草业学报 ›› 2022, Vol. 31 ›› Issue (5): 61-75.DOI: 10.11686/cyxb2021109
李满有1(), 李东宁2, 王斌1, 李小云1, 沈笑天1, 曹立娟1, 倪旺1, 王腾飞1, 兰剑1,3()
收稿日期:
2021-03-23
修回日期:
2021-04-26
出版日期:
2022-05-20
发布日期:
2022-03-30
通讯作者:
兰剑
作者简介:
Corresponding author. E-mail: ndlanjian@163.com基金资助:
Man-you LI1(), Dong-ning LI2, Bin WANG1, Xiao-yun LI1, Xiao-tian SHEN1, Li-juan CAO1, Wang NI1, Teng-fei WANG1, Jian LAN1,3()
Received:
2021-03-23
Revised:
2021-04-26
Online:
2022-05-20
Published:
2022-03-30
Contact:
Jian LAN
摘要:
以紫花苜蓿品种‘巨能7’、‘三得利’为供试材料,采用混播方式(‘巨能7’单播,‘巨能7’与‘三得利’同行混播,‘巨能7’与‘三得利’间行混播)和播种量(13.5、18.0、22.5 kg·hm-2)二因素随机区组设计,探究了干旱地区滴灌条件下混播方式和播种量对2017-2019年紫花苜蓿产量及品质的影响,并利用主成分分析方法(principal component analysis, PCA)进行综合评价,以期得到紫花苜蓿适宜混播方式和播种量。结果表明,混播方式和播种量对2017-2019年苜蓿平均株高、一级分枝数、干草产量、粗灰分、中性洗涤纤维含量和相对饲喂价值影响显著(P<0.05),而对鲜干比、叶茎比、酸性洗涤纤维和粗蛋白含量影响不显著。其中,‘巨能7’与‘三得利’同行混播、播种量为18.0 kg·hm-2时苜蓿干草产量显著高于间行混播、播种量为22.5 kg·hm-2组合,高达16.79 t·hm-2;‘巨能7’与‘三得利’同行混播、播种量为18.0 kg·hm-2时苜蓿相对饲喂价值为156.87,仅次于同行混播、播种量为13.5 kg·hm-2组合。经PCA综合分析,‘巨能7’与‘三得利’同行混播、播种量为18.0 kg·hm-2时苜蓿综合表现最好,可在宁夏引黄灌区推广应用。
李满有, 李东宁, 王斌, 李小云, 沈笑天, 曹立娟, 倪旺, 王腾飞, 兰剑. 不同苜蓿品种混播和播种量对牧草产量及品质的影响[J]. 草业学报, 2022, 31(5): 61-75.
Man-you LI, Dong-ning LI, Bin WANG, Xiao-yun LI, Xiao-tian SHEN, Li-juan CAO, Wang NI, Teng-fei WANG, Jian LAN. The effect of mixed sowing and sowing rate of different alfalfa varieties on the yield and quality of forage[J]. Acta Prataculturae Sinica, 2022, 31(5): 61-75.
混播方式 Mixed mode | 播种量Sowing amount (kg·hm-2) | ||
---|---|---|---|
13.5 (B1) | 18.0 (B2) | 22.5 (B3) | |
A1 (‘巨能7’单播‘Magnum Ⅶ’ unicast) | A1B1 | A1B2 | A1B3 |
A2 (‘巨能7’与‘三得利’同行混播‘Magnum Ⅶ’ and ‘Sanditi’ peer mixed) | A2B1 | A2B2 | A2B3 |
A3 (‘巨能7’与‘三得利’间行混播‘Magnum Ⅶ’ and ‘Sanditi’ interline mixed) | A3B1 | A3B2 | A3B3 |
表1 试验设计
Table 1 Experiment design
混播方式 Mixed mode | 播种量Sowing amount (kg·hm-2) | ||
---|---|---|---|
13.5 (B1) | 18.0 (B2) | 22.5 (B3) | |
A1 (‘巨能7’单播‘Magnum Ⅶ’ unicast) | A1B1 | A1B2 | A1B3 |
A2 (‘巨能7’与‘三得利’同行混播‘Magnum Ⅶ’ and ‘Sanditi’ peer mixed) | A2B1 | A2B2 | A2B3 |
A3 (‘巨能7’与‘三得利’间行混播‘Magnum Ⅶ’ and ‘Sanditi’ interline mixed) | A3B1 | A3B2 | A3B3 |
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 株高 Plant height (cm) | 一级分枝数 Number of first-level branches (pieces·m-1) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 73.31±2.33a | 73.58±3.14a | 71.21±0.27b | 85±1.52b | 109±1.45b | 143±6.10a |
B2 | 72.70±1.23a | 77.10±3.80a | 77.19±1.34a | 112±2.44a | 132±6.35a | 144±3.45a | |
B3 | 73.76±0.89a | 77.93±4.60a | 73.77±2.28ab | 102±1.23ab | 102±1.23b | 105±6.57b | |
A2 | B1 | 82.04±1.58a | 78.25±3.74a | 76.37±0.49a | 100±3.95a | 104±3.25b | 164±8.14ab |
B2 | 81.31±1.25a | 78.88±3.83a | 78.42±0.45a | 99±2.17a | 129±1.56a | 175±2.47a | |
B3 | 80.34±1.20a | 78.25±3.02a | 81.33±7.57a | 103±1.47a | 117±4.25ab | 158±7.12b | |
A3 | B1 | 77.36±0.33a | 77.25±2.74a | 79.05±0.50a | 87±1.64b | 96±4.98b | 139±4.36a |
B2 | 80.74±0.88a | 76.68±4.53a | 79.60±0.60a | 102±1.45a | 109±2.39a | 131±2.28a | |
B3 | 76.06±1.00a | 78.55±3.79a | 76.28±1.38a | 104±1.42a | 105±3.33a | 112±3.18b |
表2 混播方式和播种量对苜蓿株高、一级分枝数的影响
Table 2 The influence of mixed mode and sowing amount on alfalfa plant height and the number of first-level branches
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 株高 Plant height (cm) | 一级分枝数 Number of first-level branches (pieces·m-1) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 73.31±2.33a | 73.58±3.14a | 71.21±0.27b | 85±1.52b | 109±1.45b | 143±6.10a |
B2 | 72.70±1.23a | 77.10±3.80a | 77.19±1.34a | 112±2.44a | 132±6.35a | 144±3.45a | |
B3 | 73.76±0.89a | 77.93±4.60a | 73.77±2.28ab | 102±1.23ab | 102±1.23b | 105±6.57b | |
A2 | B1 | 82.04±1.58a | 78.25±3.74a | 76.37±0.49a | 100±3.95a | 104±3.25b | 164±8.14ab |
