3.45A | 4.23A | 20.42A | 30.02A | 226.38A | |
CL | 8.83A | 3.30A | 4.36A | 21.05A | 30.05A | 224.70A | |
显著性 Significance | I | ns | ** | ** | ns | ns | ns |
P | ns | ns | ** | ns | ns | ns | |
I×P | ns | ns | ns | ns | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 9.28a | 2.65b | 4.58ab | 21.96a | 32.70a | 204.23a |
T2 | 9.59a | 3.07ab | 4.27abcd | 21.38a | 32.30a | 208.05a | |
T3 | 9.72a | 3.21ab | 4.38abcd | 21.85a | 32.53a | 205.52a | |
T4 | 9.90a | 3.33a | 4.20abcd | 21.07a | 31.86a | 211.65a | |
T5 | 10.09a | 3.27a | 3.92bcd | 20.58a | 29.36a | 230.84a | |
T6 | 9.84a | 3.29a | 3.75d | 19.76a | 29.13a | 234.76a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 9.17a | 2.71b | 4.55abc | 21.72a | 31.93a | 209.71a |
T2 | 9.46a | 3.06ab | 4.68a | 21.88a | 31.62a | 211.38a | |
T3 | 9.74a | 3.34a | 4.72a | 21.65a | 31.42a | 213.27a | |
T4 | 9.52a | 3.40a | 4.21abcd | 20.73a | 30.23a | 223.90a | |
T5 | 10.17a | 3.64a | 3.82cd | 19.81a | 29.65a | 230.52a | |
T6 | 9.90a | 3.61a | 3.81cd | 20.20a | 29.68a | 229.31a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 9.27a | 2.65b | 4.63ab | 22.16a | 32.29a | 206.37a |
T2 | 9.27a | 3.16ab | 4.83a | 22.42a | 31.00a | 214.34a | |
T3 | 9.51a | 3.28a | 4.74a | 22.13a | 30.59a | 217.91a | |
T4 | 9.79a | 3.36a | 4.45abcd | 20.79a | 30.81a | 219.52a | |
T5 | 10.21a | 3.55a | 4.08bcd | 20.37a | 29.62a | 229.39a | |
T6 | 10.01a | 3.58a | 4.12bcd | 20.36a | 29.54a | 230.01a | |
平均值 Average | T1 | 9.24B | 2.67C | 4.59A | 21.95A | 32.31A | 206.77A |
T2 | 9.44AB | 3.10B | 4.59A | 21.89A | 31.64AB | 211.25A | |
T3 | 9.66AB | 3.28AB | 4.61A | 21.88A | 31.51AB | 212.23A | |
T4 | 9.74AB | 3.36A | 4.29A | 20.86AB | 30.97AB | 218.35A | |
T5 | 10.16A | 3.49A | 3.94B | 20.25AB | 29.54B | 230.25A | |
T6 | 9.92AB | 3.49A | 3.89B | 20.11B | 29.45B | 231.36A | |
C | 9.74A | 3.14A | 4.18B | 21.10A | 31.31A | 215.84A | |
CM | 9.66A | 3.29A | 4.30AB | 21.00A | 30.75A | 219.68A | |
CL | 9.68A | 3.26A | 4.47A | 21.37A | 30.64A | 219.59A | |
显著性 Significance | I | * | ** | ** | ** | * | ns |
P | ns | ns | ** | ns | ns | ns | |
I×P | ns | ns | ns | ns | ns | ns |
表3 2020年不同处理下玉米的营养成分
Table 3 Nutritional composition of corn under different treatments in 2020
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 9.28a | 2.65b | 4.58ab | 21.96a | 32.70a | 204.23a |
T2 | 9.59a | 3.07ab | 4.27abcd | 21.38a | 32.30a | 208.05a | |
T3 | 9.72a | 3.21ab | 4.38abcd | 21.85a | 32.53a | 205.52a | |
T4 | 9.90a | 3.33a | 4.20abcd | 21.07a | 31.86a | 211.65a | |
T5 | 10.09a | 3.27a | 3.92bcd | 20.58a | 29.36a | 230.84a | |
T6 | 9.84a | 3.29a | 3.75d | 19.76a | 29.13a | 234.76a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 9.17a | 2.71b | 4.55abc | 21.72a | 31.93a | 209.71a |
T2 | 9.46a | 3.06ab | 4.68a | 21.88a | 31.62a | 211.38a | |
T3 | 9.74a | 3.34a | 4.72a | 21.65a | 31.42a | 213.27a | |
T4 | 9.52a | 3.40a | 4.21abcd | 20.73a | 30.23a | 223.90a | |
T5 | 10.17a | 3.64a | 3.82cd | 19.81a | 29.65a | 230.52a | |
T6 | 9.90a | 3.61a | 3.81cd | 20.20a | 29.68a | 229.31a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 9.27a | 2.65b | 4.63ab | 22.16a | 32.29a | 206.37a |
T2 | 9.27a | 3.16ab | 4.83a | 22.42a | 31.00a | 214.34a | |
T3 | 9.51a | 3.28a | 4.74a | 22.13a | 30.59a | 217.91a | |
T4 | 9.79a | 3.36a | 4.45abcd | 20.79a | 30.81a | 219.52a | |
T5 | 10.21a | 3.55a | 4.08bcd | 20.37a | 29.62a | 229.39a | |
T6 | 10.01a | 3.58a | 4.12bcd | 20.36a | 29.54a | 230.01a | |
平均值 Average | T1 | 9.24B | 2.67C | 4.59A | 21.95A | 32.31A | 206.77A |
