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保水保肥的英文

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"保水保肥"怎么读用"保水保肥"造句

英文翻译手机手机版

  • preserve moisture and fertility

例句与用法

  • High intensity fire can significantly destroyed the soil structure . after low and moderate intensity fire had little effect on degree of soil solidity and porosity , which was different from that on soil capability of preservation of water and fertilizer
    高强度火烧对土壤结构的破坏严重,而低、中强度火烧对土壤结构破坏不大,但对土壤的保水保肥能力影响显著。
  • The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor , gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity . the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion . according to investigation , surface erosion area occupies 80 % or so or erosion area , in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area
    研究结果主要包括: ( 1 )巫溪县生态退化特征表现:作为生物生长基质的部分土壤薄而贫瘠,保水保肥能力差,部分地区基岩裸露,土壤的不断退化导致植物种多样性减少,植物种群结构逐步由复杂趋向简单化;县内水土流失的类型主要包括面蚀和沟蚀两大类,据调查,面蚀面积占侵蚀总面积的80左右,其中坡耕地面蚀占耕地侵蚀面积的70左右。
  • The result indicated that straw mulching could increase soil porosity by 2 . 88 % - 5 . 76 % , reduce soil bulk density by 1 . 86 % - 3 . 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage , improve water - stable aggregate ; and increase soil organic matter , available n , available p , available k , improve soil perviousness and soil retention of water and fertilizer
    研究结果表明,与对照ck1 ,相比,秸秆覆盖可使土壤总孔隙度增加2 . 88 % ~ 5 . 76 % ,土壤容重降低1 . 86 % ~ 3 . 73 % ,并且各生育期覆盖处理的土城含水量均比对照高,并且秸秆覆盖还田对促进土壤团粒结构形成具有较大作用,改善了土坡通透性和保水保肥性;同时秸秆覆盖还田使土壤有机质、全氮、速效氮、速效磷、速效钾得到明显提高,从而培肥地力。
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