B2 | 81.31±1.25a | 78.88±3.83a | 78.42±0.45a | 99±2.17a | 129±1.56a | 175±2.47a | |
B3 | 80.34±1.20a | 78.25±3.02a | 81.33±7.57a | 103±1.47a | 117±4.25ab | 158±7.12b | |
A3 | B1 | 77.36±0.33a | 77.25±2.74a | 79.05±0.50a | 87±1.64b | 96±4.98b | 139±4.36a |
B2 | 80.74±0.88a | 76.68±4.53a | 79.60±0.60a | 102±1.45a | 109±2.39a | 131±2.28a | |
B3 | 76.06±1.00a | 78.55±3.79a | 76.28±1.38a | 104±1.42a | 105±3.33a | 112±3.18b |
项目 Item | 处理 Treatment | 株高Plant height (cm) | 一级分枝数Number of primary branches (pieces·m-1) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 73.26b | 76.14a | 74.52a | 97.07a | 106.40a | 115.18b |
A2 | 81.23a | 78.46a | 78.71a | 100.67a | 116.67a | 165.67a | |
A3 | 78.05ab | 77.49a | 78.31a | 97.67a | 103.33a | 127.33b | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 77.57a | 76.30a | 76.01a | 88.07b | 95.07b | 133.18a |
B2 | 78.25a | 77.55a | 78.40a | 104.33a | 123.33a | 150.00a | |
B3 | 76.72a | 78.24a | 77.13a | 103.00a | 108.00ab | 125.00a | |
P值 P value | A | 0.012* | 0.244 | 0.392 | 0.820 | 0.330 | 0.024* |
B | 0.554 | 0.337 | 0.774 | 0.034* | 0.022* | 0.351 | |
A×B | 0.962 | 0.971 | 0.857 | 0.241 | 0.629 | 0.748 |
表3 混播方式和播种量互作对苜蓿株高、一级分枝数的影响
Table 3 The effect of mixed mode and sowing amount on alfalfa plant height and primary branch number
项目 Item | 处理 Treatment | 株高Plant height (cm) | 一级分枝数Number of primary branches (pieces·m-1) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 73.26b | 76.14a | 74.52a | 97.07a | 106.40a | 115.18b |
A2 | 81.23a | 78.46a | 78.71a | 100.67a | 116.67a | 165.67a | |
A3 | 78.05ab | 77.49a | 78.31a | 97.67a | 103.33a | 127.33b | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 77.57a | 76.30a | 76.01a | 88.07b | 95.07b | 133.18a |
B2 | 78.25a | 77.55a | 78.40a | 104.33a | 123.33a | 150.00a | |
B3 | 76.72a | 78.24a | 77.13a | 103.00a | 108.00ab | 125.00a | |
P值 P value | A | 0.012* | 0.244 | 0.392 | 0.820 | 0.330 | 0.024* |
B | 0.554 | 0.337 | 0.774 | 0.034* | 0.022* | 0.351 | |
A×B | 0.962 | 0.971 | 0.857 | 0.241 | 0.629 | 0.748 |
图1 混播方式和播种量对苜蓿3年株高、一级分枝数均值的影响不同小写字母表示不同处理间差异显著,下同。Different lowercase letters indicate significant differences among different treatments, the same below.
Fig.1 The effect of mixed mode and sowing amount on the average value of three-year alfalfa plant height and the number of primary branches
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 叶茎比Leaf-stem ratio | 鲜干比Fresh-dry ratio | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 0.83±0.12a | 0.63±0.54ab | 0.79±0.09a | 2.94±0.50a | 4.36±0.41a | 4.31±0.28a |
B2 | 0.87±0.29a | 0.56±0.62b | 0.83±0.24a | 3.21±0.88a | 4.30±0.69a | 4.17±0.56a | |
B3 | 0.72±0.34b | 0.66±0.47a | 0.86±0.15a | 3.23±0.86a | 4.22±0.21a | 4.16±0.66a | |
A2 | B1 | 0.78±0.32a | 0.71±0.41a | 0.81±0.39a | 2.63±0.24a | 4.28±0.65ab | 4.44±0.50a |
B2 | 0.72±0.13a | 0.70±0.28a | 0.81±0.11a | 2.80±0.14a | 4.72±0.44a | 4.23±0.49a | |
B3 | 0.72±0.30a | 0.70±0.42a | 0.86±0.35a | 2.88±0.19a | 4.12±0.76b | 4.07±0.65a | |
A3 | B1 | 0.83±0.18a | 0.65±0.75a | 0.82±0.13a | 2.97±0.59a | 4.55±0.51a | 4.17±0.44a |
B2 | 0.81±0.09a | 0.70±0.37a | 0.83±0.20a | 3.10±0.62a | 4.34±0.24a | 4.34±0.83a | |
B3 | 0.80±0.13a | 0.69±0.39a | 0.90±0.06a | 2.89±0.26a | 4.32±0.30a | 4.21±0.71a |
表4 混播方式和播种量对苜蓿叶茎比、鲜干比的影响
Table 4 The effect of mixed mode and sowing amount on alfalfa leaf-stem ratio and fresh-dry ratio
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 叶茎比Leaf-stem ratio | 鲜干比Fresh-dry ratio | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 0.83±0.12a | 0.63±0.54ab | 0.79±0.09a | 2.94±0.50a | 4.36±0.41a | 4.31±0.28a |
B2 | 0.87±0.29a | 0.56±0.62b | 0.83±0.24a | 3.21±0.88a | 4.30±0.69a | 4.17±0.56a | |
