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5 不同刈割期小黑麦的青贮含水量、pH和有机酸含量
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Table 5 Silage moisture content, pH and organic acid content of triticale in different mowing periods
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品种 Variety | 刈割期 Mowing period | 青贮含水量 Silage moisture content (%) | pH | 有机酸含量Organic acid content (%) | 主成分得分 Principal component score | 乳酸 Lactic acid | 乙酸 Acetic acid | 丙酸 Propanoic acid | 丁酸 Butyric acid | 优能 Youneng | 抽穗期 | 88.2 | 4.20±0.28b | 4.00±1.20a | 1.45±0.21a | 0.49±0.69a | — | 0.89 | | 开花期 | 76.2 | 4.10±0.00b | 3.94±0.19a | 1.06±0.22abc | — | — | 1.50 | | 灌浆期 | 74.6 | 4.15±0.00b | 3.88±0.09a | 1.12±0.03ab | — | — | 1.41 | | 乳熟期 | 71.4 | 4.30±0.00ab | 3.74±0.37a | 0.74±0.14bcd | — | — | 1.18 | 雷神 Leishen | 抽穗期 | 75.6 | 4.05±0.07b | 3.78±0.58a | 0.55±0.08cd | — | — | 1.52 | | 开花期 | 70.5 | 4.20±0.00b | 3.43±0.26a | 0.48±0.11d | — | — | 1.23 | | 灌浆期 | 66.0 | 4.20±0.00b | 3.18±0.63ab | 0.83±0.17bcd | 0.13±0.00a | — | 1.04 | | 乳熟期 | 64.4 | 4.50±0.14a | 2.11±0.41b | 0.41±0.02d | 0.15±0.06a | — | 0.35 |
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