有机肥部分替代氮肥对豫东冬小麦生长及土壤特性的影响

李青欣, 金秀良, 宋晓, 张珂珂, 郭腾飞, 黄绍敏, 岳克, 丁世杰, 黄明, 李友军

Effects of Partial Replacement of Nitrogen Fertilizer with Organic Fertilizer on Growth of Winter Wheat and Soil Properties in Eastern Henan

Li Qingxin, Jin Xiuliang, Song Xiao, Zhang Keke, Guo Tengfei, Huang Shaomin, Yue Ke, Ding Shijie, Huang Ming, Li Youjun

表6 有机肥替代部分氮肥对豫东冬小麦氮效率的影响

Table 6 Effects of partial replacement of organic fertilizer for nitrogen fertilizer on the nitrogen efficiency of winter wheat in Eastern Henan

生长季 Growth season 处理 Treatment 氮素收获指数 Nitrogen harvest index 氮素利用效率 Nitrogen use efficiency (kg/kg) 氮素吸收效率 Nitrogen uptake efficiency (kg/kg) 氮肥偏生产力 Partial productivity of nitrogen fertilizer (kg/kg) 2022-2023 FP 0.72ab 34.84d 0.88c 30.36b MS20 0.72ab 54.54b 1.08a 34.90a MS30 0.74a 63.23a 1.17a 35.03a MS40 0.73ab 37.23c 0.91b 29.81b MS50 0.73ab 33.18d 0.87c 28.39b 2023-2024 FP 0.76a 31.14b 0.92b 30.57b MS20 0.79a 44.04a 1.05a 35.05a MS30 0.79a 46.14a 1.07a 36.20a MS40 0.78a 31.47b 0.93b 31.14b MS50 0.74b 26.74c 0.88c 29.06b