菜地土壤磷的农学和环境效应研究进展

分析了我国菜地土壤磷的累积状况,介绍了菜地土壤磷累积在提高蔬菜产量上积极的农学意义,重点从菜地土壤磷的环境效应角度,综述了菜地土壤磷素流失对农业面源污染的贡献、表征菜地土壤磷流失潜能的指标、土壤磷流失的"突变点"的研究进展,提出了菜地土壤磷的农学和环境效应研究中存在的主要问题,并对将来的研究方向进行了展望。

Agronomic and Environmental Significance of Phosphorus in Vegetable Soil: A Review

Vegetable production is playing an important role in the social economy in China.Great deal of phosphorus(P) fertilizer was applied in vegetable field by farmers in order to obtain higher yield,which has resulted in the rich accumulation of P in vegetable soils,and in recent years,more attention was given to the research on P problems in vegetable soils.This review firstly introduced the conditions of rich accumulation of P in vegetable soils in China and its benefit effects in increasing vegetable production.And then,the environmental significance of P loss of vegetable soils in agricultural non-point pollution,the index of P loss potential and the'Changeable Point'of P loss were summarized.Finally,according to the above analyses,the existent main problems in the research on the agronomic and environmental effects of P were presented,and its studying direction in the future was discussed.