不同生育期刈割对豫北小黑麦草产量、品质和青贮发酵质量的影响
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桑瑞娟, 董春阳, 张红妹, 何云, 孙浩, 刘伯帅, 朱晓艳, 马森, 李德锋
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Effects of Mowing at Different Growth Stages on Forage Yield, Quality and Silage Fermentation Quality of Triticale in Northern Henan Province
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Sang Ruijuan, Dong Chunyang, Zhang Hongmei, He Yun, Sun Hao, Liu Boshuai, Zhu Xiaoyan, Ma Sen, Li Defeng
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表3 不同刈割期小黑麦的营养成分含量和主成分得分
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Table 3 Nutrient content and principal component scores of triticale in different mowing periods
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品种 Variety | 刈割期 Mowing period | 粗蛋白 CP (%) | 粗灰分 CA (%) | 中性洗涤纤维 NDF (%) | 酸性洗涤纤维 ADF (%) | 相对牧草质量 RFQ (%) | 主成分得分 Principal component score | 分级 Grade | 优能 Youneng | 抽穗期 | 15.76±0.34a | 11.08±0.11ab | 51.63±0.88d | 39.51±0.72b | 137.16±0.38a | 2.46 | 一级 | | 开花期 | 11.70±0.11c | 13.01±0.63a | 56.10±1.08c | 42.18±0.70b | 114.17±3.42b | 1.25 | 二级 | | 灌浆期 | 11.63±0.38c | 11.36±0.64ab | 60.47±0.20a | 45.93±0.26a | 92.31±3.11c | 0.17 | 三级 | | 乳熟期 | 9.55±0.26d | 10.37±0.35b | 58.53±0.39ab | 41.63±0.03b | 107.97±0.59b | 0.81 | 三级 | 雷神 Leishen | 抽穗期 | 13.07±1.07b | 13.35±1.54a | 53.45±0.61d | 40.67±1.10b | 127.14±2.18a | 1.85 | 一级 | | 开花期 | 11.93±0.47bc | 11.81±1.16ab | 59.21±1.50ab | 45.22±2.00a | 97.39±4.39c | 0.43 | 三级 | | 灌浆期 | 10.22±0.42d | 10.97±1.51ab | 57.65±0.63bc | 42.29±1.71b | 109.03±8.94b | 0.83 | 二级 | | 乳熟期 | 8.79±0.53e | 10.38±1.32b | 55.01±0.20c | 41.99±1.55b | 118.25±3.23ab | 1.18 | 二级 |
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