沿黄灌区不同种植模式下麦后复种油菜适宜施氮量研究

刘陈, 王伟妮, 廖世鹏, 任涛, 郭晨, 许源源, 于道海, 刘俊梅, 张豪强, 孙霞, 鲁剑巍

Study on Optimal Nitrogen Application Rate for Relay Cropped Rapeseed after Wheat under Different Planting Patterns in the Yellow River Irrigation Region

Liu Chen, Wang Weini, Liao Shipeng, Ren Tao, Guo Chen, Xu Yuanyuan, Yu Daohai, Liu Junmei, Zhang Haoqiang, Sun Xia, Lu Jianwei

表1 试验土壤基础理化性质

Table 1 Experimental soil basic physicochemical properties

处理 Treatment 种植模式 Cropping pattern pH 有机质 Organic matter (g/kg) 全氮 Total N (g/kg) 速效磷 Available P (mg/kg) 速效钾 Available K (mg/kg) T1 秸秆移走翻耕 8.49 8.22 0.42 10.27 158.80 T2 秸秆还田翻耕 8.32 12.36 0.61 11.51 162.50 T3 秸秆移走免耕 8.85 11.10 0.54 9.08 163.70