T2 | 9.44AB | 3.10B | 4.59A | 21.89A | 31.64AB | 211.25A | |
T3 | 9.66AB | 3.28AB | 4.61A | 21.88A | 31.51AB | 212.23A | |
T4 | 9.74AB | 3.36A | 4.29A | 20.86AB | 30.97AB | 218.35A | |
T5 | 10.16A | 3.49A | 3.94B | 20.25AB | 29.54B | 230.25A | |
T6 | 9.92AB | 3.49A | 3.89B | 20.11B | 29.45B | 231.36A | |
C | 9.74A | 3.14A | 4.18B | 21.10A | 31.31A | 215.84A | |
CM | 9.66A | 3.29A | 4.30AB | 21.00A | 30.75A | 219.68A | |
CL | 9.68A | 3.26A | 4.47A | 21.37A | 30.64A | 219.59A | |
显著性 Significance | I | * | ** | ** | ** | * | ns |
P | ns | ns | ** | ns | ns | ns | |
I×P | ns | ns | ns | ns | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 18.12a | 3.58b | 11.10a | 4.65a | 16.05a | 494.26c |
T2 | 17.83a | 3.84b | 11.74a | 3.97b | 15.65a | 510.04c | |
T3 | 17.60a | 3.94b | 10.10a | 3.80b | 15.00ab | 532.96bc | |
T4 | 18.52a | 4.72a | 10.13a | 3.69b | 14.57abc | 549.23bc | |
T5 | 18.62a | 5.08a | 10.41a | 3.73b | 13.05bcd | 612.99abc | |
T6 | 17.40a | 5.00a | 10.24a | 2.99c | 12.89bcd | 624.75abc | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 18.75a | 3.69b | 11.84a | 2.61cd | 13.35bcd | 605.29abc |
T2 | 18.69a | 3.75b | 11.47a | 2.90c | 12.57cd | 641.18abc | |
T3 | 18.89a | 3.83b | 11.18a | 3.00c | 12.61cd | 638.57abc | |
T4 | 19.90a | 3.75b | 10.45a | 2.82c | 12.00d | 672.12ab | |
T5 | 19.85a | 3.81b | 10.14a | 2.18d | 11.28d | 719.13a | |
T6 | 19.05a | 4.02b | 10.29a | 2.51cd | 11.12d | 727.33a | |
平均值 Average | T1 | 18.44A | 3.64C | 11.47A | 3.63A | 14.70A | 549.77C |
T2 | 18.26A | 3.80C | 11.61A | 3.44AB | 14.11AB | 575.61BC | |
T3 | 18.24A | 3.89BC | 10.64AB | 3.40AB | 13.81AB | 585.77ABC | |
T4 | 19.21A | 4.24AB | 10.29B | 3.26BC | 13.29BC | 610.68ABC | |
T5 | 19.24A | 4.45A | 10.28B | 2.96CD | 12.17C | 666.06AB | |
T6 | 18.23A | 4.51A | 10.27B | 2.75D | 12.01C | 676.04A | |
CM | 18.01 | 4.36# | 10.62 | 3.81# | 14.54# | 554.04 | |
CL | 19.19# | 3.81 | 10.90 | 2.67 | 12.16 | 667.27# | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ** | ** | ns | ** | ** | ** | |
I×P | ns | ** | ns | ** | ns | ns |
表4 2019年不同处理下豆科作物的营养成分
Table 4 Nutritional composition of legumes under different treatments in 2019
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 18.12a | 3.58b | 11.10a | 4.65a | 16.05a | 494.26c |
T2 | 17.83a | 3.84b | 11.74a | 3.97b | 15.65a | 510.04c | |
T3 | 17.60a | 3.94b | 10.10a | 3.80b | 15.00ab | 532.96bc | |
T4 | 18.52a | 4.72a | 10.13a | 3.69b | 14.57abc | 549.23bc | |
T5 | 18.62a | 5.08a | 10.41a | 3.73b | 13.05bcd | 612.99abc | |
T6 | 17.40a | 5.00a | 10.24a | 2.99c | 12.89bcd | 624.75abc | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 18.75a | 3.69b | 11.84a | 2.61cd | 13.35bcd | 605.29abc |
T2 | 18.69a | 3.75b | 11.47a | 2.90c | 12.57cd | 641.18abc | |
T3 | 18.89a | 3.83b | 11.18a | 3.00c | 12.61cd | 638.57abc | |
T4 | 19.90a | 3.75b | 10.45a | 2.82c | 12.00d | 672.12ab | |
T5 | 19.85a | 3.81b | 10.14a | 2.18d | 11.28d | 719.13a | |
T6 | 19.05a | 4.02b | 10.29a | 2.51cd | 11.12d | 727.33a | |
平均值 Average | T1 | 18.44A | 3.64C | 11.47A | 3.63A | 14.70A | 549.77C |
T2 | 18.26A | 3.80C | 11.61A | 3.44AB | 14.11AB | 575.61BC | |
T3 | 18.24A | 3.89BC | 10.64AB | 3.40AB | 13.81AB | 585.77ABC | |
T4 | 19.21A | 4.24AB | 10.29B | 3.26BC | 13.29BC | 610.68ABC | |
T5 | 19.24A | 4.45A | 10.28B | 2.96CD | 12.17C | 666.06AB | |
T6 | 18.23A | 4.51A | 10.27B | 2.75D | 12.01C | 676.04A | |
CM | 18.01 | 4.36# | 10.62 | 3.81# | 14.54# | 554.04 | |
CL | 19.19# | 3.81 | 10.90 | 2.67 | 12.16 | 667.27# | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ** | ** | ns | ** | ** | ** | |
