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1 不同处理下的有机肥和氮肥用量

Table 1 The dosages of organic fertilizer and N fertilizer under different treatments

处理 Treatment 替代氮肥比例 Replacement nitrogen fertilizer ratio (%) 基肥量Basal fertilizer amount (kg/hm2) 追肥量Topdressing fertilizer amount (kg/hm2) 有机肥 Organic fertilizer N P2O5 K2O N FP 0 0 120.0 96.0 105.0 120 MS20 20 1920 72.0 76.8 57.0 120 MS30 30 2880 48.0 67.2 33.0 120 MS40 40 3840 24.0 57.6 9.0 120 MS50 50 4800 0.0 48.0 0.0 120