改良土壤結構 的英文怎麼說

中文拼音 [gǎiliángtǔrǎngjiēgòu]
改良土壤結構 英文
improve soil texture
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 良 : Ⅰ名詞1. （善良的人） good people 2. （姓氏） a surname Ⅱ形容詞（好） good; fine; nice Ⅲ副詞（很） very; very much; indeed
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 改良 : 1 （去掉事物的個別缺點 使它更適合要求） improve; ameliorate 2 （改進） reform; 改良牧場 improved ...
  • 結構 : 1 （各組成部分的搭配形式） structure; composition; construction; formation; constitution; fabric;...
  1. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。
  2. In some countries, especially france, gypsum is used agriculturally as a structure-improving agent for the soil.

    在某些國家中，尤其是法國，石膏在農業上用作為土壤結構改良劑。
  3. To the losses, the paper takes the rate of loss in grain as index ; to natural factor, the paper establishes mathematical model according to the change on meteorological factor in one year and between years ; to human factor, for its complexity, the paper takes two - grade index. beginning with the water conservancy index, plant structure index, ecology index, soil improvement and water - soil conservation index, policy index, adopting the way of weight, it combines them into human factor

    對于旱災災情，本文採用糧食損失率為指標；對于自然因素則主要根據氣象因子的年際和年內變化建立數學模型；對於人為因素，考慮到它的復雜性，採用二級指標，先從水利指標、種植結構易旱指標、生態指標、土壤改良水保指標和政策指標入手，再用權重法，將它們合成為人為因素。
  4. Pam treatment can prevent the disintegration of soil aggregates, even improve the structure of soils and prevent crust formation. pam, with high viscosity, can significantly increase water infiltration

    Pam具有良好的黏結力，能有效改良土壤的表層結構，維護了土壤孔隙連通性，增加土壤的入滲率。
  5. Abstract : based on analysis of status and structure of land resources in tengxian, it is pointed out that its limited conditions are such as less and bad land and problemes are such as unreasonable texture and no care on land use, and the suggestions and countermeasures correspondly by the idea of sustainable development such as land improving and land use control and population control have been given

    文摘:在分析藤縣土地資源現狀的基礎上，指出了不利於土地持續利用和開發的地少質差、土地利用結構不合理及重用輕養等主要問題，並根據可持續發展的思想提出了改良土壤、用途管制、控制人口等對策。
  6. ( 3 ) the key link in establishing agroforestry is to select fine plant species in accordance with local natural condition. to make full use of the coexistence and to avoid rejection between different species is very important in obtaining the utmost benefits. ( 4 ) agroforestry systems with rational structure could conserve soil and water, ameliorate soil property, raise land use efficiency and increase the system productivity and achieve significant ecological, social and economic benefits

    另外在物種選擇時要做到適地適樹，並且要與當地主導產業結合，產生規模效益， （ 4 ）良好結構的農林復合經營系統能夠保持水土，改良土壤，提高土地利用率和系統生y兩南農業大學碩十學位論文產力，獲得更好的生態、社會和經濟效益。
  7. It was showed that forest with good structure could improve the soil noncapillary porosity and water conversation function, and it was implied that forest with rational structure stored rainfall and surface runoff quickly

    表明具有良好結構的林分，可有效改善土壤非毛管孔隙度和滯留貯水功能，從而有效地提高對降雨的快速貯存以及蓄洪與涵養水源作用。
  8. According to natural conditions of the area, natural rules and systematic engineering principle, a series of countermeasures were propased such as improving forest cover degree, enhancing water conservancy project, adjusting agricultural production constitution, combining engineering measures with ecological measures to restore mine ecosystem and to take comprehensive measures to control soil erosion so as to improve ecological environmental quality in watershed between the yangtze river and the huaihe river

    針對研究區域的自然環境條件和社會經濟狀況，按照系統工程的原理，從遵守自然規律的角度出發提出了提高森林覆蓋率，加強水利工程建設，改良土壤，因地制宜調整農業產業結構，工程措施與生物措施相結合進行礦山修復，治理水土流失，搞好生態環境保護規劃，大力發展生態旅遊，提高公眾的環境意識，依靠科技進步促進地方經濟發展的一系列改善江淮分水嶺地區生態環境問題的對策。
  9. A good forest structure could improve the even degree and range of distribution obviously, and improve the porosity ; the fractal dimension ( fd ) and mean weight diameter ( mwd ) could sign the soil structure feature objectively

    良好的林分結構能明顯提高土壤粒徑的分佈均勻程度與范圍，改善土壤孔隙狀況；分形維數和重量平均直徑能比較客觀地表徵土壤結構特徵，是較為理想的土壤結構測定指標。
  10. Then, the part analyses in greater detail the mechanism of forming drought. it thinks the causes of agricultural drought includes human factor as well as natural factor, and human factor acts on agricultural drought in several ways as follow :. water conservancy facilities, ecology environment, crops and plant structure, soil improvement, water and soil conservation etc. the third part is the quantitative analysis about human factor of agricultural drought over last soyears in xiushan county

    這一部分首先概述了秀山縣的自然條件、社會經濟狀況和歷年來旱災發生的特點，然後詳細分析了農業旱災的形成機制，指出在農業旱災的成因中既包括自然因素又包括人為因素，且人為因素主要在水利設施、生態環境、作物及種植結構、土壤改良與水土保持保措施等幾個方面影響旱災。
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