I×P | ns | ** | ns | ** | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 19.56b | 3.51d | 12.16ab | 4.54a | 16.37a | 485.04c |
T2 | 20.51ab | 3.86bcd | 11.42ab | 4.05ab | 15.46ab | 515.83bc | |
T3 | 20.31ab | 3.61d | 11.34ab | 3.88b | 15.50ab | 515.41bc | |
T4 | 21.26ab | 4.63ab | 10.70ab | 3.76bc | 14.86abcd | 538.11bc | |
T5 | 21.34ab | 4.94a | 10.36b | 3.30cde | 13.31bcd | 603.28abc | |
T6 | 21.01ab | 4.98a | 10.48ab | 3.50bcd | 13.15cd | 609.70abc | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 21.17ab | 3.46d | 12.32a | 3.08def | 13.62bcd | 590.91abc |
T2 | 21.90ab | 3.81cd | 11.74ab | 2.96def | 12.82cd | 628.28abc | |
T3 | 22.13ab | 4.04bcd | 11.54ab | 3.06def | 12.56cd | 640.65abc | |
T4 | 23.32a | 4.22abcd | 10.95ab | 2.88ef | 12.24d | 658.60ab | |
T5 | 22.82ab | 4.39abc | 10.28b | 2.22g | 11.41d | 710.93a | |
T6 | 22.93ab | 4.52abc | 10.31b | 2.56fg | 11.34d | 712.75a | |
平均值 Average | T1 | 20.36A | 3.49B | 12.24A | 3.81A | 14.99A | 537.97B |
T2 | 21.21A | 3.84B | 11.58AB | 3.50AB | 14.14AB | 572.06AB | |
T3 | 21.22A | 3.83B | 11.44ABC | 3.47AB | 14.03AB | 578.03AB | |
T4 | 22.29A | 4.42A | 10.83BCD | 3.32BC | 13.55BC | 598.36AB | |
T5 | 22.08A | 4.67A | 10.32D | 2.76D | 12.36C | 657.11A | |
T6 | 21.97A | 4.75A | 10.39CD | 3.03CD | 12.25C | 661.23A | |
CM | 20.66 | 4.25 | 11.08 | 3.84# | 14.78# | 544.56 | |
CL | 22.38# | 4.07 | 11.19 | 2.79 | 12.33 | 657.02# | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ** | ns | ns | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
表5 2020年不同处理下豆科作物的营养成分
Table 5 Nutritional composition of legumes under different treatments in 2020
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 19.56b | 3.51d | 12.16ab | 4.54a | 16.37a | 485.04c |
T2 | 20.51ab | 3.86bcd | 11.42ab | 4.05ab | 15.46ab | 515.83bc | |
T3 | 20.31ab | 3.61d | 11.34ab | 3.88b | 15.50ab | 515.41bc | |
T4 | 21.26ab | 4.63ab | 10.70ab | 3.76bc | 14.86abcd | 538.11bc | |
T5 | 21.34ab | 4.94a | 10.36b | 3.30cde | 13.31bcd | 603.28abc | |
T6 | 21.01ab | 4.98a | 10.48ab | 3.50bcd | 13.15cd | 609.70abc | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 21.17ab | 3.46d | 12.32a | 3.08def | 13.62bcd | 590.91abc |
T2 | 21.90ab | 3.81cd | 11.74ab | 2.96def | 12.82cd | 628.28abc | |
T3 | 22.13ab | 4.04bcd | 11.54ab | 3.06def | 12.56cd | 640.65abc | |
T4 | 23.32a | 4.22abcd | 10.95ab | 2.88ef | 12.24d | 658.60ab | |
T5 | 22.82ab | 4.39abc | 10.28b | 2.22g | 11.41d | 710.93a | |
T6 | 22.93ab | 4.52abc | 10.31b | 2.56fg | 11.34d | 712.75a | |
平均值 Average | T1 | 20.36A | 3.49B | 12.24A | 3.81A | 14.99A | 537.97B |
T2 | 21.21A | 3.84B | 11.58AB | 3.50AB | 14.14AB | 572.06AB | |
T3 | 21.22A | 3.83B | 11.44ABC | 3.47AB | 14.03AB | 578.03AB | |
T4 | 22.29A | 4.42A | 10.83BCD | 3.32BC | 13.55BC | 598.36AB | |
T5 | 22.08A | 4.67A | 10.32D | 2.76D | 12.36C | 657.11A | |
T6 | 21.97A | 4.75A | 10.39CD | 3.03CD | 12.25C | 661.23A | |
CM | 20.66 | 4.25 | 11.08 | 3.84# | 14.78# | 544.56 | |
CL | 22.38# | 4.07 | 11.19 | 2.79 | 12.33 | 657.02# | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ** | ns | ns | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 8.46b | 2.67e | 4.05fgh | 21.86a | 32.35a | 206.67a |
T2 | 8.47b | 3.29bcd | 3.91gh | 21.47a | 32.06a | 209.44a | |
T3 | 8.69ab | 3.30bcd | 4.65abcdef | 21.93a | 32.31a | 206.78a | |
T4 | 8.95ab | 3.41abcd | 4.20efgh | 21.19a | 31.82a | 211.61a | |
T5 | 9.14ab | 3.43abcd | 4.00fgh | 20.69a | 29.14a | 232.36a | |
T6 | 9.11ab | 3.50ab | 3.66h | 19.86a | 29.90a | 228.45a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 9.25ab | 2.86de | 4.84abcde | 19.18a | 29.10a | 236.43a |
