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upland field中文是什么意思

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用"upland field"造句"upland field"怎么读"upland field" in a sentence

中文翻译手机手机版

  • 旱地

例句与用法

  • The investigations turned out that with the successive planting of crops the mainly available nutrients accumulated yearly under normal fertilization in the upland fields form yellow soil area , especially the content of p increased obviously
    在该地区目前的施肥水平下,旱地长期种植作物后土壤主要有效养分的含量都出现不同程度的增加,其中土壤磷的积累最明显。
  • Research in the translocation and transformation of phosphorus in soil - water system is of importance to environmental p management and controlling the eutrophication . a series of experiments and investigations in this paper were conducted to study the changes of p pool by a long - term applying fertilizer p , the translocation and transformation of phosphorus between interface of soil and water in relation to their environmental effects , using the upland fields from yellow soil area of guizhou province
    在贵州中部地区,通过对有代表性的黄壤旱地进行采样分析和盆栽试验,对其磷库变化及其环境影响进行了研究,同时采用无界径流小区试验、野外坡面径流小区试验以及模拟降雨径流试验对坡旱地地表径流中磷的含量水平、形态特征、生物有效性、迁移规律、磷流失量及其影响因素进行了研究。
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