ECONOMIC BENEFIT ANALYSIS ON COMPREHENSIVE CONTROL PROJECT FOR SALINE-ALKALINE LAND IN NORTH CHINA PLAIN

An all round analysis is made in this paper on the economic benefit of the integrated controls of the saline-alkaline land in North China Plain, based on the Pilot Survey on the cost and benefit of the integrated controls in this region. The seven experimental areas involved in the survey are classified into three types. In addition, suggest economic targets and means to appraise the cost result for the inetgrated controls of the salinealkaline land.