T2 | 9.42ab | 3.27bcd | 5.09abc | 20.20a | 30.17a | 225.56a | |
T3 | 9.56ab | 3.55ab | 5.22ab | 19.87a | 29.58a | 230.93a | |
T4 | 9.79ab | 3.67ab | 4.58bcdefg | 19.03a | 28.46a | 242.15a | |
T5 | 9.81ab | 3.84ab | 4.37cdefg | 18.13a | 27.84a | 249.84a | |
T6 | 9.67ab | 3.93a | 4.24defgh | 18.46a | 27.80a | 249.34a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 9.58ab | 2.88cde | 5.05abc | 19.85a | 30.22a | 226.07a |
T2 | 9.61ab | 3.28bcd | 5.36ab | 20.15a | 28.20a | 241.47a | |
T3 | 9.92ab | 3.53ab | 5.41a | 19.80a | 28.23a | 242.13a | |
T4 | 9.85ab | 3.42abcd | 4.97abcd | 18.58a | 28.34a | 244.31a | |
T5 | 10.27a | 3.48abc | 4.64abcdef | 18.60a | 27.31a | 253.49a | |
T6 | 10.11ab | 3.47abc | 4.68abcdef | 18.11a | 27.07a | 257.03a | |
平均值Average | T1 | 9.10A | 2.80C | 4.62BC | 20.30A | 30.56A | 223.05A |
T2 | 9.17A | 3.28B | 4.76AB | 20.61A | 30.14A | 225.49A | |
T3 | 9.39A | 3.46AB | 5.07A | 20.53A | 30.04A | 226.61A | |
T4 | 9.53A | 3.50AB | 4.55BC | 19.60A | 29.54A | 232.69A | |
T5 | 9.74A | 3.59A | 4.31CD | 19.14A | 28.10A | 245.23A | |
T6 | 9.63A | 3.64A | 4.16D | 18.81A | 28.26A | 244.94A | |
C | 8.80B | 3.26B | 3.99C | 21.16A | 31.26A | 215.88B | |
CM | 9.58A | 3.52A | 4.72B | 19.14B | 28.83B | 239.04A | |
CL | 9.89A | 3.34B | 5.02A | 19.18B | 28.23B | 244.08A | |
显著性 Significance | I | ns | ** | ** | * | ns | ns |
P | ** | ** | ** | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
表6 2019年不同处理下群体的营养成分
Table 6 Total nutritional composition under different treatments in 2019
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 8.46b | 2.67e | 4.05fgh | 21.86a | 32.35a | 206.67a |
T2 | 8.47b | 3.29bcd | 3.91gh | 21.47a | 32.06a | 209.44a | |
T3 | 8.69ab | 3.30bcd | 4.65abcdef | 21.93a | 32.31a | 206.78a | |
T4 | 8.95ab | 3.41abcd | 4.20efgh | 21.19a | 31.82a | 211.61a | |
T5 | 9.14ab | 3.43abcd | 4.00fgh | 20.69a | 29.14a | 232.36a | |
T6 | 9.11ab | 3.50ab | 3.66h | 19.86a | 29.90a | 228.45a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 9.25ab | 2.86de | 4.84abcde | 19.18a | 29.10a | 236.43a |
T2 | 9.42ab | 3.27bcd | 5.09abc | 20.20a | 30.17a | 225.56a | |
T3 | 9.56ab | 3.55ab | 5.22ab | 19.87a | 29.58a | 230.93a | |
T4 | 9.79ab | 3.67ab | 4.58bcdefg | 19.03a | 28.46a | 242.15a | |
T5 | 9.81ab | 3.84ab | 4.37cdefg | 18.13a | 27.84a | 249.84a | |
T6 | 9.67ab | 3.93a | 4.24defgh | 18.46a | 27.80a | 249.34a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 9.58ab | 2.88cde | 5.05abc | 19.85a | 30.22a | 226.07a |
T2 | 9.61ab | 3.28bcd | 5.36ab | 20.15a | 28.20a | 241.47a | |
T3 | 9.92ab | 3.53ab | 5.41a | 19.80a | 28.23a | 242.13a | |
T4 | 9.85ab | 3.42abcd | 4.97abcd | 18.58a | 28.34a | 244.31a | |
T5 | 10.27a | 3.48abc | 4.64abcdef | 18.60a | 27.31a | 253.49a | |
T6 | 10.11ab | 3.47abc | 4.68abcdef | 18.11a | 27.07a | 257.03a | |
平均值Average | T1 | 9.10A | 2.80C | 4.62BC | 20.30A | 30.56A | 223.05A |
T2 | 9.17A | 3.28B | 4.76AB | 20.61A | 30.14A | 225.49A | |
T3 | 9.39A | 3.46AB | 5.07A | 20.53A | 30.04A | 226.61A | |
T4 | 9.53A | 3.50AB | 4.55BC | 19.60A | 29.54A | 232.69A | |
T5 | 9.74A | 3.59A | 4.31CD | 19.14A | 28.10A | 245.23A | |
T6 | 9.63A | 3.64A | 4.16D | 18.81A | 28.26A | 244.94A | |
C | 8.80B | 3.26B | 3.99C | 21.16A | 31.26A | 215.88B | |
CM | 9.58A | 3.52A | 4.72B | 19.14B | 28.83B | 239.04A | |
CL | 9.89A | 3.34B | 5.02A | 19.18B | 28.23B | 244.08A | |
显著性 Significance | I | ns | ** | ** | * | ns | ns |
P | ** | ** | ** | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 9.28c | 2.65e | 4.58bcdefg | 21.96a | 32.70a | 204.23a |