B3 | 0.72±0.34b | 0.66±0.47a | 0.86±0.15a | 3.23±0.86a | 4.22±0.21a | 4.16±0.66a | |
A2 | B1 | 0.78±0.32a | 0.71±0.41a | 0.81±0.39a | 2.63±0.24a | 4.28±0.65ab | 4.44±0.50a |
B2 | 0.72±0.13a | 0.70±0.28a | 0.81±0.11a | 2.80±0.14a | 4.72±0.44a | 4.23±0.49a | |
B3 | 0.72±0.30a | 0.70±0.42a | 0.86±0.35a | 2.88±0.19a | 4.12±0.76b | 4.07±0.65a | |
A3 | B1 | 0.83±0.18a | 0.65±0.75a | 0.82±0.13a | 2.97±0.59a | 4.55±0.51a | 4.17±0.44a |
B2 | 0.81±0.09a | 0.70±0.37a | 0.83±0.20a | 3.10±0.62a | 4.34±0.24a | 4.34±0.83a | |
B3 | 0.80±0.13a | 0.69±0.39a | 0.90±0.06a | 2.89±0.26a | 4.32±0.30a | 4.21±0.71a |
项目 Item | 处理 Treatment | 叶茎比 Leaf-stem ratio | 鲜干比 Fresh-dry ratio | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 0.81a | 0.62a | 0.83a | 3.13ab | 4.29a | 4.21a |
A2 | 0.74a | 0.70a | 0.83a | 2.77b | 4.37a | 4.25a | |
A3 | 0.81a | 0.77a | 0.93a | 3.34a | 4.40a | 4.24a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 0.81a | 0.66a | 0.81a | 2.85a | 4.40a | 4.31a |
B2 | 0.80a | 0.65a | 0.81a | 3.04a | 4.45a | 4.25a | |
B3 | 0.75a | 0.78a | 0.97a | 3.36a | 4.22a | 4.15a | |
P值 P value | A | 0.100 | 0.182 | 0.476 | 0.023* | 0.893 | 0.982 |
B | 0.166 | 0.267 | 0.166 | 0.154 | 0.604 | 0.689 | |
A×B | 0.433 | 0.473 | 0.448 | 0.603 | 0.785 | 0.880 |
表5 混播方式和播种量互作对苜蓿叶茎比、鲜干比的影响
Table 5 The effect of the interaction of mixed mode and sowing amount on alfalfa leaf stem-ratio and fresh-dry ratio
项目 Item | 处理 Treatment | 叶茎比 Leaf-stem ratio | 鲜干比 Fresh-dry ratio | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 0.81a | 0.62a | 0.83a | 3.13ab | 4.29a | 4.21a |
A2 | 0.74a | 0.70a | 0.83a | 2.77b | 4.37a | 4.25a | |
A3 | 0.81a | 0.77a | 0.93a | 3.34a | 4.40a | 4.24a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 0.81a | 0.66a | 0.81a | 2.85a | 4.40a | 4.31a |
B2 | 0.80a | 0.65a | 0.81a | 3.04a | 4.45a | 4.25a | |
B3 | 0.75a | 0.78a | 0.97a | 3.36a | 4.22a | 4.15a | |
P值 P value | A | 0.100 | 0.182 | 0.476 | 0.023* | 0.893 | 0.982 |
B | 0.166 | 0.267 | 0.166 | 0.154 | 0.604 | 0.689 | |
A×B | 0.433 | 0.473 | 0.448 | 0.603 | 0.785 | 0.880 |
图2 混播方式和播种量对苜蓿3年叶茎比、鲜干比均值的影响
Fig.2 Effect of mixed mode and sowing amount on the average value of leaf-stem ratio and fresh-dry ratio of alfalfa in 3 years
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 干草产量Hay yield (t·hm-2) | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
A1 | B1 | 15.60±0.50a | 16.58±0.56a | 14.44±0.31a |
B2 | 15.40±0.66a | 16.85±1.00a | 14.85±0.52a | |
B3 | 16.40±0.53a | 16.39±0.64a | 14.23±0.47a | |
A2 | B1 | 16.40±0.52a | 15.89±0.93a | 15.82±0.28a |
B2 | 16.50±0.95a | 16.67±0.32a | 16.20±0.22a | |
B3 | 16.50±1.17a | 16.28±1.20a | 15.24±0.18a | |
A3 | B1 | 13.80±0.58b | 15.22±1.25b | 15.45±0.23a |
B2 | 16.30±1.13a | 17.38±1.02a | 15.56±0.56a | |
B3 | 13.30±1.10b | 15.12±0.58b | 12.98±0.61b |
表6 混播方式和播种量对苜蓿干草产量的影响
Table 6 The effect of mixed mode and sowing amount on alfalfa hay yield
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 干草产量Hay yield (t·hm-2) | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
A1 | B1 | 15.60±0.50a | 16.58±0.56a | 14.44±0.31a |
B2 | 15.40±0.66a | 16.85±1.00a | 14.85±0.52a | |
B3 | 16.40±0.53a | 16.39±0.64a | 14.23±0.47a | |
A2 | B1 | 16.40±0.52a | 15.89±0.93a | 15.82±0.28a |
B2 | 16.50±0.95a | 16.67±0.32a | 16.20±0.22a | |
B3 | 16.50±1.17a | 16.28±1.20a | 15.24±0.18a | |
A3 | B1 | 13.80±0.58b | 15.22±1.25b | 15.45±0.23a |
B2 | 16.30±1.13a | 17.38±1.02a | 15.56±0.56a | |
B3 | 13.30±1.10b | 15.12±0.58b | 12.98±0.61b |
项目 Item | 处理 Treatment | 干草产量Hay yield (t·hm-2) | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 15.80a | 16.61a | 14.51a |
A2 | 16.13a | 16.28a | 15.42a | |
