耕作表層的 的英文怎麼說

中文拼音 [gēngzuòbiǎocéngde]
耕作表層的 英文
anthropic
  • 耕 : 動詞1. （用犁翻地） plough; plow; cultivate; till 2. [書面語] （謀生） make a living
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 耕作 : tilth; tillage; cultivation; farming
  • 表層 : skin layer; superficial coat; veneer; surface; sexine; bloom; supercrust; surface layer表層沉積 [...
  1. 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。
  2. 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。
  3. ( 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。
  4. According to the development of urban system, domestic and international scholars bring forward some concepts on it, such as metropolis district, urban agglomerations and metropolitan interlocking region and so on. these concepts are used to analyze the space appearance of urbanism, which is composed of central city, city edge district, urban district and satellite town. on the basis of these, the author puts forward the concept of urban region. the urban region can be divided into great urban region, medium urban region and essential urban region

    隨著一定地域內城市體系的不斷完善，國內外學者提出了大城市地區（ metropolitandistrict ） 、城市群（ urbanagglomerations ） 、都市連綿區（ metropolitaninterlockingregion ， mir ）等對不同規模和層次的城市體系進行描述的概念，這些概念是地域城市化的特殊空間表現形式，是對由中心城市、城市邊緣區、城市遠郊區、衛星城市、人口聚集區的中間地帶及精耕細作的傳統農業地帶等空間要素綜合歸納的結果。
  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. 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。
  7. 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。
  8. On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand

    在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上，首先對小城鎮在我國的發展、地位和作用進行了深入的分析，判明我國小城鎮發展經歷了一個曲折向上的發展階段，已成為鄉鎮企業的載體，農村剩餘勞動力的蓄水池，城鄉物資交流的樞紐，農村精神文明的基地，是我國城市化的重要途徑；其次，對小城鎮土地資源利用現狀和特徵進行了探討，並對發展小城鎮建設導致的土地利用問題進行了剖析，表明目前我國大多數小城鎮土地效益和規模效益低下，佔用耕地過多，直接影響農業的發展，影響小城鎮的地位和作用；通過小城鎮土地供需分析研究表明，我國土地短缺十分嚴峻，小城鎮土地需求缺口較大，小城鎮必須合理利用現有土地，增強集約功能和土地經濟效益，從而緩解需求壓力；最後，論文通過運用特爾菲法，描述統計分析法、多元統計分析（主成分分析）法和系統分析法中的層次分析法（ ahp ）等一系列方法，結合定性和定量兩方面，從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析，篩選、建立了土地資源利用評價指標體系，在因子評價的基礎上，建立了土地利用綜合評價模型，並給出了評價過程和方法。
  9. 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。
  10. According to our analysis, the farmers in quzhou are in the second phase, which means they already have enough food and put much more inputs for earning high yield and high income. ( 4 ) the ground water table was getting down, caused by precipitation decreasing, no river water coming due to the upstream reservoir, complete drainage in rainy season and irrigation using groundwater

    （ 4 ）自然降水量的降低、上游水庫的攔蓄，使平原失去了獲得水源的機會；內部防洪排瀝體系的完善，致使入滲補充地下水減少；耕地灌溉率的增加，導致農業用水量不斷加大，這些因素共同作用使區域水資源失去平衡，引起地下水位的下降，從而促使鹽漬土表層脫鹽。
  11. Experimental soil used in this study was from inner mongolia, typical loess sampled from top layer of cultivated soils

    試驗土樣取自於內蒙古清水河地區耕作表層土，是典型的黃綿土，為淡黃色。
  12. Organic matter is higher at the soil surface because plant residues from either grasslands or no - till are left on the surface whereas residues in conventional fields are mixed in the soil ; giving uniform organic matter

    在草地和免耕方式下，植物殘體留在土表，所以表層土壤的有機質含量較高，而在傳統耕作制下，植物殘體被翻入土內，所以各層土壤中有機質含量差別不大。
  13. Even though potassium is stratified under reduced tillage （ as it is in a permanent sod ）, it is apparent that roots proliferate sufficiently near the soil surface to assume adequate potassium uptake by crops

    雖然在少耕制下，土壤鉀有明顯的分層分佈（象永久性草地一樣） ，但在土表附近，作物根系發達保證作物對鉀有足夠的吸收。
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