旱境土壤 的英文怎麼說

中文拼音 [hànjìngtǔrǎng]
旱境土壤 英文
arid soil
  • 旱 : Ⅰ名1. （沒有降水或降水太少） dry spell; drought 2. （非水田的; 陸地上的） dryland 3. （陸地交通） on land Ⅱ形容詞（乾旱） dry; arid
  • 境 : 名詞1 （疆界; 邊界） border; boundary 2 （地方; 區域） place; area; territory 3 （境況; 境地） co...
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  1. As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability

    龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量；增加土壤含水量和貯水量，減緩和減少土壤的水分蒸發，增強土壤的抗旱能力；降低土壤盛夏的地表最高溫度，減少地表溫度變化幅度。
  2. Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus

    林下植被對半乾旱區不同密度刺槐林地土壤水分環境的指示作用
  3. Effect of straw cover on wheat yield and soil environment in dry land field

    稻草覆蓋對旱地小麥產量與土壤環境的影響
  4. The studies on the effects of temperature and soil water content for the number of oribatida and collembola were made. the results indicate that there are some effects for the number of oribatida and collembola. the difference on the most preferred temperature and soil water content for the growth of oribatida and collembola is not obvious. the preferred temperature is about 24. the preferred water content is about 16 %. the toleration on low temperature and drought for oribatida obviously is capable than that for collembola

    對不同溫度和土壤含水量甲蟎和跳蟲數量的關系進行了實驗觀察.結果表明，溫度和土壤含水量對土壤甲蟎和跳蟲的數量變動均具有一定的影響.甲蟎和跳蟲生長的最適溫、濕度差異不明顯，最適溫度約在24左右，最適濕度約為16 %的含水量.甲蟎耐受低溫、乾旱環境的能力明顯大於跳蟲
  5. In the area of watershed between the yangtze river and the huaihe river, there are a series of ecological environmental issues, such as fragile forest ecosystem, frequent drought damage, lake of water resources, serious soil and water loss and contamination by chemical fertilizer, pesticide and plastic membrane

    摘要分析了江淮分水嶺地區存在的森林生態系統脆弱，易旱多災，水資源短缺，土壤貧瘠，礦山開采過度，水土流水嚴重，化肥、農藥、農膜等農業化學品污染嚴重，農村生態環境退化等生態環境問題。
  6. As for western mountainous area of beijing, the key factor of survival lies in whether it can stand the drought environment factors, such as less rainfall, higher air temperature, lower humidity and less soil water, etc

    就北京西部山區而言，林分存活與否的關鍵在於其是否能夠經受住春季降雨少、氣溫高、濕度低、土壤殘留水分少等乾旱環境的考驗。
  7. Landforms, soil, climate and characteristics of distribution in time and space in ningxia of draughts, disasters caused by wind and sand, floods and waterlodgging caused by hail, frost injury and earthquakes. the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia, and the human activities and spreading of the deserts. the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry

    下篇是寧夏農牧業發展等因素與環境變遷的關系，這又包括三章：第七章是農牧業發展的自然條件，即地貌、土壤、氣候，以及歷史時期寧夏旱災、風沙災害、水澇災害、雹災、霜凍災害、地震災害的時空分佈特徵；第八章是寧夏農牧業發展等因素與環境變遷的關系，這包括人類活動與寧夏森林的變遷、人類活動與寧夏土地沙漠化的歷史演進兩部分；第九章是寧夏南、北農牧業生產力水平的地區差異及農牧業開發的經驗教訓。
  8. The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands

    描述:美國農業部保持與生產研究實驗室的主要任務是： 1 .開發水資源管理方案或灌溉技術，提高用水效率，減少地下水使用，改善土壤和水質； 2 .使水資源、土壤資源、氣候和養分資源達到最優化，以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展； 3 .開發可再生能源用於灌溉、畜牧飼養和發電； 4 .通過減少磷成分，降低飼養場廢棄物的環境風險，將其施用於牧草地，提高養分利用率。
  9. By analyzing the temperature, the quantity of heat, water conservancy, sunshine of the area of centrac zhejiang, and the corresponding relations between soil environment of dry - land and complete growth time of spring corn, we advance the appropriate measures

