Effects of subsoiling on maize yield and water-use efficiency in a semiarid area

文献类型： 外文期刊

第一作者： Jiao, Yinzhu

作者： Jiao, Yinzhu;Yi, Yanli;Jiao, Yinzhu;Feng, Liangshan;Sun, Zhanxiang;Yang, Ning;Zheng, Jiaming;Yu, Jialin;Zheng, Muzi;Zhang, Lizhen

作者机构：

关键词： Rain-fed farmland;soil water-holding capacity;water-use efficiency;zone subsoiling

期刊名称：OPEN LIFE SCIENCES （ 影响因子：0.938； 五年影响因子：1.154 ）

ISSN： 2391-5412

年卷期： 2017 年 12 卷 1 期

页码：

收录情况： SCI

摘要： A 3-year field research was conducted to investigate the effect of four subsoiling methods on maize yield and water use efficiency. These four subsoiling methods included bulk subsoiling in autumn (BS), annual ridge subsoiling in autumn, annual furrow subsoiling in early summer, and interannual alternate zone subsoiling (AS), which were compared with rotary tillage in spring. The results suggested that the bulk density of the soil was alternately changed by AS, but AS had limited effect on the average water storage in the soil. Overall, soil tilled by BS and AS maintained a high water-holding capacity, which could stabilize the yield of maize under varying rainfall across different years. Maize under the AS subsoiling method maintained a relatively higher production capacity and water-use efficiency compared with those under the other three types of subsoiling methods.

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