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地膜覆盖对土壤棵间蒸发影响的研究
Authors
冯广平
李毅
门旗
Publication date
Publisher
Abstract
农作物地膜覆盖栽培技术是 2 0世纪 80年代发展起来的新技术 ,其保温、保墒和增产效果明显 ,但不同地膜覆盖率对减少土壤棵间蒸发影响规律 ,目前国内研究不多。通过在室内研究覆膜灌溉土壤蒸发规律 ,研究出不同土壤含水率的水分蒸发和不同覆盖率对土壤蒸发的影响关系 ,并在田间进行验证。为今后定量评价农作物地膜覆盖减少土壤棵间蒸发提供理论依
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Last time updated on 29/11/2016