表土中耕 的英文怎麼說

中文拼音 [biǎotǔzhōnggēng]
表土中耕 英文
surface cultivation
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 耕 : 動詞1. （用犁翻地） plough; plow; cultivate; till 2. [書面語] （謀生） make a living
  1. 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。
  2. ( 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。
  3. The no - tillage and culture focus more on creating better conditions for microbe decomposing the crop residue compared with no - tillage. there are four principle in it : 1 ) successive capillary water circulation ; 2 ) successive no - tillage ; 3 ) successive multiple crop rotation ; and 4 ) successive " ridge and furrow culture ". by these devices taken, the soil accumulate more organic matter in shorter period compared with general no - tillage

    將秸稈混入土壤中分解，壟、溝搭配，保持土壤的浸潤狀態和連續植被，不僅解決了覆蓋免耕制中有機質分解、轉化慢的問題，而且使輸入土壤的有機質分解、轉化更加迅速，所以在促進土壤有機質循環方面自然免耕製表現出明顯的優越性，土壤有機質遂表現為快速的增長。
  4. The experiment was conducted to determine the influence of different regulation and control methods of soil moisture, such as plastic film mulching, covering grass under trees, growing grass under trees, irrigating regularly, loosening the soil under trees, on quality of fruit in a non - public nuisance crisp pear garden in the area of old course of yellow river

    摘要以45年生酥梨樹為試材，分析測定塑料薄膜覆蓋、樹盤覆草、自然生草、定期灌水、清耕等不同土壤水分管理措施對土壤水分和酥梨品質的影響，結果表明：塑料薄膜覆蓋和樹盤覆草處理中，土壤含水率比較適宜，且變幅較小，有利於果實生長發育和提早著色，提早成熟，產量和品質較好；其它處理中土壤含水率要麼過高，要麼過低，且變幅較大，酥梨的果實品質也比較差。
  5. , according to the theories and methods on land exploitation, reclaimation and arrangement, analyzes the present situation of land utilization in taian city, points out the characteristics and problems of land utilization, and analyzes the advantanges and disadvantanges of furthering land exploitation, reclaimation and arrangement. the study measures and analyzes the potential of kinds of exploitable, reclaimable and arrangeable land. the total potential of complementary land by land exploitation, reclaimation and arrangement in the whole city is 55947. 4 hectares, among which the potential of complementary land by agricultural land arrangement is 28152. 88 hectares, by village habitation arrangement is 11671. 1 hectares, by land exploitation is 8240. 84 hectares, and by land reclaimation is 7882. 62 hectares. then the author

    測算分析了各種可供開發復墾整理土地的潛力。研究結果表明:全市土地開發復墾整理補充耕地的總潛力為55947 . 4公頃，其中，農地整理補充耕地潛力為28152 . 88公頃，農村居民點整理補充耕地潛力為11671 . 1公頃，土地開發補充耕地潛力為8240 . 84公頃，土地復墾補充耕地潛力為7882 . 62公頃。編制了2001 - 2010年泰安市土地開發復墾整理規劃。
  6. Conservation agriculture helps to retain crop residue on the soil surface to minimize water and wind induced soil erosions. consequently, sand storms are reduced. it also leads to increases in soil organic matter by sequestrating atmospheric co2 to reduce greenhouse gas effects

    20世紀80年代，我國科技人員開始對保護性耕作技術進行試驗研究，通過研究表明，在中國實施保護性耕作可以起到蓄水保墑節本增效抑制農田揚塵增加土壤有機質的作用，具有明顯的經濟生態效益。
  7. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上，應用分類結果比較法，在gis各種空間分析功能（幾何量算、統計分析、疊加分析及緩沖區分析）的支持下，對該區土地利用變化進行了如下分析：土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明：該區土地利用變化主要表現為耕地大量減少，斑塊破碎化；交通用地沿二環線呈放射狀向四周擴展；城鎮用地沿交通干線向西南方向擴張迅速，用地趨于集中；農村居民點和工礦業用地增加，用地趨于分散；其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  8. 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。
  9. 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。
  10. 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。
  11. The outcomes show that the sequence of soil erosion of types of land use in different regions is different and the sequence of soil erosion of types of land use in different periods of the same regions is uncertainty ; the occurred rate of soil erosion of new wasteland is higher than that of idle wasteland for years ; the occurred rate of soil erosion of grassland is higher ; the occurred rate of soil erosion of non - irrigated farmland is high and the soil erosion intensity of land used for construction is great during construction and becomes smaller after completion

    結果表明：不同區域土地利用類型的土壤侵蝕序列各不相同，而同一區域不同時期土地利用類型的土壤侵蝕序列不確定；新出現的難利用地比長期閑置的難利用地土壤侵蝕發生率高；草地土壤侵蝕發生率偏高；耕地中旱地的土壤侵蝕發生率高；建設用地建設時土壤侵蝕強度大，而建成後土壤侵蝕強度小。
  12. The results show that ( 1 ) the system of contour dams, contours and fallow had positive impact on water and soil losses than grass stripes and contour ditch. at the same time it was showed that contour dams, contours, fallow significantly reduced soil erosion and water loss, grass stripe and contour ditch had recorded reduction in water and soil losses although to a much less extent than above 3 farming systems. most of sediment was bed load in all the systems except in contour dams and contour fanning

