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  • Title: [Effects of deep plowing and mulch in fallow period on soil water and yield of wheat in dryland].
    Author: Deng Y, Gao ZQ, Sun M, Zhao WF, Zhao HM, Li Q.
    Journal: Ying Yong Sheng Tai Xue Bao; 2014 Jan; 25(1):132-8. PubMed ID: 24765852.
    Abstract:
    A field test was carried out in Qiujialing Village, Wenxi, Shanxi from 2009 to 2011 to study the soil water movement of 0-300 cm layer, yield formation and water use efficiency (WUE) of wheat with deep plowing and mulching the whole ground immediately (no mulch as control) 15 days and 45 days after harvest. The results indicated that deep plowing and mulch in fallow period could improve soil water storage of the 100-180 cm layer before sowing, the soil water storage efficiency in fallow period, and soil water storage from pre-wintering stage to booting stage. Compared with deep plowing 15 days after wheat harvest, deep plowing 45 days after wheat harvest did better in improving soil water storage and water use efficiency, as well as ear number and yield, which was more conducive in the year with more precipitation. Generally, deep plowing and mulching after raining during fallow period could benefit the soil water storage and conservation, thus would be helpful to improve wheat yield in dryland.
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