灌溉制度对春小麦田间水分状况及其生长的影响
JOURNAL OF XINJIANG AGRICULTURAL UNIVERSITY(2001)
Abstract
通过对土壤供水能力和作物生长关系的研究表明,随灌水量的增加,春小麦总耗水量明显增加,土壤储水消耗量相应减少.覆膜土壤储水高于露地栽培.同时,植株性状发育优于露地,产量也得到提高,增幅在8.3%~18.3%.不同灌溉制度对春小麦产量结构与产量有显著影响;灌1次水以孕穗期,灌2次水以拔节期和扬花期,灌3次水以拔节期、孕穗期和扬花期灌水效果最佳.
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