過度耕作 的英文怎麼說
中文拼音 [guòdùgēngzuò]
過度耕作
英文
over-cultivation-
Based on the national " ninth " five years " key project - study on the equipment and technique of raising and transplanting seedlings as the kind of factory, combining the no - tillage specialty which can shorten the working period and reduce the intension of dust devil, the key parts of corn no - tillage transplanter has been studied which can improve both the transplanting speed and reliability, reduce the labour intension of operator, further more, the method of automatic controlling whole working course has been applied by using single - chip microcomputer, the bedrock is made for transforming this technique into social productivity
本文在原來國家科技部「九五」攻關項目「工廠化育苗、移栽工藝及設備研究」的基礎上，結合免耕工藝不僅縮短作業時間，而且可以對防止沙塵暴發生有利的特點，對可以提高栽植速度和工作可靠性、降低操作人員勞動強度的玉米免耕栽植機的關鍵部件進行了詳細的研究，進一步採用單片機控制技術對其工作過程實現了自動化控制，為該技術盡快轉化為社會生產力打好基礎。As a southwesten autonomous county with national minority and typical area, the nature condition in youyang is bad and the economy falls behind and the soil erosion is serious. furthermore, the population increases quickly which results to steep slope farming and excessively opening up, so eco - environment accelerates rapidly. in the whole, youyang is an epitome of the area with soil and water erasion in western china
酉陽作為西南少數民族自治縣，區內自然條件差、經濟落後、水土流失嚴重，屬典型的水土流失型生態脆弱區，加之該區生產手段落後、經濟結構單一、而人口增長過快，導致人地矛盾尖銳，陡坡耕作、過度開墾，使生態環境加速惡化，因此，酉陽自治縣土地資源可持續利用可以作為西部水土流失型生態脆弱區的一個縮影。Instead subsistence farmers should exploit the fact that their labor costs are the lowest in the world, giving them a comparative advantage in growing and selling high - value, intensely farmed crops
不過印度的勞動成本是全世界最低的，自耕農應利用他們的相對優勢，來種植和販售需要深耕細作的高價值農作物。This paper reportsthe biological habits ， damage and occurrence regularity of common cutgrass. foreffectively controlling weed infestation in fields ， it is necessary to establish somerational farming and rotation systems and ameliorate chemical weed control system day byday
通過對李氏禾的生物學特性、發生規律及危害的闡述，提出只有通過建立科學合理的耕作和輪作制度及日趨完善的化學除草體系，才能有效地控制李氏禾的危害。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。3 based on the shape of conic plug, the profile modeling - annulus equipment which can make plug in a line is designed. this equipment can not only solve the plug lining - up problem in mechanizing way when plug seedlings are transplanted, but also can raise the working speed of no - tillage transplanter, and reduce the working intensity of operator
3利用圓臺形缽體的外形特點，採用仿形導向輪式排隊裝置，解決了栽植過程的缽苗機械化排隊問題，提高了免耕栽植機的作業速度，減輕了操作人員的勞動強度。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。Overgrazing ( again, widely practised by " traditional " cultures ) causes soil erosion and turns fertile pasture into desert
過度放牧（這同樣也被「傳統的」耕作所廣泛採用）導致了土壤浸蝕，並把肥沃的草原變成了沙漠。Therefore if you go to reseed or replant you garden come spring, do not over - till the soil but rather simply dig small holes to plant the new seeds or sprouted plants from your hothouse
因此，如果你在來年春季打算重新播種或改種，請不要過度耕作，而僅僅挖一些小洞來播種或移植來自溫室的幼苗。The plant kingdoms agree with this as over tilling the soil will disturb the natural biochemistry deep down that has sustained life of the plants the year before
植物王國同意這一說法：因為過度耕作會大大擾亂土壤的天然生物化學成分，從而使其失去前一年支持植物生命的能力。Based on the waste residue continuing to use the theory of pure gypsum as amendment in improving alkaline soil establish a plan that with saving resources, water and with better effect and rapid speed. reach on the effect of the same - ion effect and salt effect of nacl in course of improving the alkaline soil. then after the certain amount of gypsum for exertion is decided, compare the effect of exertion of waste residue for one time with for more than one time
