Current Application Situation and Challenge of Functional Fertilizer in Salinized Soil
At present,China is one of the countries with serious soil salinization problems in the world,mainly distributed in Northeast China,North China,Southwest China,Northwest China and coastal areas.Salinized soil has the main disad-vantages of insufficient nutrients,high salinity and low productivity,which can be improved by adding functional fertilizers.In this paper,on the basis of summarizing the current situation and hazards of salinized soil,the current improvement meas-ures,the characteristics of functional fertilizers,the mechanism and impact of improving salinized soils are reviewed,and the future technologies for improving salinized soils are prospected.This paper provides a reference for the further develop-ment of functional fertilizers and their application in salinized soil treatment,and has reference significance for selecting e-conomical,reasonable and efficient treatment measures to improve the quality of saline soil and increase crop yield.
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