黑土 的英文怎麼說

中文拼音 [hēitǔ]
黑土 英文
black earth; black soil
  1. The causes and countermeasures of black earth loss in yushu city

    榆樹市黑土流失成因及治理對策
  2. Research on the measure to water and soil erosion prevention in black earth area

    黑土地區防治水土流失的對策研究
  3. Research on soil moisture index of dry crops in caked calcium carbonate black earth

    砂姜黑土區旱作物土壤墑情指標研究
  4. Within days of a spring burn, the black earth shows green again, as new shoots grow from roots unscathed by the flames

    隨著春光照耀，在火中倖存的根抽出新芽，黑土地又綠了起來。
  5. Origin and prospecting significance of guanyin temple lead - bearing black earth in the surrounding region of yongping copper deposit in jiangxi

    永平銅礦外圍觀音寺含鉛黑土成因探討及找礦意義
  6. The black earth is a kind of alfisol, with a thick layer of humus, loose texture, high fertility, high porosity ratio, poor permeability and a high content of clay, which is suitable for cultivation

    摘要黑土是一種腐殖質層厚，質地鬆散，肥力很高，孔隙比較大而透水性差，粘粒含量高，適于耕作的淋溶土。
  7. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。
  8. On the basis of the government ' s policy of revitalizing the northeast old industrial base, preventing black earth from degeneration and strengthening protection of black soil in china, according to analysis of the distribution of black soil and the present research of black earth degeneration, the author summarized the main degradation type of black earth, revealed main reasons for its degradation, put forward some measures to prevent black earth from degrading and protecting black earth in addition, the author put forward the new and further direction to study the degradation of black earth on the basis of the existing study, and hope to play a role of inducing purpose in assuring sustainable utilization of black earth resource and furthering study

    在國家振興東北老工業基地和防止黑土退化及加強黑土保護之際，通過對黑土分佈狀況和黑土退化研究現狀的分析，總結出黑土退化方式，揭示了其退化的主要原因，提出了防止黑土地退化和保護黑土地的措施，在現有研究的基礎上提出黑土退化研究的新方向，希望能為黑土資源可持續利用和進一步研究起到拋磚引玉的作用。
  9. Effect of cropping system on the manganese in lime concretion fluvo - aquaic soils

    耕作改制對砂姜黑土中錳的影響
  10. The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits

    分等結果表明：臥龍區等的耕地中，有87 . 6分佈在沖積、湖積平原區，主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土；等耕地中，有61 . 4分佈在壟崗區，主要土壤類型是洪坡積物上發育形成的黃褐土：而、等耕地集中分佈在丘陵區，主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土，等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。
  11. Jurisprudential thought on srengthening protecting geographical indication of cold region and black glebe

    關于加強寒地黑土地理標志權保護的法理思考
  12. Correlation analysis between black soil textures and total carbon, nitrogen, phosphorus, kalium contents in shuangcheng cropland

    雙城市農田黑土機械組成與土壤全碳和全氮磷鉀養分含量的相關性分析
  13. That sort of wool reached its peak out on the black-soil plains of northwest new south wales and southwest queensland.

    這種品種的羊毛只出產在新南威爾士的西北部和昆士蘭南部的黑土平原上。
  14. The shovelfuls of loam, black as et, brought there by the river when it was as wide as the whole valley, were an essence of soils, pounded champaigns of the past, steeped, refined, and subtilized to extraordinary richness, out of which came all the fertility of the mead, and of the cattle grazing there

    一鏟一鏟的黑土，像墨玉一樣漆黑，是在河流還同山谷一樣寬闊時被沖到這兒的，它們是土壤的精華，是過去被打碎的原野經過浸泡提煉，才變得特別肥沃，從這種土壤里又長出豐茂的牧草，喂養那兒的牛群。
  15. Influence of nitrate - n space time differentiation to ch. cabbage nitrate content in black soil

    黑土土壤硝態氮時空變異對蔬菜硝酸鹽含量的影響
  16. When the black topsoil was all washed away, farmers moved westward and started new plantations.

    當表層黑土全部被沖走之後，農民們就向西部轉移，建立新的種植園。
  17. The study showed that n and p runoff concentrate in storm is higher that norm. with the cover level increasing and different utilization manners, losses of n and p nutrient showed notable divergence. ( 2 ) with the increasing of rainfall and rainfall intensity, losses amounts of runoff silt in fallow field, com field and orchard field showed rising, while was stable in grass field

    黑土徑流泥沙流失量，總的趨勢是隨降雨量、降雨強度增加，休閑地、玉米地、果園的流失量有增加的趨勢，而草地泥沙流失量無增加的趨勢，基本衡定；徑流泥沙流失量及泥沙n 、 p流失隨植被覆蓋的增加而降低。
  18. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  19. Chi zi - jian fiction and folk - custom in black - land

    遲子建小說與黑土民俗
  20. The erosion gully can be classified into 5 types according to the erosion stage, the gully shape, the state of erosion or sedimentation in gully bottom, the erosion type along the gully edge, and so on

    根據東北黑土漫崗區侵蝕溝的發展階段、形態特徵、侵蝕溝底沖淤狀況、侵蝕溝邊坡擴展方式等，將該區侵蝕溝分為順犁溝、淺溝、切溝、沖溝和槽溝5種類型。
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