By these models, the simulations of water and heat transportation were performed under the full wheat straw mulch at summer corns in Heilonggang region, Hebei province.

应用该模型对河北省黑龙港地区秸秆覆盖条件下夏玉米的水热运移进行模拟。

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Taking bare surface as CK, this paper discussed effect of straw-mulch during wheat stage on soil water dynamic changes and yield of summer maize.

以不覆盖的处理为对照，研究了冬小麦期覆盖秸秆对夏玉米土壤水分动态变化及产量的影响。

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A field experiment was conducted on a Hongyou soil of Yangling to investigate the effects of irrigation and nitrogen fertilization on wheat yield under straw mulch.

通过田间试验研究了杨凌红油土农田秸秆覆盖条件下冬小麦的水氮效应。

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It recommends they use rice and wheat straw for mulch instead of burning it, rotate their crops, use a range of different seeds, manure their fields, and so on.

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