长期施肥紫色土有效磷变化及其对稻麦轮作产量的影响

任嘉欣,刘京,陈轩敬,张跃强,张勇,王洁,石孝均

Variation of Available Phosphorus in Purple Soil and Its Effects on Crop Yield of Rice-Wheat Rotation Under Long-Term Fertilizations

REN JiaXin,LIU Jing,CHEN XuanJing,ZHANG YueQiang,ZHANG Yong,WANG Jie,SHI XiaoJun

图2 长期施肥处理下紫色土Olsen-P增量与累积磷盈亏的关系

Fig. 2 Correlations relationship between soil Olsen-P change and P balance in purple soil under long-term fertilization treatments