Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
Supplemental topsoil and irrigation helped re-establish a seasonally-changing native grass and wildflower meadow.
补充的表层土和灌溉系统帮助这里重新成为了一片季节性花草原。
Supplemental topsoil and irrigation helped re-establish a seasonally-changing native grass and wildflower meadow.
补充的表层土和灌溉系统帮助这里重新成为了一片季节性花草原。
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