氮磷钾肥对青贮玉米产量和品质的影响
高文俊,杨国义,高新中,玉柱,许庆方,原向阳,孙耀武

The Effects of Nitrogen, Phosphorus, or Potassium Fertilizer on the Yield and Silage Quality of Maize
Wenjun Gao,Guoyi Yang,Xinzhong Gao,Zhu Yu,Qingfang Xu,Xiangyang Yuan,Yaowu Sun
表1 不同施肥处理对青贮玉米品质性状的影响
Table 1 The effects of different treatments on quality characters of silage maize %
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