T2 | 9.59bc | 3.07bcde | 4.27fgh | 21.38a | 32.30a | 208.05a | |
T3 | 9.72abc | 3.21abcde | 4.38cdefgh | 21.85a | 32.53a | 205.52a | |
T4 | 9.90abc | 3.33abcd | 4.20fgh | 21.07a | 31.86a | 211.65a | |
T5 | 10.09abc | 3.27abcd | 3.92gh | 20.58a | 29.36a | 230.84a | |
T6 | 9.84abc | 3.29abcd | 3.75h | 19.76a | 29.13a | 234.76a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 9.91abc | 2.77cde | 5.09abcde | 20.50a | 30.82a | 220.12a |
T2 | 10.24abc | 3.12abcde | 5.16abc | 20.62a | 30.47a | 222.37a | |
T3 | 10.58abc | 3.37abc | 5.24ab | 20.24a | 30.16a | 225.52a | |
T4 | 10.39abc | 3.49ab | 4.69abcdefg | 19.48a | 29.09a | 235.78a | |
T5 | 11.02abc | 3.74a | 4.32efgh | 18.55a | 28.40a | 243.83a | |
T6 | 10.78abc | 3.72a | 4.33defgh | 18.89a | 28.38a | 243.14a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 10.44abc | 2.73de | 5.39a | 20.29a | 30.45a | 223.28a |
T2 | 10.48abc | 3.23abcde | 5.49a | 20.55a | 29.26a | 231.77a | |
T3 | 10.81abc | 3.36abc | 5.44a | 20.17a | 28.73a | 236.93a | |
T4 | 11.18abc | 3.44ab | 5.12abcd | 18.95a | 28.90a | 238.63a | |
T5 | 11.56a | 3.64ab | 4.74abcdef | 18.43a | 27.67a | 250.58a | |
T6 | 11.37ab | 3.68ab | 4.77abcdef | 18.48a | 27.62a | 250.93a | |
平均值Average | T1 | 9.88B | 2.72C | 5.02A | 20.92A | 31.32A | 215.88A |
T2 | 10.11AB | 3.14B | 4.97A | 20.85A | 30.68AB | 220.73A | |
T3 | 10.37AB | 3.31AB | 5.02A | 20.75AB | 30.48AB | 222.65A | |
T4 | 10.49AB | 3.42A | 4.67A | 19.83AB | 29.95AB | 228.69A | |
T5 | 10.89A | 3.55A | 4.32B | 19.18AB | 28.48B | 241.75A | |
T6 | 10.66AB | 3.56A | 4.28B | 19.04B | 28.38B | 242.94A | |
C | 9.74C | 3.14B | 4.18C | 21.10A | 31.31A | 215.84B | |
CM | 10.49B | 3.37A | 4.81B | 19.71B | 29.56B | 231.79A | |
CL | 10.97A | 3.35A | 5.16A | 19.48B | 28.77B | 238.69A | |
显著性 Significance | I | * | ** | ** | ** | ** | ns |
P | ** | ** | ** | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
表7 2020年不同处理下群体的营养成分
Table 7 Total nutritional composition under different treatments in 2020
种植模式 Planting modes | 灌溉方式 Irrigation modes | 粗蛋白 Crude protein (%) | 粗脂肪 Ether extract (%) | 粗灰分 Crude ash (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 相对饲用价值 Relative feeding value |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 9.28c | 2.65e | 4.58bcdefg | 21.96a | 32.70a | 204.23a |
T2 | 9.59bc | 3.07bcde | 4.27fgh | 21.38a | 32.30a | 208.05a | |
T3 | 9.72abc | 3.21abcde | 4.38cdefgh | 21.85a | 32.53a | 205.52a | |
T4 | 9.90abc | 3.33abcd | 4.20fgh | 21.07a | 31.86a | 211.65a | |
T5 | 10.09abc | 3.27abcd | 3.92gh | 20.58a | 29.36a | 230.84a | |
T6 | 9.84abc | 3.29abcd | 3.75h | 19.76a | 29.13a | 234.76a | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 9.91abc | 2.77cde | 5.09abcde | 20.50a | 30.82a | 220.12a |
T2 | 10.24abc | 3.12abcde | 5.16abc | 20.62a | 30.47a | 222.37a | |
T3 | 10.58abc | 3.37abc | 5.24ab | 20.24a | 30.16a | 225.52a | |
T4 | 10.39abc | 3.49ab | 4.69abcdefg | 19.48a | 29.09a | 235.78a | |
T5 | 11.02abc | 3.74a | 4.32efgh | 18.55a | 28.40a | 243.83a | |
T6 | 10.78abc | 3.72a | 4.33defgh | 18.89a | 28.38a | 243.14a | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 10.44abc | 2.73de | 5.39a | 20.29a | 30.45a | 223.28a |
T2 | 10.48abc | 3.23abcde | 5.49a | 20.55a | 29.26a | 231.77a | |
T3 | 10.81abc | 3.36abc | 5.44a | 20.17a | 28.73a | 236.93a | |
T4 | 11.18abc | 3.44ab | 5.12abcd | 18.95a | 28.90a | 238.63a | |
T5 | 11.56a | 3.64ab | 4.74abcdef | 18.43a | 27.67a | 250.58a | |
T6 | 11.37ab | 3.68ab | 4.77abcdef | 18.48a | 27.62a | 250.93a | |
