【摘要】 我国土壤磷素水平处于上升过程 ,可能构成对水体环境的威胁。威胁主要在高产区和蔬菜种植区。讨论了土壤磷素在什么水平下可保护水体环境安全同时也满足作物高产需要。对已构成水体威胁地区 ,提出了可能的对策。更多还原

【Abstract】 The degradation of water environment may occur due to the accumulation of soil phosphorus in the highyield vegetable planting regions of China. The critical level of soil available phosphorus is discussed for safely environmental protection of water body and highyield crop demand. Some countermeasures are presented for the regions of water environment degrading.更多还原