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不同灌水定额、频率对非生育期棉田返盐效果试验 被引量:4

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摘要 通过探寻南疆节水灌溉棉花种植的最佳非生育期灌水量和频率,针对南疆灌区不同重度盐渍化棉田分布差异大,定量化研究较少的现状,结合农一师范围内技术推广难度大、水资源浪费严重等问题。本试验通过对不同盐渍化土壤调研取样,建立实验室测试分析装置,开展不同定额、频率试验,研究不同定额、频率下水盐返盐效果。并采用室内土柱试验研究不同灌水定额、频率处理非生育期棉田返盐效果的研究,由不同土层的含盐量和含水量可知,在0-60cm之内土层变化较大,说明土壤60cm深度的含水量和含盐量在不同灌水定额和频率的返盐情况。以期制定科学合理的冬春灌洗盐不同灌水定额和频率,为南疆灌区盐渍化治理改良提供技术支撑。
出处 《中小企业管理与科技》 2015年第34期232-233,共2页 Management & Technology of SME
基金 南疆灌区不同重度盐渍化土壤洗盐定额试验研究(201410757007)
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