豫西旱地小麦高产栽培技术探讨
wf（2009）
Abstract
<正>一、提高小麦产量的障碍因素(一)抗灾能力弱豫西地区地貌起伏不平,耕地坡度较大,水土流失严重。多数耕地土质黏重,耕性差,土层薄,土壤有机质含量低,缺磷少氮,抗灾能力差,加之土壤中
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