Distribution of roots and root length density in a maize/soybean strip intercropping system

文献类型： 外文期刊

第一作者： Gao, Yang

作者： Gao, Yang;Duan, Aiwang;Qiu, Xinqiang;Liu, Zugui;Sun, Jingsheng;Zhang, Junpeng;Wang, Hezhou;Gao, Yang;Duan, Aiwang;Liu, Zugui;Sun, Jingsheng

作者机构：

关键词： Maize/soybean intercropping;Root distribution;Root length density;2D model

期刊名称：AGRICULTURAL WATER MANAGEMENT （ 影响因子：4.516； 五年影响因子：5.12 ）

ISSN： 0378-3774

年卷期： 2010 年 98 卷 1 期

页码：

收录情况： SCI

摘要： In a field experiment in the Yellow River Basin conducted in 2007 and 2008 it was found that under full irrigation the roots of maize not only penetrated deeper than those of soybean but also extended into soybean stands underneath the space between inner rows of soybean The roots of soybean however were confined mainly to the zone near the plants Horizontal growth of the roots of both the crops was confined mainly to the soil layer 16-22 cm below the surface a layer that lay above an existing plough pan Root length density (RLD) was much higher in the top layer (0-30 cm deep) and in the zone closer to the plants The exponential model proved suitable to describe the RLD vertically and horizontally in both sole cropping and in intercropping (c) 2010 Elsevier B V All rights reserved

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