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2 不同施肥处理玉米青贮饲料的发酵品质

Table 2 The fermentation quality of silage maize under different treatments

处理 Treatment pH 氨态氮(%) Ammonia nitrogen 乳酸(%) Lactic acid 乙酸(%) Acetic acid 丙酸(%) Propionic acid CK 3.82±0.04 1.73±0.23b 3.49±0.18a 0.73±0.14a 0.18±0.07a N 3.93±0.07 2.34±0.16a 3.76±0.19a 0.84±0.13a 0.14±0.11a P 3.96±0.08 1.86±0.15b 3.62±0.09a 0.75±0.09a 0.17±0.02a K 3.79±0.11 1.69±0.26b 3.71±0.28a 0.80±0.23a 0.16±0.06a