连续秸秆还田对油菜水稻轮作土壤磷素有效性 及作物磷素利用效率的影响
王昆昆,廖世鹏,任涛,李小坤,丛日环(),鲁剑巍
Effect of Continuous Straw Returning on Soil Phosphorus Availability and Crop Phosphorus Utilization Efficiency of Oilseed Rape-Rice Rotation
KunKun WANG,ShiPeng LIAO,Tao REN,XiaoKun LI,RiHuan CONG(),JianWei LU

图6. 油菜(O)-水稻(R)轮作体系土壤有效磷对磷盈亏的响应关系
图中**表示线性方程的显著性达到 P<0.01 ** indicate the significant correlation at P<0.01

Fig. 6. Response of soil Olsen-P to P apparent balance at oilseed rape-rice rotation system