Acta Prataculturae Sinica ›› 2023, Vol. 32 ›› Issue (3): 30-40.DOI: 10.11686/cyxb2022121
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Teng-fei WANG1,2(), Bin WANG1,2, Jian-qiang DENG1,2, Man-you LI1,2, Wang NI1,2, Qin FENG1,2, Yun-yun TUO3, Jian LAN1,2()
Received:
2022-03-17
Revised:
2022-04-13
Online:
2023-03-20
Published:
2022-12-30
Contact:
Jian LAN
Teng-fei WANG, Bin WANG, Jian-qiang DENG, Man-you LI, Wang NI, Qin FENG, Yun-yun TUO, Jian LAN. Effect of sowing rate on yield and forage quality of a Dolichos lablab-Sorghum bicolor mixture under drip irrigation in arid areas of Ningxia[J]. Acta Prataculturae Sinica, 2023, 32(3): 30-40.
材料名称 Material name | 品种 Variety | 纯净度 Purity (%) | 发芽率 Germination rate (%) | 千粒重 Thousand seed weight (g) | 来源Source |
---|---|---|---|---|---|
甜高粱S. bicolor | 绿巨人Lvjuren | 99 | 98 | 29.74 | 北京百斯特草业有限公司 Beijing Best grass industry co. Ltd |
拉巴豆D. lablab | 润高Rongai | 98 | 85 | 189.50 |
Table 1 Information of test materials
材料名称 Material name | 品种 Variety | 纯净度 Purity (%) | 发芽率 Germination rate (%) | 千粒重 Thousand seed weight (g) | 来源Source |
---|---|---|---|---|---|
甜高粱S. bicolor | 绿巨人Lvjuren | 99 | 98 | 29.74 | 北京百斯特草业有限公司 Beijing Best grass industry co. Ltd |
拉巴豆D. lablab | 润高Rongai | 98 | 85 | 189.50 |
处理Treatment | 株高 Plant height (cm) | 茎粗 Stem diameter (mm) | 茎秆1~4节强度 Stem 1-4 knot strength (N) | 茎秆5~7节强度 Stem 5-7 knot strength (N) | ||||
---|---|---|---|---|---|---|---|---|
2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | |
S0 | 270.99±3.02c | 252.00±6.34b | 14.02±0.15c | 13.92±0.23b | 46.54±1.18a | 44.97±4.35a | 24.93±1.21c | 24.29±2.11b |
S1 | 277.02±3.52c | 258.54±11.33b | 15.85±0.26a | 15.23±0.34a | 47.28±0.61a | 45.30±5.46a | 27.56±1.76b | 25.87±3.21ab |
S2 | 313.48±4.21a | 293.92±11.23a | 15.01±0.17b | 14.36±0.45b | 46.47±1.19a | 44.85±6.41a | 23.05±1.82c | 21.38±3.45b |
S3 | 304.58±4.34b | 286.88±9.87a | 15.06±0.18b | 14.41±0.67b | 47.36±0.59a | 46.28±3.44a | 32.32±1.49a | 30.21±4.23a |
S4 | 304.81±2.26b | 286.54±12.56a | 13.82±0.09c | 13.20±0.32c | 39.58±1.54b | 37.60±4.32b | 23.32±1.58c | 21.36±2.55b |
Table 2 Comparison of plant height, stem diameter, stem 1-4 knot strength and stem 5-7 knot strength among different treatments of S. bicolor
处理Treatment | 株高 Plant height (cm) | 茎粗 Stem diameter (mm) | 茎秆1~4节强度 Stem 1-4 knot strength (N) | 茎秆5~7节强度 Stem 5-7 knot strength (N) | ||||
---|---|---|---|---|---|---|---|---|
2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | |
S0 | 270.99±3.02c | 252.00±6.34b | 14.02±0.15c | 13.92±0.23b | 46.54±1.18a | 44.97±4.35a | 24.93±1.21c | 24.29±2.11b |
S1 | 277.02±3.52c | 258.54±11.33b | 15.85±0.26a | 15.23±0.34a | 47.28±0.61a | 45.30±5.46a | 27.56±1.76b | 25.87±3.21ab |
S2 | 313.48±4.21a | 293.92±11.23a | 15.01±0.17b | 14.36±0.45b | 46.47±1.19a | 44.85±6.41a | 23.05±1.82c | 21.38±3.45b |
S3 | 304.58±4.34b | 286.88±9.87a | 15.06±0.18b | 14.41±0.67b | 47.36±0.59a | 46.28±3.44a | 32.32±1.49a | 30.21±4.23a |
S4 | 304.81±2.26b | 286.54±12.56a | 13.82±0.09c | 13.20±0.32c | 39.58±1.54b | 37.60±4.32b | 23.32±1.58c | 21.36±2.55b |
处理 Treatment | 粗蛋白 Crude protein (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 相对饲喂价值 Relative feed value | ||||
---|---|---|---|---|---|---|---|---|
2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | |
S0 | 9.30±0.22e | 9.21±0.31d | 59.41±0.43a | 59.41±1.23a | 32.64±1.56a | 33.35±0.84a | 99.35±1.19b | 109.38±3.25bc |
S1 | 10.65±0.16d | 10.64±0.24c | 56.38±0.69bc | 55.25±0.25b | 32.87±0.89a | 31.19±0.25bc | 104.47±2.16b | 109.38±3.68bc |