平均值Average | T1 | 9.88B | 2.72C | 5.02A | 20.92A | 31.32A | 215.88A |
T2 | 10.11AB | 3.14B | 4.97A | 20.85A | 30.68AB | 220.73A | |
T3 | 10.37AB | 3.31AB | 5.02A | 20.75AB | 30.48AB | 222.65A | |
T4 | 10.49AB | 3.42A | 4.67A | 19.83AB | 29.95AB | 228.69A | |
T5 | 10.89A | 3.55A | 4.32B | 19.18AB | 28.48B | 241.75A | |
T6 | 10.66AB | 3.56A | 4.28B | 19.04B | 28.38B | 242.94A | |
C | 9.74C | 3.14B | 4.18C | 21.10A | 31.31A | 215.84B | |
CM | 10.49B | 3.37A | 4.81B | 19.71B | 29.56B | 231.79A | |
CL | 10.97A | 3.35A | 5.16A | 19.48B | 28.77B | 238.69A | |
显著性 Significance | I | * | ** | ** | ** | ** | ns |
P | ** | ** | ** | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 播前贮水量 Water storage before sowing (mm) | 收获期贮水量 Water storage at harvesting (mm) | 蒸散量 Evapotranspiration (mm) | 降水利用效率 Precipitation use efficiency (kg·hm-2·mm-1) | 水分利用效率 Water use efficiency (kg·hm-2·mm-1) | 灌水相对生产效率 Irrigation productive efficiency (kg·hm-2·mm-1) |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 434.56a | 290.04ef | 433.62e | 172.90f | 55.46ab | |
T2 | 422.20a | 343.29abcde | 521.00e | 202.00def | 53.93abc | 26.99bcd | |
T3 | 429.58a | 339.28abcdef | 529.40de | 206.41cdef | 54.24abc | 31.08ab | |
T4 | 439.21a | 372.12abcd | 656.19bc | 232.62abcd | 49.31abcd | 27.69bc | |
T5 | 422.99a | 376.95abcd | 635.14bcd | 245.43abc | 53.75abc | 33.63a | |
T6 | 429.86a | 389.03abc | 779.93a | 245.87abc | 43.85d | 22.56cd | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 439.96a | 284.05ef | 445.01e | 182.38ef | 57.01ab | |
T2 | 434.27a | 333.46bcdef | 539.91de | 217.84bcde | 56.12ab | 30.71ab | |
T3 | 431.71a | 323.79def | 547.03cde | 220.67bcde | 56.11ab | 31.91ab | |
T4 | 436.12a | 359.20abcd | 666.02b | 247.16abc | 51.62abcd | 27.24bcd | |
T5 | 428.81a | 375.72abcd | 642.20bcd | 260.40ab | 56.40ab | 32.42ab | |
T6 | 439.90a | 392.21ab | 786.79a | 261.47ab | 46.23cd | 22.09d | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 438.00a | 281.30f | 445.80e | 183.38ef | 57.22ab | |
T2 | 431.08a | 329.57cdef | 540.61de | 224.58bcd | 57.79a | 34.85a | |
T3 | 432.45a | 325.39cdef | 546.15cde | 226.49abcd | 57.68a | 35.35a | |
T4 | 422.19a | 366.13abcd | 645.16bcd | 257.67ab | 55.56ab | 30.53ab | |
T5 | 427.10a | 377.87abcd | 638.33bcd | 268.36a | 58.48a | 34.38a | |
T6 | 435.38a | 396.13a | 778.35a | 268.43a | 47.97bcd | 23.05cd | |
平均值 Average | T1 | 437.51A | 285.13C | 441.47D | 179.55C | 56.56A | |
T2 | 429.18A | 334.44B | 533.84C | 214.81B | 55.95A | 30.85B | |
T3 | 431.25A | 329.49B | 540.86C | 217.86B | 56.01A | 32.78AB | |
T4 | 432.51A | 365.82A | 655.79B | 245.82A | 52.16A | 28.49C | |
T5 | 426.30A | 376.85A | 638.56B | 258.06A | 56.21A | 33.48A | |
T6 | 435.05A | 392.46A | 781.69A | 258.59A | 46.02B | 22.57D | |
C | 429.73A | 351.29A | 592.55A | 217.54B | 51.76B | 28.39B | |
CM | 435.13A | 344.74A | 604.49A | 231.65A | 53.92AB | 28.88B | |
CL | 431.03A | 346.07A | 599.07A | 238.15A | 55.78A | 31.63A | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ns | ns | ns | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
表8 2019年不同处理下饲草的水分利用特征
Table 8 Water use characteristics of forage grass under different treatments in 2019
种植模式 Planting modes | 灌溉方式 Irrigation modes | 播前贮水量 Water storage before sowing (mm) | 收获期贮水量 Water storage at harvesting (mm) | 蒸散量 Evapotranspiration (mm) | 降水利用效率 Precipitation use efficiency (kg·hm-2·mm-1) | 水分利用效率 Water use efficiency (kg·hm-2·mm-1) | 灌水相对生产效率 Irrigation productive efficiency (kg·hm-2·mm-1) |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 434.56a | 290.04ef | 433.62e | 172.90f | 55.46ab | |
