长期不同施肥红壤磷素变化及其对产量的影响
李冬初1,2,王伯仁2(
),黄晶2,张杨珠1,徐明岗2,张淑香2,张会民2()
),黄晶2,张杨珠1,徐明岗2,张淑香2,张会民2()
Change of Phosphorus in Red Soil and Its Effect to Grain Yield Under Long-Term Different Fertilizations
LI DongChu1,2,WANG BoRen2(),HUANG Jing2,ZHANG YangZhu1,XU MingGang2,ZHANG ShuXiang2,ZHANG HuiMin2()
),HUANG Jing2,ZHANG YangZhu1,XU MingGang2,ZHANG ShuXiang2,ZHANG HuiMin2()
图7. 小麦及玉米产量与土壤Olsen-P的响应关系
短划线、实线和点虚线分别表示线性-线性、线性-平台和米切里西拟合曲线
Fig. 7. Responses of relative yield of wheat (a) and maize (b) to soil Olsen-P content under different long term fertilizations
Short dash line, solid line and dotted line represent fitted curves by linear-linear model, linear-platform model and Michelice model respectively