A3 | 14.47b | 15.91a | 14.60a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 15.27a | 15.90a | 15.24a |
B2 | 15.73a | 16.97a | 15.14a | |
B3 | 15.40a | 15.93a | 14.15a | |
P值 P value | A | 0.001** | 0.409 | 0.235 |
B | 0.442 | 0.087 | 0.135 | |
A×B | 0.001** | 0.471 | 0.366 |
表7 混播方式和播种量互作对苜蓿干草产量的影响
Table 7 Interaction of mixed mode and sowing amount on the yield of alfalfa hay yield
项目 Item | 处理 Treatment | 干草产量Hay yield (t·hm-2) | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 15.80a | 16.61a | 14.51a |
A2 | 16.13a | 16.28a | 15.42a | |
A3 | 14.47b | 15.91a | 14.60a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 15.27a | 15.90a | 15.24a |
B2 | 15.73a | 16.97a | 15.14a | |
B3 | 15.40a | 15.93a | 14.15a | |
P值 P value | A | 0.001** | 0.409 | 0.235 |
B | 0.442 | 0.087 | 0.135 | |
A×B | 0.001** | 0.471 | 0.366 |
混播方式Mixed mode | 播种量 Sowing amount (kg·hm-2) | 粗灰分含量Crude ash content (%) | 粗蛋白含量Crude protein content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 9.84±0.45a | 11.76±0.46a | 9.94±0.16a | 21.21±0.52a | 17.03±0.27a | 16.19±0.60a |
B2 | 9.50±0.12ab | 10.80±0.46ab | 9.51±0.39a | 21.32±0.26a | 17.34±0.32a | 16.59±1.01a | |
B3 | 8.47±0.06b | 10.11±0.39b | 9.84±0.21a | 20.77±0.15a | 16.83±0.68a | 16.31±0.39a | |
A2 | B1 | 9.52±0.23a | 11.34±0.37a | 9.96±0.85a | 21.02±0.17a | 16.78±0.38a | 16.53±0.83a |
B2 | 8.42±0.47b | 9.75±0.16b | 9.27±0.78a | 18.79±0.65a | 16.46±0.39a | 16.53±0.11a | |
B3 | 8.94±0.27ab | 10.09±0.41b | 9.88±0.62a | 20.20±0.31a | 16.89±0.37a | 17.92±1.11a | |
A3 | B1 | 9.81±0.35a | 11.18±0.28a | 11.97±2.75a | 21.24±0.22a | 16.79±0.11a | 17.20±0.25a |
B2 | 9.70±0.36a | 10.23±0.54a | 8.56±0.32c | 20.82±0.44a | 16.46±0.73a | 16.75±0.69a | |
B3 | 9.72±0.15a | 10.78±0.32a | 10.33±0.34b | 20.61±0.12a | 17.12±0.37a | 17.68±0.23a |
表8 混播方式和播种量对苜蓿粗灰分、粗蛋白含量的影响
Table 8 The effect of mixed mode and sowing amount on the crude ash and crude protein content of alfalfa
混播方式Mixed mode | 播种量 Sowing amount (kg·hm-2) | 粗灰分含量Crude ash content (%) | 粗蛋白含量Crude protein content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 9.84±0.45a | 11.76±0.46a | 9.94±0.16a | 21.21±0.52a | 17.03±0.27a | 16.19±0.60a |
B2 | 9.50±0.12ab | 10.80±0.46ab | 9.51±0.39a | 21.32±0.26a | 17.34±0.32a | 16.59±1.01a | |
B3 | 8.47±0.06b | 10.11±0.39b | 9.84±0.21a | 20.77±0.15a | 16.83±0.68a | 16.31±0.39a | |
A2 | B1 | 9.52±0.23a | 11.34±0.37a | 9.96±0.85a | 21.02±0.17a | 16.78±0.38a | 16.53±0.83a |
B2 | 8.42±0.47b | 9.75±0.16b | 9.27±0.78a | 18.79±0.65a | 16.46±0.39a | 16.53±0.11a | |
B3 | 8.94±0.27ab | 10.09±0.41b | 9.88±0.62a | 20.20±0.31a | 16.89±0.37a | 17.92±1.11a | |
A3 | B1 | 9.81±0.35a | 11.18±0.28a | 11.97±2.75a | 21.24±0.22a | 16.79±0.11a | 17.20±0.25a |
B2 | 9.70±0.36a | 10.23±0.54a | 8.56±0.32c | 20.82±0.44a | 16.46±0.73a | 16.75±0.69a | |
B3 | 9.72±0.15a | 10.78±0.32a | 10.33±0.34b | 20.61±0.12a | 17.12±0.37a | 17.68±0.23a |
项目 Item | 处理 Treatment | 粗灰分含量Crude ash content (%) | 粗蛋白含量Crude protein content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 9.27ab | 10.89a | 9.76a | 21.10a | 17.07a | 16.36a |
A2 | 8.96b | 10.39a | 9.70a | 20.00b | 16.71a | 16.99a | |
A3 | 9.74a | 10.73a | 10.29a | 20.89a | 16.79a | 17.21a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 9.72a | 11.43a | 10.39a | 21.16a | 16.87a | 16.64a |
B2 | 9.21ab | 10.26b | 9.34a | 20.51b | 16.75a | 16.62a | |
B3 | 9.04b | 10.33b | 10.02a | 20.31b | 16.95a | 17.30a | |
P值 P value | A | 0.022* | 0.197 | 0.433 | 0.001** | 0.852 | 0.517 |
B | 0.041* | 0.001** | 0.120 | 0.012* | 0.957 | 0.596 | |
A×B | 0.106 | 0.241 | 0.040* | 0.011* | 0.959 | 0.895 |
表9 混播方式和播种量互作对苜蓿粗灰分、粗蛋白含量的影响
