characteristics of soil fertility 中文意思是什麼

characteristics of soil fertility 解釋
土壤肥力特徵
  • characteristics : 產品性能描述
  • of : OF ＝Old French 古法語。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  • fertility : n. （opp. sterility）1. 肥沃，豐饒；肥力，肥（沃）度；（土地的）生產力。2. 【生物學】能育性，繁殖力。3. （思想等的）豐富。
  1. In the meanwhile, the best community that was picked out from natural deciduous broad - leaved forest was taken as contrast. and the hight, dominance, soil fertility, coverage, composition and biomass of the community were used as community characteristics parameters to comprehensively evaluate the restored degree of communities at different restoration stages

    同時，在天然闊葉落葉林中選取一個最佳群落作為參照，運用群落高度、顯著度、土壤肥力、蓋度、組成結構和生物量6個指標為群落特徵參數，對各個階段群落恢復的程度進行了綜合的評價。
  2. 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

    研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。
  3. The basic fertility characteristics, and soil microbes and the relationship between them were investigated on paddy fields of purple soil, where no - tillage and ridge culture had been practiced for twelve years. the advantages and disadvantages were contrasted among five culture modes ( conventional culture, no - tillage and fallow in winter, no tillage and ridge culture, no - tillage and box culture, and the rotation of paddy and upland )

    通過對12年免耕的稻田的土壤微生物和基本肥力特徵研究，找出二者之間的關系，指出免耕耕作方式養分增加、肥力提高的主要原因是作物秸稈的加入以及免耕改變了土壤的水、熱、氣、肥條件，並因此而探索影響秸稈分解的因子，找出微生物種類和有機、無機肥料的更好搭配。
  4. Desert and oasis ecosystem are the main ecosystems in arid area. studying the characteristics of decaying process, decaying remainders and soil humic acids can accumulate the first hand data for studying the accumulation and decomposition of soil organic matter, the situation of soil fertility, substance cycling and energy flowing in desert - oasis ecosystem, and has the great significance on desert ecosystem restraint and oasis ecosystem extension

    研究荒漠綠洲生態系統中植物殘體在土壤中的腐解過程及腐解物和腐殖物質的特徵，可為研究荒漠綠洲生態系統中土壤有機質的累積和分解、土壤肥力狀況和荒漠綠洲生態系統的物質循環和能量流動積累寶貴的第一手資料，對于抑制荒漠生態的惡化，促進綠洲生態的發展具有重要意義。
  5. The soils and sediments organic matter ( som ) are highly heterogeneous and comprise various complex organic macromolecules such as humus, kerogen, black carbon ( bc ), etc. the relative abundance, characteristics and structure of these som play a important role on the global carbon cycles, global change, transformation and fate of the organic and inorganic pollutants, the soil fertility

    土壤和沉積物有機質是高度非均質的，包括許多復雜的有機高分子聚合物如腐殖質、乾酪根、碳黑等。這些有機質的相對含量，性質和結構對全球碳循環，全球氣候變化，有機和無機污染物在自然界的遷移、轉化和歸宿，土壤的肥力等有非常重要的影響。
  6. Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures

    本論文依託巫溪縣水土保持生態修復項目，運用模糊層次分析方法，進行退化生態系統的景觀健康評價體系設計與健康等級分析；通過對比研究巫溪縣與另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析，揭示巫溪縣土地利用格局上的退化特徵；提出與水土保持治理相結合起來的生態恢復模式；引用土壤肥力質量指數，對生態修復區不同生態恢復演替階段群落及不同時期坡改梯、休耕地與封山育林三項生態修復措施的土壤肥力質量分析與對比。
  7. Decomposition characteristics of straw return to soil and its effect on soil fertility in purple hilly region

    紫色土丘陵區秸稈還田的腐解特徵及對土壤肥力的影響
  8. Characteristics of soil fertility under pure pinus tabulaeformis forests and shrubs in badaling mountain area of beijing

    北京八達嶺地區油松與灌叢林土壤肥力特徵的研究
  9. Using corn straw and soybean straw, the characteristics of the decaying process and the remainders, the difference of soil fertility status and soil humic acids character in different using ways are studied by normal analysis combined with energy analysis, thermal analysis ( dta, tg, dig ) and infrared spectrum analysis ( ftir )

    本文以玉米秸和大豆秸為腐解材料，通過常規分析方法結合能態分析、熱分析（ dta 、 tg 、 dtg ）和紅外光譜（ ftir ）分析研究了荒漠綠洲生態系統下殘體的腐解特徵以及不同利用方式下土壤養分和土壤腐殖質的變化。
  10. Academician hou guangjiong, who summarized the experiences from peasants in sichuan province, promoted the no - tillage and ridge culture in 1982 that has two sides of meaning of its name : one is simulating the physical and ecological characteristics of originally moist soil ; the other means rhat the basic characteristic of perfect soil fertility is no - tillage. the key of no - tillage is the supply the past crop residue to soil

    1982年侯光炯院士根據四川農民和農村科技工作者的實踐經驗，在總結覆蓋免耕和殘茬免耕的基礎上提出了自然免耕制，其名稱有兩方面的涵義，一是模擬自然土高肥力的生理生態特徵；二是說明高肥力的基本特徵是免耕。
  11. Abstract : based on the investigation and sampling analysis data, soil type and distribution, soil fertility characteristics, land utilization status, land resource quality and main problem in dongxin village were evaluated. the measures and approaches of soil amendment, fertilization and rational utilization were presented

    文摘:根據調查采樣分析資料，論述了東新村土壤類型與分佈、土壤肥力特徵、土地利用現狀和土地資源質量以及土地資源利用中存在的主要問題，提出了改良、培肥和合理利用的措施和途徑。
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