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6. 长期施用磷肥红壤全磷及有效磷增量与累积磷盈亏的关系（1991—2016）
Fig. 6. Correlations relationship between soil total P, Olsen-P change and P balance under long-term fertilizations during the period of 1991-2016