T2 | 422.20a | 343.29abcde | 521.00e | 202.00def | 53.93abc | 26.99bcd | |
T3 | 429.58a | 339.28abcdef | 529.40de | 206.41cdef | 54.24abc | 31.08ab | |
T4 | 439.21a | 372.12abcd | 656.19bc | 232.62abcd | 49.31abcd | 27.69bc | |
T5 | 422.99a | 376.95abcd | 635.14bcd | 245.43abc | 53.75abc | 33.63a | |
T6 | 429.86a | 389.03abc | 779.93a | 245.87abc | 43.85d | 22.56cd | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 439.96a | 284.05ef | 445.01e | 182.38ef | 57.01ab | |
T2 | 434.27a | 333.46bcdef | 539.91de | 217.84bcde | 56.12ab | 30.71ab | |
T3 | 431.71a | 323.79def | 547.03cde | 220.67bcde | 56.11ab | 31.91ab | |
T4 | 436.12a | 359.20abcd | 666.02b | 247.16abc | 51.62abcd | 27.24bcd | |
T5 | 428.81a | 375.72abcd | 642.20bcd | 260.40ab | 56.40ab | 32.42ab | |
T6 | 439.90a | 392.21ab | 786.79a | 261.47ab | 46.23cd | 22.09d | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 438.00a | 281.30f | 445.80e | 183.38ef | 57.22ab | |
T2 | 431.08a | 329.57cdef | 540.61de | 224.58bcd | 57.79a | 34.85a | |
T3 | 432.45a | 325.39cdef | 546.15cde | 226.49abcd | 57.68a | 35.35a | |
T4 | 422.19a | 366.13abcd | 645.16bcd | 257.67ab | 55.56ab | 30.53ab | |
T5 | 427.10a | 377.87abcd | 638.33bcd | 268.36a | 58.48a | 34.38a | |
T6 | 435.38a | 396.13a | 778.35a | 268.43a | 47.97bcd | 23.05cd | |
平均值 Average | T1 | 437.51A | 285.13C | 441.47D | 179.55C | 56.56A | |
T2 | 429.18A | 334.44B | 533.84C | 214.81B | 55.95A | 30.85B | |
T3 | 431.25A | 329.49B | 540.86C | 217.86B | 56.01A | 32.78AB | |
T4 | 432.51A | 365.82A | 655.79B | 245.82A | 52.16A | 28.49C | |
T5 | 426.30A | 376.85A | 638.56B | 258.06A | 56.21A | 33.48A | |
T6 | 435.05A | 392.46A | 781.69A | 258.59A | 46.02B | 22.57D | |
C | 429.73A | 351.29A | 592.55A | 217.54B | 51.76B | 28.39B | |
CM | 435.13A | 344.74A | 604.49A | 231.65A | 53.92AB | 28.88B | |
CL | 431.03A | 346.07A | 599.07A | 238.15A | 55.78A | 31.63A | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ns | ns | ns | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ns |
种植模式 Planting modes | 灌溉方式 Irrigation modes | 播前贮水量 Water storage before sowing (mm) | 收获期贮水量 Water storage at harvesting (mm) | 蒸散量 Evapotranspiration (mm) | 降水利用效率 Precipitation use efficiency (kg·hm-2·mm-1) | 水分利用效率 Water use efficiency (kg·hm-2·mm-1) | 灌水相对生产效率 Irrigation productive efficiency (kg·hm-2·mm-1) |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 352.08a | 254.47f | 365.01d | 170.44i | 54.82abc | |
T2 | 349.86a | 342.91abcde | 424.34d | 197.78fghi | 54.72abc | 21.40e | |
T3 | 358.15a | 328.16bcde | 447.38cd | 211.52efgh | 55.51ab | 32.15abcd | |
T4 | 345.92a | 366.94abcde | 546.38bc | 241.10bcde | 51.80abc | 27.65d | |
T5 | 345.23a | 386.24abc | 526.40bc | 253.83abcde | 56.61ab | 32.63abcd | |
T6 | 350.90a | 397.67a | 670.63a | 258.09abcd | 45.18c | 22.87e | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 358.53a | 255.71f | 370.22d | 182.58hi | 57.90ab | |
T2 | 356.40a | 321.03cde | 452.77cd | 225.74cdefg | 58.53ab | 31.38bcd | |
T3 | 358.11a | 325.36cde | 450.15cd | 223.33defgh | 58.25ab | 28.27cd | |
T4 | 352.88a | 361.03abcde | 559.26b | 267.96abc | 56.25ab | 30.73bcd | |
T5 | 350.19a | 381.88abcd | 535.70bc | 275.79ab | 60.44a | 33.33abc | |
T6 | 353.83a | 392.72ab | 678.52a | 278.52ab | 48.19bc | 22.72e | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 364.19a | 253.68f | 377.91d | 187.34ghi | 58.20ab | |
T2 | 363.64a | 318.09de | 462.96bcd | 239.16bcdef | 60.65a | 37.00a | |
T3 | 360.09a | 311.74ef | 465.75bcd | 237.43bcdef | 59.85a | 34.51ab | |