Table 9 The interaction of mixed mode and sowing amount on the crude ash and crude protein content of alfalfa
项目 Item | 处理 Treatment | 粗灰分含量Crude ash content (%) | 粗蛋白含量Crude protein content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 9.27ab | 10.89a | 9.76a | 21.10a | 17.07a | 16.36a |
A2 | 8.96b | 10.39a | 9.70a | 20.00b | 16.71a | 16.99a | |
A3 | 9.74a | 10.73a | 10.29a | 20.89a | 16.79a | 17.21a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 9.72a | 11.43a | 10.39a | 21.16a | 16.87a | 16.64a |
B2 | 9.21ab | 10.26b | 9.34a | 20.51b | 16.75a | 16.62a | |
B3 | 9.04b | 10.33b | 10.02a | 20.31b | 16.95a | 17.30a | |
P值 P value | A | 0.022* | 0.197 | 0.433 | 0.001** | 0.852 | 0.517 |
B | 0.041* | 0.001** | 0.120 | 0.012* | 0.957 | 0.596 | |
A×B | 0.106 | 0.241 | 0.040* | 0.011* | 0.959 | 0.895 |
图4 混播方式和播种量对苜蓿3年粗灰分、粗蛋白含量均值的影响
Fig.4 The effect of mixed mode and sowing amount on the average value of crude ash and crude protein content of alfalfa in 3 years
混播方式Mixed mode | 播种量 Sowing amount (kg·hm-2) | 中性洗涤纤维含量 Neutral detergent fiber content (%) | 酸性洗涤纤维含量 Acid detergent fiber content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 45.72±3.26a | 42.69±1.09a | 40.79±0.63a | 32.62±2.58a | 23.97±1.55a | 22.84±1.47a |
B2 | 44.13±6.56a | 39.63±6.68a | 39.68±2.12a | 32.68±8.39a | 21.33±1.57a | 21.53±0.31a | |
B3 | 45.14±0.79a | 41.35±2.37a | 39.46±4.48a | 32.83±1.21a | 22.12±1.05a | 20.75±2.12a | |
A2 | B1 | 44.74±1.38a | 40.79±3.62a | 37.98±2.70a | 34.47±5.32a | 20.50±2.23a | 19.79±5.57a |
B2 | 46.47±4.48a | 40.06±2.09a | 38.16±1.88a | 36.18±5.65a | 21.70±2.12a | 20.07±4.79a | |
B3 | 46.27±0.46a | 40.94±1.01a | 39.09±2.73a | 36.60±5.32a | 21.48±3.14a | 21.31±3.21a | |
A3 | B1 | 46.50±2.58a | 41.65±1.35a | 37.75±1.17a | 33.03±3.24a | 22.19±2.27a | 20.72±2.92a |
B2 | 44.92±2.32a | 42.01±0.55a | 38.43±3.85a | 34.14±4.42a | 22.15±4.13a | 19.75±1.65a | |
B3 | 46.34±5.26a | 40.68±1.41a | 38.52±1.67a | 34.93±3.25a | 21.26±2.25a | 20.95±2.68a |
表10 混播方式和播种量对苜蓿中性洗涤纤维、酸性洗涤纤维含量的影响
Table 10 The effect of mixed mode and sowing amount on the content of neutral detergent fiber and acid detergent fiber of alfalfa
混播方式Mixed mode | 播种量 Sowing amount (kg·hm-2) | 中性洗涤纤维含量 Neutral detergent fiber content (%) | 酸性洗涤纤维含量 Acid detergent fiber content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
A1 | B1 | 45.72±3.26a | 42.69±1.09a | 40.79±0.63a | 32.62±2.58a | 23.97±1.55a | 22.84±1.47a |
B2 | 44.13±6.56a | 39.63±6.68a | 39.68±2.12a | 32.68±8.39a | 21.33±1.57a | 21.53±0.31a | |
B3 | 45.14±0.79a | 41.35±2.37a | 39.46±4.48a | 32.83±1.21a | 22.12±1.05a | 20.75±2.12a | |
A2 | B1 | 44.74±1.38a | 40.79±3.62a | 37.98±2.70a | 34.47±5.32a | 20.50±2.23a | 19.79±5.57a |
B2 | 46.47±4.48a | 40.06±2.09a | 38.16±1.88a | 36.18±5.65a | 21.70±2.12a | 20.07±4.79a | |
B3 | 46.27±0.46a | 40.94±1.01a | 39.09±2.73a | 36.60±5.32a | 21.48±3.14a | 21.31±3.21a | |
A3 | B1 | 46.50±2.58a | 41.65±1.35a | 37.75±1.17a | 33.03±3.24a | 22.19±2.27a | 20.72±2.92a |
B2 | 44.92±2.32a | 42.01±0.55a | 38.43±3.85a | 34.14±4.42a | 22.15±4.13a | 19.75±1.65a | |
B3 | 46.34±5.26a | 40.68±1.41a | 38.52±1.67a | 34.93±3.25a | 21.26±2.25a | 20.95±2.68a |
项目 Item | 处理 Treatment | 中性洗涤纤维含量Neutral detergent fiber content (%) | 酸性洗涤纤维含量Acid detergent fiber content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 44.97a | 41.22a | 39.98a | 32.67b | 22.47a | 21.71a |
A2 | 45.77a | 40.62a | 38.41a | 35.70a | 21.23a | 20.39a | |
A3 | 45.73a | 41.45a | 38.23a | 34.00ab | 21.87a | 20.47a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 45.47a | 41.71a | 38.84a | 33.33a | 22.22a | 21.12a |
B2 | 45.13a | 40.57a | 38.76a | 34.27a | 21.73a | 20.45a | |
B3 | 45.87a | 40.99a | 39.02a | 34.77a | 21.62a | 21.00a | |
