氮磷钾肥对青贮玉米产量和品质的影响
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高文俊,杨国义,高新中,玉柱,许庆方,原向阳,孙耀武
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The Effects of Nitrogen, Phosphorus, or Potassium Fertilizer on the Yield and Silage Quality of Maize
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Wenjun Gao,Guoyi Yang,Xinzhong Gao,Zhu Yu,Qingfang Xu,Xiangyang Yuan,Yaowu Sun
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表1 不同施肥处理对青贮玉米品质性状的影响
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Table 1 The effects of different treatments on quality characters of silage maize %
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项目Item | CK | N | P | K | 干物质Dry matter | 30.08±1.08a | 29.46±0.73a | 29.89±1.35a | 30.02±1.26a | 粗蛋白Crude protein | 8.49±0.36a | 8.86±0.42a | 8.37±0.45a | 8.26±0.61a | 中性洗涤纤维Neutral detergent fiber | 48.37±1.62a | 46.29±1.71a | 47.62±1.39a | 46.45±1.26a | 酸性洗涤纤维Acid detergent fiber | 23.72±0.97a | 22.48±1.04a | 24.08±1.18a | 24.32±1.35a | 粗灰分Crude ash | 4.29±0.42a | 4.12±0.39a | 4.17±0.61a | 4.35±0.74a | 淀粉Starch | 28.69±1.09a | 29.17±1.72a | 28.83±1.05a | 29.09±0.86a | 水溶性碳水化合物Water soluble carbohydrate | 14.61±1.16a | 12.79±0.74b | 13.58±1.25ab | 13.67±1.32ab | 粗脂肪Ether extract | 3.42±0.28a | 3.18±0.17a | 3.27±0.25a | 3.39±0.19a | 体外干物质消化率In vitro dry matter degradability | 69.37±1.97a | 68.75±2.03a | 69.04±1.62a | 69.31±1.75a | 体外中性洗涤纤维消化率In vitro neutral detergent fiber degradability | 49.05±1.08a | 50.11±1.15a | 49.38±2.14a | 49.29±1.47a |
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