T4 | 355.99a | 364.29abcde | 559.11b | 273.52ab | 57.43ab | 29.93bcd | |
T5 | 357.19a | 380.03abcd | 544.56bc | 284.36a | 61.30a | 33.30abc | |
T6 | 361.47a | 395.68a | 683.19a | 285.77a | 49.11bc | 22.62e | |
平均值 Average | T1 | 358.27A | 254.62D | 371.05D | 180.12C | 56.97A | |
T2 | 356.63A | 327.34C | 446.69C | 220.89B | 57.97A | 29.93B | |
T3 | 358.78A | 321.75C | 454.43C | 224.09B | 57.87A | 31.64AB | |
T4 | 351.60A | 364.08B | 554.92B | 260.86A | 55.16A | 29.44B | |
T5 | 350.87A | 382.72AB | 535.55B | 271.33A | 59.45A | 33.09A | |
T6 | 355.40A | 395.36A | 677.45A | 274.13A | 47.49B | 22.74C | |
C | 350.36A | 346.07A | 496.69A | 222.13B | 53.11B | 27.34C | |
CM | 354.99A | 339.62A | 507.77A | 242.32A | 56.59A | 29.29B | |
CL | 360.43A | 337.25A | 515.58A | 251.26A | 57.76A | 31.47A | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ns | ns | ns | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ** |
表9 2020年不同处理下饲草的水分利用特征
Table 9 Water use characteristics of forage grass under different treatments in 2020
种植模式 Planting modes | 灌溉方式 Irrigation modes | 播前贮水量 Water storage before sowing (mm) | 收获期贮水量 Water storage at harvesting (mm) | 蒸散量 Evapotranspiration (mm) | 降水利用效率 Precipitation use efficiency (kg·hm-2·mm-1) | 水分利用效率 Water use efficiency (kg·hm-2·mm-1) | 灌水相对生产效率 Irrigation productive efficiency (kg·hm-2·mm-1) |
---|---|---|---|---|---|---|---|
玉米单作 Corn monocropping (C) | T1 | 352.08a | 254.47f | 365.01d | 170.44i | 54.82abc | |
T2 | 349.86a | 342.91abcde | 424.34d | 197.78fghi | 54.72abc | 21.40e | |
T3 | 358.15a | 328.16bcde | 447.38cd | 211.52efgh | 55.51ab | 32.15abcd | |
T4 | 345.92a | 366.94abcde | 546.38bc | 241.10bcde | 51.80abc | 27.65d | |
T5 | 345.23a | 386.24abc | 526.40bc | 253.83abcde | 56.61ab | 32.63abcd | |
T6 | 350.90a | 397.67a | 670.63a | 258.09abcd | 45.18c | 22.87e | |
玉米-秣食豆间作 Corn-forage soybean intercropping (CM) | T1 | 358.53a | 255.71f | 370.22d | 182.58hi | 57.90ab | |
T2 | 356.40a | 321.03cde | 452.77cd | 225.74cdefg | 58.53ab | 31.38bcd | |
T3 | 358.11a | 325.36cde | 450.15cd | 223.33defgh | 58.25ab | 28.27cd | |
T4 | 352.88a | 361.03abcde | 559.26b | 267.96abc | 56.25ab | 30.73bcd | |
T5 | 350.19a | 381.88abcd | 535.70bc | 275.79ab | 60.44a | 33.33abc | |
T6 | 353.83a | 392.72ab | 678.52a | 278.52ab | 48.19bc | 22.72e | |
玉米-拉巴豆间作 Corn-laba bean intercropping (CL) | T1 | 364.19a | 253.68f | 377.91d | 187.34ghi | 58.20ab | |
T2 | 363.64a | 318.09de | 462.96bcd | 239.16bcdef | 60.65a | 37.00a | |
T3 | 360.09a | 311.74ef | 465.75bcd | 237.43bcdef | 59.85a | 34.51ab | |
T4 | 355.99a | 364.29abcde | 559.11b | 273.52ab | 57.43ab | 29.93bcd | |
T5 | 357.19a | 380.03abcd | 544.56bc | 284.36a | 61.30a | 33.30abc | |
T6 | 361.47a | 395.68a | 683.19a | 285.77a | 49.11bc | 22.62e | |
平均值 Average | T1 | 358.27A | 254.62D | 371.05D | 180.12C | 56.97A | |
T2 | 356.63A | 327.34C | 446.69C | 220.89B | 57.97A | 29.93B | |
T3 | 358.78A | 321.75C | 454.43C | 224.09B | 57.87A | 31.64AB | |
T4 | 351.60A | 364.08B | 554.92B | 260.86A | 55.16A | 29.44B | |
T5 | 350.87A | 382.72AB | 535.55B | 271.33A | 59.45A | 33.09A | |
T6 | 355.40A | 395.36A | 677.45A | 274.13A | 47.49B | 22.74C | |
C | 350.36A | 346.07A | 496.69A | 222.13B | 53.11B | 27.34C | |
CM | 354.99A | 339.62A | 507.77A | 242.32A | 56.59A | 29.29B | |
CL | 360.43A | 337.25A | 515.58A | 251.26A | 57.76A | 31.47A | |
显著性 Significance | I | ns | ** | ** | ** | ** | ** |
P | ns | ns | ns | ** | ** | ** | |
I×P | ns | ns | ns | ns | ns | ** |
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