P值 P value | A | 0.676 | 0.746 | 0.419 | 0.026* | 0.233 | 0.133 |
B | 0.771 | 0.607 | 0.982 | 0.369 | 0.664 | 0.595 | |
A×B | 0.708 | 0.719 | 0.954 | 0.922 | 0.245 | 0.326 |
表11 混播方式和播种量互作对苜蓿中性洗涤纤维、酸性洗涤纤维含量的影响
Table 11 The interaction of mixed mode and sowing amount on the content of neutral detergent fiber and acid detergent fiber of alfalfa
项目 Item | 处理 Treatment | 中性洗涤纤维含量Neutral detergent fiber content (%) | 酸性洗涤纤维含量Acid detergent fiber content (%) | ||||
---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 44.97a | 41.22a | 39.98a | 32.67b | 22.47a | 21.71a |
A2 | 45.77a | 40.62a | 38.41a | 35.70a | 21.23a | 20.39a | |
A3 | 45.73a | 41.45a | 38.23a | 34.00ab | 21.87a | 20.47a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 45.47a | 41.71a | 38.84a | 33.33a | 22.22a | 21.12a |
B2 | 45.13a | 40.57a | 38.76a | 34.27a | 21.73a | 20.45a | |
B3 | 45.87a | 40.99a | 39.02a | 34.77a | 21.62a | 21.00a | |
P值 P value | A | 0.676 | 0.746 | 0.419 | 0.026* | 0.233 | 0.133 |
B | 0.771 | 0.607 | 0.982 | 0.369 | 0.664 | 0.595 | |
A×B | 0.708 | 0.719 | 0.954 | 0.922 | 0.245 | 0.326 |
图5 混播方式和播种量对苜蓿3年中性洗涤纤维、酸性洗涤纤维含量均值的影响
Fig.5 Effect of mixed mode and sowing amount on the average content of neutral detergent fiber and acid detergent fiber of alfalfa in 3 years
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 相对饲喂价值Relative feeding value | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
A1 | B1 | 129.26±12.12a | 153.03±15.34b | 162.16±14.55b |
B2 | 133.95±5.25a | 169.67±14.22a | 169.09±10.84ab | |
B3 | 130.66±7.98a | 161.23±11.47ab | 171.47±17.88a | |
A2 | B1 | 129.24±13.45a | 166.32±15.98a | 179.98±19.65a |
B2 | 121.85±10.27b | 167.18±10.65a | 178.60±11.25a | |
B3 | 121.59±12.45b | 163.98±12.32a | 172.05±13.65a | |
A3 | B1 | 127.79±11.75a | 159.95±14.34a | 179.29±17.85a |
B2 | 129.15±9.21a | 158.64±18.95a | 177.95±14.51a | |
B3 | 123.99±9.36a | 165.42±11.08a | 175.28±15.40a |
表12 混播方式和播种量对苜蓿相对饲喂价值的影响
Table 12 The effect of mixed mode and sowing amount on the relative feeding value of alfalfa
混播方式 Mixed mode | 播种量 Sowing amount (kg·hm-2) | 相对饲喂价值Relative feeding value | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
A1 | B1 | 129.26±12.12a | 153.03±15.34b | 162.16±14.55b |
B2 | 133.95±5.25a | 169.67±14.22a | 169.09±10.84ab | |
B3 | 130.66±7.98a | 161.23±11.47ab | 171.47±17.88a | |
A2 | B1 | 129.24±13.45a | 166.32±15.98a | 179.98±19.65a |
B2 | 121.85±10.27b | 167.18±10.65a | 178.60±11.25a | |
B3 | 121.59±12.45b | 163.98±12.32a | 172.05±13.65a | |
A3 | B1 | 127.79±11.75a | 159.95±14.34a | 179.29±17.85a |
B2 | 129.15±9.21a | 158.64±18.95a | 177.95±14.51a | |
B3 | 123.99±9.36a | 165.42±11.08a | 175.28±15.40a |
项目 Item | 处理 Treatment | 相对饲喂价值Relative feeding value | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 131.29a | 161.31a | 167.57b |
A2 | 124.23b | 165.83a | 176.88a | |
A3 | 126.98b | 161.34a | 177.51a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 128.76a | 159.77a | 173.81a |
B2 | 128.32a | 165.16a | 175.21a | |
B3 | 125.41a | 163.54a | 172.93a | |
P值 P value | A | 0.002** | 0.365 | 0.025* |
B | 0.106 | 0.322 | 0.821 | |
A×B | 0.058 | 0.214 | 0.414 |
表13 混播方式和播种量互作对苜蓿相对饲喂价值的影响
Table 13 The effect of the interaction of mixed mode and sowing amount on the relative feeding value of alfalfa
项目 Item | 处理 Treatment | 相对饲喂价值Relative feeding value | ||
---|---|---|---|---|
2017 | 2018 | 2019 | ||
混播方式 Mixed mode (A) | A1 | 131.29a | 161.31a | 167.57b |
A2 | 124.23b | 165.83a | 176.88a | |
A3 | 126.98b | 161.34a | 177.51a | |
播种量 Sowing amount (kg·hm-2) (B) | B1 | 128.76a | 159.77a | 173.81a |
B2 | 128.32a | 165.16a | 175.21a | |
B3 | 125.41a | 163.54a | 172.93a | |
