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焉耆县北大渠灌区盐碱土改良综合治理中间试验
Authors
姚家鹏
房寅生
许克坤
黄运祥
Publication date
1 January 1980
Publisher
Abstract
针对当地土壤盐渍化的原因,采取了排、灌、平、肥林综合治理措施,使大面积盐碱土得到了一定改良,示范区内地下水位四年下降了80公分,土壤含盐量不断减少,脱盐率后三年达65.4-73.7%,保苗率提高12%,粮食产量八年翻了一番。在中试期间还进行了多项课题研究,其中17项具有应用价值,镁质盐碱土的提出是通过盆地土壤类型新发现,研究了它的特点,还进行了改良措施的研究;竖井排灌取得了成效,为当地水资源综合利用、扩大耕地面积、防治土壤盐渍化具有深远意义;焉耆盆地土壤改良利用区划、水文地质条件的调查、三水综合利用等论述,可作为农业区划重要参考内容;根据水盐动态观测资料,提出的临界深度、起始临界深度、井型结构可作为竖井排灌设计参数。 成果类别: 应用技
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016