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

图2 土壤理化性质对油菜生物量和养分积累量的影响 “***”、“**”和“*”分别表示处理间在P < 0.001、P < 0.01和P < 0.05水平上差异显著。

Fig.2 The impact of soil physicochemical properties on the biomass and nutrient accumulation of rapeseed “***”,“**”, and“*”indicate significant difference among treatments at P < 0.001, P < 0.01, and P < 0.05 levels, respectively. OM: organic matter, TN: total N, AP: available P, AK: available K, FGW: fresh grass weight, DGW: dry grass weight, CA: carbon accumulation, NA: nitrogen accumulation, PA: phosphorus accumulation, KA: potassium accumulation.