    摘要通過對浙中地區的溫度、熱量、水利、日照以及旱地土壤環境與春玉米生長全生育期對應關系的分析，提出了應用廣積土雜肥、增施有機肥、合理施用?性肥料、改善供水條件。
  10. Due to irrational land utilization, absurd assarting and herding, a series of environmental problems, such as sandy soil, grassland degeneration, soil and water loss, appeared, which severely threatened to survival and development of human being. it was proved that biomic - measure was the radical measure of ecology environment construction and harnessing. thus, a research on choosing a kind of grass, which was good, stronger stress resistance and faster growth velocity, was carried out

    黃土高原半乾旱區多年來由於不合理的土地利用和濫墾濫牧等現象，致使土壤沙化，草地退化，水土流失等一系列生態環境問題嚴重威脅著人類的生存與發展，多年的研究已證明，生物措施是生態環境建設與治理的根本性措施，因此，針對目前的自然現狀，選擇抗逆性強、生長快、生產中急需的優良牧草進行了定位試驗研究。
  11. The community productivity, structure and succession are significantly influenced by global climate changes. this study focused on soil respiration rate of stipa baicalensis grassland by using dynamic infrared gas absorbed method. we analyzed diurnal pattern of soil respiration rate and the influences of surface soil temperature and water content for this parameter, then compared the differences between day and night soil respiration rates, and explored the correlations between aboveground and underground biomass with the soil respiration

    溫帶的半乾旱、半濕潤區草甸草原屬于過渡氣候影響下形成的植被類型，對環境氣候條件變化十分敏感，為了揭示半乾旱、半濕潤區草甸草原生態系統土壤碳素釋放規律及其對主要環境因子的響應，本研究採用動態室紅外氣體吸收法測定松嫩草甸草原典型群落? ?貝加爾針茅群落土壤呼吸速率，分析了土壤呼吸速率日變化規律及表層土壤溫度和含水量對土壤呼吸速率日變化的影響，比較了土壤呼吸速率的晝夜差異，探討了地上生物量和地下生物量與土壤呼吸速率之間的相關關系。
  12. The paper, according to the natural environment conditions such as water - heat and soil etc. and the need of restoring the ecological environment, divides baiyin prefecture into five zones such as cold temperate - feeble wet, cold temperate - feeble drought, feeble temperate - feeble drought, feeble temperatedrought, feeble temperate - ultradrought zone and ten subzones of biological climate and for ecological restoration

    摘要依據白銀地區的水熱及土壤基質等自然環境狀況及生態恢復需要，劃分白銀地區為冷溫微潤、冷溫微干、微溫微干、微溫乾旱、微溫極干5個生物氣候及生態恢復區、 10個恢復亞區。
  13. The land resources of karst region in chongqing is mainly rock mountain and slope land, with serious soil erosion, converse vagetation succession and low cover rate, lesser water retention and lacking water, where ecosystem is difficult to recover after vegetation being destructed, land coming forth landification and sandification heavy

    市境內石灰巖山地土地資源以石山坡地為主，土壤侵蝕嚴重，發生逆向演替，植被逆向演替，覆蓋率低，保水能力差，乾旱缺水。在石灰巖區，植被破壞后，土地大量石化、砂化，生態環境已很難逆轉。
  14. ( 3 ) soil dried layer is the dual result of forest growth and arid climate, that is high density and extensive irrational cultivation accelerate the soil aridity

    4土壤干層的危害: （ l ）土壤干層的存在使局部小氣候環境趨于旱化。 （ 2 ）土壤干層導致了土地的退化。
  15. Water resources are in extreme shortage on the loess plateau, where serious soil erosion and drought often take place, so how to use soil water resources reasonably and effectively is of great importance to meet physiological water requirements of vegetation and improve eco - environment

    在嚴重土壤侵蝕和頻繁乾旱並存的黃土高原地區，由於水資源極端缺乏，因而如何合理、有效地利用土壤水資源就成為保證農作物和林草植被生理需水、改善生態環境的關鍵。
  16. 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。
  17. The growth condition of artificial locust woodland has the consanguineous relativity between soil water content, which have been the key factor effected forest growth, so we must saw about the soil water eco - environment in different site types when arraying the forest and grass construction. 4. in order to exploit the trend and rule of vegetation

    總之，黃土高原的土壤水分生態環境總體上處于乾旱缺水的狀態，在這種水分背景下，水分作為植物生存的基本生活因子，在黃土高原地區具有其特殊的生態學意義，它不僅影響植物的個體發育，而且決定著植物的類型，並限制植被的分佈。
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