P值 P value | A | 0.002** | 0.365 | 0.025* |
B | 0.106 | 0.322 | 0.821 | |
A×B | 0.058 | 0.214 | 0.414 |
性状Traits | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 |
---|---|---|---|---|---|---|---|---|---|---|
X1 | 1.000 | |||||||||
X2 | 0.306 | 1.000 | ||||||||
X3 | 0.244 | -0.489 | 1.000 | |||||||
X4 | -0.242 | -0.112 | -0.409 | 1.000 | ||||||
X5 | 0.099 | 0.540 | -0.671* | 0.046 | 1.000 | |||||
X6 | 0.329 | 0.469 | -0.576 | 0.408 | 0.420 | 1.000 | ||||
X7 | -0.322 | -0.462 | 0.579 | -0.408 | -0.432 | -0.130 | 1.000 | |||
X8 | 0.374 | 0.461 | 0.167 | 0.055 | 0.100 | 0.077 | -0.071 | 1.000 | ||
X9 | -0.052 | -0.125 | 0.243 | 0.306 | 0.031 | -0.113 | 0.107 | 0.736* | 1.000 | |
X10 | 0.371 | 0.309 | 0.241 | 0.120 | 0.035 | 0.067 | -0.062 | 0.982** | 0.822** | 1.000 |
表14 苜蓿主要性状的相关系数矩阵
Table 14 Correlation coefficient matrix of main characters of alfalfa
性状Traits | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 |
---|---|---|---|---|---|---|---|---|---|---|
X1 | 1.000 | |||||||||
X2 | 0.306 | 1.000 | ||||||||
X3 | 0.244 | -0.489 | 1.000 | |||||||
X4 | -0.242 | -0.112 | -0.409 | 1.000 | ||||||
X5 | 0.099 | 0.540 | -0.671* | 0.046 | 1.000 | |||||
X6 | 0.329 | 0.469 | -0.576 | 0.408 | 0.420 | 1.000 | ||||
X7 | -0.322 | -0.462 | 0.579 | -0.408 | -0.432 | -0.130 | 1.000 | |||
X8 | 0.374 | 0.461 | 0.167 | 0.055 | 0.100 | 0.077 | -0.071 | 1.000 | ||
X9 | -0.052 | -0.125 | 0.243 | 0.306 | 0.031 | -0.113 | 0.107 | 0.736* | 1.000 | |
X10 | 0.371 | 0.309 | 0.241 | 0.120 | 0.035 | 0.067 | -0.062 | 0.982** | 0.822** | 1.000 |
性状 Traits | 因子1 Factor 1 | 因子2 Factor 2 | 因子3 Factor 3 | 因子4 Factor 4 |
---|---|---|---|---|
X1 | 0.339 | 0.340 | 0.661 | -0.452 |
X2 | 0.732 | 0.086 | 0.412 | 0.361 |
X3 | -0.691 | 0.525 | 0.252 | -0.346 |
X4 | 0.377 | -0.043 | -0.818 | -0.276 |
X5 | 0.678 | -0.164 | 0.074 | 0.528 |
X6 | 0.878 | -0.220 | -0.024 | -0.381 |
X7 | -0.878 | 0.224 | 0.031 | 0.374 |
X8 | 0.372 | 0.907 | 0.034 | 0.122 |
X9 | 0.080 | 0.822 | -0.490 | 0.104 |
X10 | 0.317 | 0.943 | -0.059 | 0.017 |
特征值Eigenvalue | 3.518 | 2.913 | 1.592 | 1.120 |
方差贡献率Variance contribution rate (%) | 35.183 | 29.133 | 15.915 | 11.203 |
累积贡献率Cumulative contribution rate (%) | 35.183 | 64.316 | 80.231 | 91.434 |
表15 苜蓿主要性状的特征值和累计贡献率
Table 15 Characteristic values and cumulative contribution rates of main characters of alfalfa
性状 Traits | 因子1 Factor 1 | 因子2 Factor 2 | 因子3 Factor 3 | 因子4 Factor 4 |
---|---|---|---|---|
X1 | 0.339 | 0.340 | 0.661 | -0.452 |
X2 | 0.732 | 0.086 | 0.412 | 0.361 |
X3 | -0.691 | 0.525 | 0.252 | -0.346 |
X4 | 0.377 | -0.043 | -0.818 | -0.276 |
X5 | 0.678 | -0.164 | 0.074 | 0.528 |
X6 | 0.878 | -0.220 | -0.024 | -0.381 |
X7 | -0.878 | 0.224 | 0.031 | 0.374 |
X8 | 0.372 | 0.907 | 0.034 | 0.122 |
X9 | 0.080 | 0.822 | -0.490 | 0.104 |
X10 | 0.317 | 0.943 | -0.059 | 0.017 |
特征值Eigenvalue | 3.518 | 2.913 | 1.592 | 1.120 |
方差贡献率Variance contribution rate (%) | 35.183 | 29.133 | 15.915 | 11.203 |
累积贡献率Cumulative contribution rate (%) | 35.183 | 64.316 | 80.231 | 91.434 |
性状Traits | A1 | A2 | A3 | A4 | 性状Traits | A1 | A2 | A3 | A4 |
---|---|---|---|---|---|---|---|---|---|
X1 | 0.181 | 0.199 | 0.524 | -0.427 | X6 | 0.468 | -0.129 | -0.019 | -0.360 |
X2 | 0.390 | 0.050 | 0.327 | 0.341 | X7 | -0.468 | 0.131 | 0.025 | 0.353 |
X3 | -0.368 | 0.308 | 0.200 | -0.327 | X8 | 0.198 | 0.531 | 0.027 | 0.115 |
X4 | 0.201 | -0.025 | -0.648 | -0.261 | X9 | 0.043 | 0.482 | -0.388 | 0.098 |
X5 | 0.361 | -0.096 | 0.059 | 0.499 | X10 | 0.169 | 0.553 | -0.047 | 0.016 |
表16 苜蓿主要性状的特征向量(Ai)
Table 16 Feature vectors (Ai) of main characters of alfalfa
性状Traits | A1 | A2 | A3 | A4 | 性状Traits | A1 | A2 | A3 | A4 |
---|---|---|---|---|---|---|---|---|---|