    研究的主要結論如下： 1 、運用坡面徑流小區法系統地研究了當地農業生產活動中不同農作措施下紅壤坡耕地水土流失特徵、土壤養分流失規律及形態特徵，結果表明： （ 1 ）同順坡農作措施相比：其它農作措施均具有明顯減輕水土流失的作用，等高土埂，等高農作、休閑處理控制水土流失的效果優於水平草帶和水平溝處理。
  13. 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。
  14. But there are no report of the design and research on bionic adhesion decreasing efficiency of the standard disk plow that has a great difference to other soil touched component on working manner and force support status currently. in this paper, standard disk plow was selected to be research object. with disk plow referred as bionic components and the theory of soil touched component adhesion decreasing and resistance reducing applied, we modified its shape and promoted its property

    本文選擇標準型圓盤犁作為試驗研究對象，以圓盤犁刀為具體的仿生設計部件，運用觸土部件減粘脫土理論，在仿生表面改性、改形研究以及傳統圓盤犁刀結構基礎上，首先對圓盤犁刀進行了若干種仿生非光滑結構不同組合設計，繼而製作了兩組試驗用仿生圓盤犁刀，最後對設計加工的仿生圓盤犁刀，分別進行了正交試驗設計和二次回歸試驗設計，在室內土槽中進行了研究條件下的耕作試驗。
  15. 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。
  16. The main result is as follows : 1. after erosion, the content of organic matter, total nitrogen and the available nitrogen in the sediment is more than that of soil sample. namely the enrichment phenomenon of organic matter, total nitrogen and the available nitrogen in slope cultivated land erosion soil is obvious

    黃?土受侵蝕后，泥沙樣中有機質、全氮和堿解氮的含量都高於雨前採集的坡地表層土樣，即黃?土坡耕地水土流失中有機質、全氮和堿解氮流失的「富集」現象明顯，而全磷和速效磷卻無明顯的「富集」現象。
  17. Finally, these models were tested in the prime farmland protection planning of a village of wanbailin district, taiyuan city, shanxi province. the results showed that the models meet the demands of orientation and quantity - fixing of polygon partition during prime farmland protection planning mapping automatically. the research can provide technical supports for mapping automatically during prime farmland protection planning and the optimal allocation of territorial land use

    最後結合山西省太原市萬柏林區圪鐐溝村的基本農田劃定工作，進行了耕地圖斑定積分割決策模型的實證研究，結果表明，本文建立的模型能有效地達到基本農田保護區劃定自動化成圖中圖斑分割定位、定量的要求，從而為實現基本農田保護區劃定成圖自動化提供技術支持，也為區域土地利用優化奠定技術基礎。
  18. The land evaluation result ofhandan district show : 19. 7 % land is unsuitable for agricultural use for soil erosion risk ; 2. 5 % land is unsuitable for agricultural use for poor soil water condition ; 9. 5 % land is marginally suitable because water or nutrition condition is not good enough ; 68. 3 % land is suitable or very suitable for agricultural land use. the third part is the application of soter land information system in land use analysis based on statistical method and clue - s model. through land use analysis in handan, the main type of land use in handan is agricultural land use

    土地利用整體結構在1980 - 2000年沒有發生太大變化，只是林地上升至第2位形成耕地、林地、草地-城鄉工礦居民用地、水域、未利用土地的結構；邯鄲地區土地利用結構空間分佈研究表明：西部山區土地利用結構為林地、草地、耕地、水域、建設用地和未利用土地；中部丘陵臺地區土地利用結構為耕地、草地、建設用地、水域、林地和未利用土地；東部沖積平原區土地利用結構為耕地、建設用地、林地、水域和草地。
  19. 4. the results show that during the 1990 - 1995, the land use type mainly is infield and garden in qian county experiment area, the land use structure is changing all the time and the rate of annual change is 16. 49 %, in which the infield and grassland decrease 8. 40 % and 2. 55 % while the garden and forest increase 7. 43 % and 2. 29 % ; the type of land use type changing is mainly infeile and grassland to garden and forest, in which 68. 43 hm2 infield chang to garden, 5. 74 hm2 infield chang to forest, and 19. 19 hm2 grassland chang to forest

    監測結果表明，在1990 ? 1995年間，乾縣試區的土地利用類型以耕地和果園為主，土地利用結構不斷發生著時空變化，年均變化速度為16 . 79 ，其中耕地與草地分別減少8 . 40與2 . 55 ，而園地與林地分別增加了7 . 43與2 . 29 ；土地利用轉換方式以耕地、草地轉為園地、林地為主，其中耕地68 . 43公頃轉為果園， 5 . 74公頃轉為林地， 19 . 19公頃天然草地轉為林地。
  20. 2 land use characteristics in ecotone between agriculture and animal husbandry. this paper analyses the farmland and grassland dynamic change spatial pattern in ecotone between agriculture and animal husbandry during recent tens years. in the view of farmland and grassland dynamics pattern during ten years, the main farmland change is it shifting forest and grassland

    從我國農牧交錯帶近十年的耕地、草地變化的空間格局看，整個農牧交錯帶的土地利用變化，從耕地的變化看，主要表現為耕地變林、草，以內蒙古的變化為大，主要分佈於它的中、東部地區。
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