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Influence of Deep Tillage on Distribution of Wheat Root System in Soil Profile
Author(s): 
Pages: 272-273
Year: Issue:  8
Journal: XIANDAI NONGYE KEJI

Abstract: 随着耕作种植制度的改变,旋耕已成为中国北方冬小麦生产的主要耕作整地方式.常年以旋代耕,使耕层下面形成了一个比较坚硬的犁底层,影响作物根系发育、下扎,最终造成作物减产.对河北省曲周县的曲周县-中国农业大学"双高"基地2个采用不同耕作方式(旋耕和深耕)的麦田中0~100 cm土壤剖面小麦根系分布状况进行研究,结果表明:深耕田小麦根系数量较旋耕田块高76.6%,深耕田块耕层以下土壤剖面(15~100 c...
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