X1 | 0.181 | 0.199 | 0.524 | -0.427 | X6 | 0.468 | -0.129 | -0.019 | -0.360 |
X2 | 0.390 | 0.050 | 0.327 | 0.341 | X7 | -0.468 | 0.131 | 0.025 | 0.353 |
X3 | -0.368 | 0.308 | 0.200 | -0.327 | X8 | 0.198 | 0.531 | 0.027 | 0.115 |
X4 | 0.201 | -0.025 | -0.648 | -0.261 | X9 | 0.043 | 0.482 | -0.388 | 0.098 |
X5 | 0.361 | -0.096 | 0.059 | 0.499 | X10 | 0.169 | 0.553 | -0.047 | 0.016 |
处理Treatment | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 |
---|---|---|---|---|---|---|---|---|---|---|
A1B1 | -1.673 | -0.552 | -0.659 | 0.243 | 0.035 | -0.081 | 0.064 | -2.150 | -1.484 | -2.191 |
A1B2 | -1.128 | 1.103 | -0.659 | 0.501 | 0.244 | -0.754 | 0.770 | 1.209 | 0.804 | 0.927 |
A1B3 | -0.850 | -0.876 | -0.659 | 0.243 | 0.205 | 0.405 | -0.433 | -0.281 | 0.677 | -0.106 |
A2B1 | 0.350 | 0.455 | 0.958 | -0.915 | 0.558 | 0.021 | -0.041 | 1.172 | 1.265 | 1.238 |
A2B2 | 1.133 | 1.589 | -1.197 | 0.887 | 0.362 | 2.345 | -2.316 | 0.483 | -0.628 | 0.367 |
A2B3 | 0.988 | 0.779 | -0.120 | -2.074 | 0.649 | -0.582 | 0.587 | -0.474 | -1.468 | -0.738 |
A3B1 | -0.032 | -1.038 | 0.419 | 0.629 | -0.906 | -0.730 | 0.744 | 0.019 | 0.532 | 0.301 |
A3B2 | 0.820 | -0.389 | -0.120 | 1.015 | 1.094 | 0.277 | -0.302 | 0.055 | 0.478 | 0.159 |
A3B3 | 0.391 | -1.070 | 2.036 | -0.529 | -2.240 | -0.901 | 0.927 | -0.034 | -0.178 | 0.043 |
表17 播种量和混播方式下的苜蓿主要性状的标准化数据
Table 17 Standardized data of main traits of alfalfa under sowing amount and mixed mode
处理Treatment | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 |
---|---|---|---|---|---|---|---|---|---|---|
A1B1 | -1.673 | -0.552 | -0.659 | 0.243 | 0.035 | -0.081 | 0.064 | -2.150 | -1.484 | -2.191 |
A1B2 | -1.128 | 1.103 | -0.659 | 0.501 | 0.244 | -0.754 | 0.770 | 1.209 | 0.804 | 0.927 |
A1B3 | -0.850 | -0.876 | -0.659 | 0.243 | 0.205 | 0.405 | -0.433 | -0.281 | 0.677 | -0.106 |
A2B1 | 0.350 | 0.455 | 0.958 | -0.915 | 0.558 | 0.021 | -0.041 | 1.172 | 1.265 | 1.238 |
A2B2 | 1.133 | 1.589 | -1.197 | 0.887 | 0.362 | 2.345 | -2.316 | 0.483 | -0.628 | 0.367 |
A2B3 | 0.988 | 0.779 | -0.120 | -2.074 | 0.649 | -0.582 | 0.587 | -0.474 | -1.468 | -0.738 |
A3B1 | -0.032 | -1.038 | 0.419 | 0.629 | -0.906 | -0.730 | 0.744 | 0.019 | 0.532 | 0.301 |
A3B2 | 0.820 | -0.389 | -0.120 | 1.015 | 1.094 | 0.277 | -0.302 | 0.055 | 0.478 | 0.159 |
A3B3 | 0.391 | -1.070 | 2.036 | -0.529 | -2.240 | -0.901 | 0.927 | -0.034 | -0.178 | 0.043 |
处理Treatment | Y1 | Y2 | Y3 | Y4 | Y | 排名Rank |
---|---|---|---|---|---|---|
A1B1 | -1.142 | -3.623 | -0.720 | 0.319 | -1.680 | 9 |
A1B2 | 0.969 | 0.249 | -0.519 | -0.313 | 0.323 | 4 |
A1B3 | 0.218 | -0.432 | -1.292 | 0.052 | -0.272 | 6 |
A2B1 | 0.430 | 2.266 | 0.631 | 0.466 | 1.054 | 2 |
A2B2 | 3.887 | -0.569 | 0.457 | -1.263 | 1.239 | 1 |
A2B3 | -0.485 | -1.027 | 2.748 | 0.954 | 0.082 | 5 |
A3B1 | -1.378 | 0.767 | -0.921 | -0.509 | -0.509 | 7 |
A3B2 | 0.374 | 1.332 | -0.961 | 1.840 | 0.626 | 3 |
A3B3 | -2.873 | 1.037 | 0.579 | -1.546 | -0.864 | 8 |
表18 混播方式和播种量下的苜蓿主要性状的综合排名
Table 18 Comprehensive ranking of main traits of alfalfa under mixed mode and sowing amount
处理Treatment | Y1 | Y2 | Y3 | Y4 | Y | 排名Rank |
---|---|---|---|---|---|---|
A1B1 | -1.142 | -3.623 | -0.720 | 0.319 | -1.680 | 9 |
A1B2 | 0.969 | 0.249 | -0.519 | -0.313 | 0.323 | 4 |
A1B3 | 0.218 | -0.432 | -1.292 | 0.052 | -0.272 | 6 |
A2B1 | 0.430 | 2.266 | 0.631 | 0.466 | 1.054 | 2 |
A2B2 | 3.887 | -0.569 | 0.457 | -1.263 | 1.239 | 1 |
A2B3 | -0.485 | -1.027 | 2.748 | 0.954 | 0.082 | 5 |
A3B1 | -1.378 | 0.767 | -0.921 | -0.509 | -0.509 | 7 |
A3B2 | 0.374 | 1.332 | -0.961 | 1.840 | 0.626 | 3 |
A3B3 | -2.873 | 1.037 | 0.579 | -1.546 | -0.864 | 8 |
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