S2 | 11.16±0.26c | 11.24±0.56bc | 58.48±0.55ab | 57.97±0.55a | 32.25±1.52a | 30.38±0.98c | 101.45±0.21b | 105.23±4.56c |
S3 | 11.65±0.21b | 11.68±0.22ab | 54.29±0.69cd | 54.07±0.65bc | 26.66±0.87b | 26.90±0.34d | 116.79±2.65a | 117.82±6.78a |
S4 | 12.41±0.25a | 12.21±0.89a | 52.49±0.97d | 53.09±0.98c | 31.89±1.21a | 32.11±0.50b | 113.64±2.71a | 112.54±5.68b |
Table 3 Comparison of crude protein, neutral detergent fiber and acid detergent fiber content and relative feed value among different treatments
处理 Treatment | 粗蛋白 Crude protein (%) | 中性洗涤纤维 Neutral detergent fiber (%) | 酸性洗涤纤维 Acid detergent fiber (%) | 相对饲喂价值 Relative feed value | ||||
---|---|---|---|---|---|---|---|---|
2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | |
S0 | 9.30±0.22e | 9.21±0.31d | 59.41±0.43a | 59.41±1.23a | 32.64±1.56a | 33.35±0.84a | 99.35±1.19b | 109.38±3.25bc |
S1 | 10.65±0.16d | 10.64±0.24c | 56.38±0.69bc | 55.25±0.25b | 32.87±0.89a | 31.19±0.25bc | 104.47±2.16b | 109.38±3.68bc |
S2 | 11.16±0.26c | 11.24±0.56bc | 58.48±0.55ab | 57.97±0.55a | 32.25±1.52a | 30.38±0.98c | 101.45±0.21b | 105.23±4.56c |
S3 | 11.65±0.21b | 11.68±0.22ab | 54.29±0.69cd | 54.07±0.65bc | 26.66±0.87b | 26.90±0.34d | 116.79±2.65a | 117.82±6.78a |
S4 | 12.41±0.25a | 12.21±0.89a | 52.49±0.97d | 53.09±0.98c | 31.89±1.21a | 32.11±0.50b | 113.64±2.71a | 112.54±5.68b |
项目 Items | 主成分Principal component | ||
---|---|---|---|
Ⅰ | Ⅱ | Ⅲ | |
株高Plant height | 0.33 | -0.15 | 0.51 |
茎粗Stem diameter | 0.17 | 0.49 | -0.39 |
茎秆1~4节强度Stem 1-4 knot strength | -0.11 | 0.56 | 0.20 |
茎秆5~7节强度Stem 5-7 knot strength | -0.01 | 0.47 | 0.24 |
总干草产量Total hay yield | 0.38 | 0.14 | 0.33 |
粗蛋白产量Crude protein yield | 0.42 | -0.03 | 0.13 |
粗蛋白Crude protein | 0.39 | -0.21 | 0.11 |
中性洗涤纤维Neutral detergent fiber | -0.36 | 0.15 | 0.36 |
酸性洗涤纤维Acid detergent fiber | -0.34 | -0.33 | 0.03 |
相对饲喂价值Relative feed value | 0.37 | 0.04 | -0.47 |
特征值Eigenvalue | 5.456 | 2.764 | 1.174 |
方差贡献率Variance contribution rate (%) | 54.556 | 27.642 | 11.743 |
累积贡献率Cumulative contribution rate (%) | 54.556 | 82.198 | 93.941 |
Table 4 Feature vector of each factor, principal component eigenvalue and cumulative contribution rate
项目 Items | 主成分Principal component | ||
---|---|---|---|
Ⅰ | Ⅱ | Ⅲ | |
株高Plant height | 0.33 | -0.15 | 0.51 |
茎粗Stem diameter | 0.17 | 0.49 | -0.39 |
茎秆1~4节强度Stem 1-4 knot strength | -0.11 | 0.56 | 0.20 |
茎秆5~7节强度Stem 5-7 knot strength | -0.01 | 0.47 | 0.24 |
总干草产量Total hay yield | 0.38 | 0.14 | 0.33 |
粗蛋白产量Crude protein yield | 0.42 | -0.03 | 0.13 |
粗蛋白Crude protein | 0.39 | -0.21 | 0.11 |
中性洗涤纤维Neutral detergent fiber | -0.36 | 0.15 | 0.36 |
酸性洗涤纤维Acid detergent fiber | -0.34 | -0.33 | 0.03 |
相对饲喂价值Relative feed value | 0.37 | 0.04 | -0.47 |
特征值Eigenvalue | 5.456 | 2.764 | 1.174 |
方差贡献率Variance contribution rate (%) | 54.556 | 27.642 | 11.743 |
累积贡献率Cumulative contribution rate (%) | 54.556 | 82.198 | 93.941 |
处理 Treatment | F1 | F2 | F3 | Y | 排名Ranking |
---|---|---|---|---|---|
S0 | -3.24 | 0.01 | -0.64 | -1.96 | 5 |
S1 | -0.97 | 1.06 | -0.26 | -0.28 | 4 |
S2 | -0.17 | -0.20 | 1.92 | 0.08 | 2 |
S3 | 2.85 | 1.74 | -0.46 | 2.11 | 1 |
S4 | 1.53 | -2.61 | -0.57 | 0.05 | 3 |
Table 5 Common factor values and comprehensive ranking of different treatments
处理 Treatment | F1 | F2 | F3 | Y | 排名Ranking |
---|---|---|---|---|---|
S0 | -3.24 | 0.01 | -0.64 | -1.96 | 5 |
S1 | -0.97 | 1.06 | -0.26 | -0.28 | 4 |
S2 | -0.17 | -0.20 | 1.92 | 0.08 | 2 |
S3 | 2.85 | 1.74 | -0.46 | 2.11 | 1 |
S4 | 1.53 | -2.61 | -0.57 | 0.05 | 3 |
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