首先比較煤煙脫硫廢渣與化學純石膏改良的物理化學過程的異同，在廢渣基本上可以沿用純石膏改良的理論基礎上，在一定的計劃改良深度內，定量的石膏施用方法的情況下，建立一個省石膏，省水，省工，效果好，速度快的方案；同時研究了nacl的鹽效應和na _ 2so _ 4的同離子效應在純石膏改良堿土過程中起到的作用；最後針對石膏施用量確定之後，一次施入還是分次施入更好，進行了探討；結合當地耕作條件，總結各有利的技術措施，指導田間的生產實際。He also said that canada would like to provide further support and assistance to the successful implementation of conservation agriculture system and enhanced application of conservation tillage technologies in china, through china - canada sustainable agriculture development project
他表示，加拿大將繼續通過中加可持續農業發展項目，進一步支持和幫助中國實施保護性耕作制度，推動保護性耕作技術在中國大面積普及和應用。The result corrected by former result was to judge the land to be suitable for cultivation or not. in the end, productivity index threshold under different suitable - levels was determined by analyzing the frequency histograms distribution of 4 productivity index. the result shows that the productivity index criteria of reserved land in beijing is that altitude 800 m, slope 15, soil depth 30 cm and gravel content 15 %
在生產性指標方面，以北京市土地開發復墾潛力調查評價為基礎，運用相關分析、主成分分析確定指標為海拔、坡度、土層厚度和礫石含量；對指標進行聚類，根據聚類結果對原有評價結果進行修正並判定后備土地資源的宜耕性；通過分析多因素綜合作用下四項指標的頻率分佈情況，確定上述四個生產性指標在不同宜耕等級下的閾值。We explored the changing trends in agricultural water demands, the changing trends and variability in soil moisture associated with both drought and increased surface runoff in chinese croplands during the last half - century ( 1946 - 95 ) as well as the projected future years ( 2031 - 65 ), and their impacts on agricultural production
摘要作者進行一項農業用水需求變化趨勢之研究，收集包括中國大陸農耕地在乾旱及高地表徑流量之土壤水分變化趨勢與變異幅度和對農業生產沖擊，涵蓋過去1946 - 1995年之五十年資料及未來2031 - 2065年之預測值。This explosive growth has led to removal of forests in much of the country, and excessive use of existing farmland
人口激增已導致了該國許多地方森林的消失及對現存農田過度耕作。Early practice of excessive tillage and plowing on the canadian prairies, rendering the soils exposed the elements of erosion
2 .加拿大大草原地區早期的過度耕作，導致土壤退化侵蝕嚴重In the 1930s, western canada experienced similar problems that are facing northern - western china right now in terms of soil degradation and severe sand storms due to over cultivation
由於過度耕作，三十年代加拿大西部面臨著與中國西部目前同樣的土壤退化沙塵暴嚴重的問題。Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale
本文在概述經濟結構理論的基礎上，第一次系統地研究了西安市農村經濟結構調整，用數據統計的方法，定量、定性地分析了西安市農村經濟結構演變的軌跡，分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應，揭示了農村產業結構演變的規律。提出農村非農產業，尤其是高速增長的農村工業，對促進農村產業水平的提升起著長?推動力的作用；農民收入增長直接受農村產業結構的影響最大，農業產業結構、種植業結構對農民收入有影響，但作用不可高估；非農產業是農民增收的主要支撐力量，解決農村余勞動力在城鎮化、工業化水平不高的情況下，切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業；農民收入要保持快速增長態勢必須加大農村勞動力轉移力度，減少耕地承載勞動力的系數。通過理論分析，結合西安市改革開放后20多年的農村產業結構調整的實踐，提出了西安市農村產業結構調整的發展思路及目標、原則，明確指出了政府在農村經濟結構調整過程中的職能轉變的重要方面：一是制定農村產業結構調整的傾斜政策，二是加大對農村產業調整的投入力度，三是制定產業結構調整的規劃，四是依靠科技進步促進產業優化和升級，五是加快城鎮化過程，優化農村產業結構。Then some conclusions we could make as follows : the inferior level of population ' s education and poor traffic condition hinder the economic development severely ; there are lots of natural resources, but the methods of exploitation are unsound ; in the industry, on one hand, the traditional take most part, such as sugar factory, tea factory and hydroelectricity station, but most of th ose products quality is inferior and the ability of market competition is weak ; on the other hand, the infant industries development is very slowly ; the protruding environment problems in lincang are pollution and soil erosion
通過分析，我們可以得知本區低水平的人口素質和落後的交通條件是制約區域經濟發展的「瓶頸」因素；區內有著豐富的自然資源，但沒有從潛在優勢轉變成市場優勢；目前本區工業已形成以「糖、茶、電」為骨幹的工業結構，但產業總體發展水平低，產品質量差，缺乏市場競爭力，同時新興產業發展緩慢，開發力度不夠；由於本區以中山地貌為主，加上不合理耕作使得農業中的水土流失問題突出，工業技術的落後帶來的污染問題也在不斷加劇。From discussing the change of methods of cultivation, getting a deeper understanding of the evolution of taboo. thirdly, pointing out that taboo can make yi nationality more united, can make some positive function in standard yi nationality member ' s morality
尤其著力從民族文化生態系統的角度討論禁忌演變的動力，通過耕作方式（獲食模式）的變化探討彝族禁忌和宗教的變化，從而深化對禁忌演變的認識和理解。分享友人