耕作層 的英文怎麼說

中文拼音 [gēngzuòcéng]
耕作層 英文
arable layer
  • 耕 : 動詞1. （用犁翻地） plough; plow; cultivate; till 2. [書面語] （謀生） make a living
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 耕作 : tilth; tillage; cultivation; farming
  1. 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。
  2. The most environmentally benign form of agriculture appears to be “ no till ” farming, which involves little or no ploughing and relies on cover crops and carefully applied herbicides to control weeds

    最環保的農業生產方式似乎是「免耕」播種，這一生產方式很少或不再耕作，依賴表層植被並謹慎使用除草劑。
  3. Test results have shown that the cultivable layer made of the filter cake of tailings mixed with appropriate coal ash powder, after one years fertilization and cultivation, can be used for planting crops and their production can pass that of the same local crops, which proves a good cultivation result

    試驗結果表明，尾礦濾餅添加適量粉煤灰的耕作層經過一年的培肥熟化后，即可種植農作物，其產量超過了當地同種農作物的產量，耕作效果良好。
  4. ( 3 ) the spatial analysis results showed that the variation of soil clay content was moderate at the direction of vertical section. the soil clay content was highest at the layer of 20 - 40cm, which showed that it is an eluvial accumulation horizon according to long - term cultivation, irrigation and rainfall

    （ 3 ）土壤粘粒含量在垂直方向上呈中等變異，整個土體在20 - 40cm土層處的粘粒含量最高，說明土壤表層由於長期耕作、灌溉降雨，土壤粘粒含量有一個淋溶淀積過程。
  5. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  6. The results show that the interface between the cultivated layer and the plough sole in the soil profile was undulated under the current cropping system mainly using small - sized four - wheeled tractors and flat under the cropping system of deep plowing annually in the fall

    結果發現，現行的以小四輪拖拉機為主要動力的耕作制度下，土壤剖面中耕層與犁底層的界面為「波浪型」 ，而年年進行秋翻的玉米田，其耕層與梨底層的界面為「平面型」 。
  7. Through the water and soil conservation, may establish the ecological environment, the water resources and the soil cultivation protection system, achieves sets up defenses in depth, control the water and soil loss, promotes the countryside ecological environment to transform to the positive cycle, enable the water and soil resources get effective protection, and creates the condition for the agricultural development

    通過水土保持，可以建立生態環境、水資源和土壤耕作保護體系，做到層層設防，節節攔蓄，控制水土流失，促進農村生態環境向良性循環轉化，使水土資源得到有效保護，並為農業發展創造條件。
  8. Because no tillage and minimum tillage reduce erosion and concentrate nutrients in the surface soil just below the residue cover, micronutrients generally are less often deficient than under conventional tillage

    由於少耕和免耕減少了水土流失，同時把養分富集在植物殘茬覆蓋下的土壤表層，所以，與傳統耕作制相比，少耕和免耕一般不易發生微量元素的缺乏。
  9. In all types of soil, lateritic red earth covered over 70 % of the total area, ranking first

    水稻土有較長耕作歷史，並已形成了潛育層和瀦育層，但土壤肥力並不高。
  10. The most economic way is to mechanically " bury " all the harvested straw under the ploughed layer straight away after the harvest, letting it be decomposed there

    最為經濟的還田方式是在土壤耕作之際將稻草全部翻壓在土壤的犁底層，讓其在此腐解。
  11. At present, with the development of land, there appear many phenomenon that soil structure was deteriorating, soil was getting hardened and impervious, black soil layer was getting thinner

    黑土是我國的主要耕作土壤，目前隨著土地的開發，一些地區土壤結構破壞，板結嚴重，黑土層變薄，地力減退。
  12. Standard specification for topsoil used for landscaping purposes

    園林設計用耕作層土標準規范
  13. A study on the variation and forecasting models of groundwater level and draining waterlogging in cultivated soil layers in the jianghuai valley

    江淮流域地下水位變化規律及預報模型與耕作層排漬模型研究
  14. And we found the model of moisture changing is " reduction - - - stabilization - - - reduction " while the former researchers " result is linearly reduction or reduction after a steady period

    我們提出的土壤接納降水后的土壤水分的變化模式是「遞減? ?穩定? ?再遞減」 ，特別是紫色土坡耕地的耕作層土壤水分明顯符合此模式變化。
  15. Article 32 the local people ' s governments at and above the county level may demand units which occupy cultivated land to use the topsoil of the land occupied for use in the newly reclaimed land, poor land or other cultivated land for soil amelioration

    第三十二條縣級以上地方人民政府可以要求佔用耕地的單位將所佔用耕地耕作層的土壤用於新開墾耕地、劣質地或者其他耕地的土壤改良。
  16. ( 2 ) after a rainfall, the soil moisture in the plot iii was the highest, it was 21. 33 %, and that of in the plot ii was the lowest ; meanwhile the conservation ability of the soil in the plot iii was the highest, that of in the plot ii was the lowest

    第1 、 2小區產生的泥沙量也大於其餘兩個小區。 （ 2 ）在一次降雨後的濕潤條件下，第3區的土壤耕作層含水量最高，為21 . 33 ；第4區次之，第2區最低。
  17. The available phosphorus contents of the run - off from the plot iii and plot iv were higher than that of other two plots " run - off. the nutriments of sediments from the four plots were higher than the nutriments of soil in the plots. the plot ii and plot iv had the higher enrichness degree of total nitrogen than the other two plots ; the available nitrogen enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available phosphorus enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available potassium enrichness of sediments from plot ivwas the highest, that of from plot ii was the lowest

    泥沙各種養分含量均高於小區內耕作層土壤中的相應養分含量，表現為：第2 、 4小區的流失土壤全氮養分富集度高於其餘兩個小區；第4小區流失土壤有效氮富集度最高，第2小區次之，而第1小區和第3小區的流失土壤有效氮含量與區內耕層土壤相似；各小區流失土壤中速效磷富集度為第4小區最大，第3小區最小；而第4小區耕層土壤中在流失過程中速效鉀西南農業大學二oo二屆碩士學位論文一積累量最大。
  18. Effects of tillage practices on temporal variations of soil surface properties

    夏玉米耕作方式對耕層土壤特性時間變異性的影響
  19. By the crop residue input, priming effects of soil irjcrobe will take place, and decomposition and bio - fixation give rise to soil organic matter arid m in the up layer of soil. on the other hand, tillage accelerate ; ; the organic matter mineralization and leads to the quantity of organic matter decreasing in. or 10cm. layer which is about 1 / 2 of soil organic matter under no - tillage

    覆蓋免耕使土壤上層的有機質和氮素穩定增加，這主要來自被激發的微生物繁殖時對碳和氮的生物固定，而傳統耕作則由於耕翻加速了有機物的礦化， 0 - 10cm土層微生物碳含量均一，其數值幾乎為免耕系統的一半。
  20. As aquifers are depleted and irrigation wells go dry, farmers either revert to low - yield dryland farming or, in the more arid regions, abandon farming altogether

    隨著蓄水層的枯竭和灌溉井的乾涸，農民不得不改種低產的旱地作物，在更為乾旱的地區，他們乾脆放棄耕作。
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