crop production 中文意思是什麼

crop production 解釋
農作物生產
  • crop : n 1 農作物，莊稼；收獲；收成；〈the crops〉 一季的收獲量，產量。2 （同一時期出現的人物等）一批，...
  • production : n 1 生產，產生；【物理學】（粒子的）生成；製造；（電影的）攝制；（戲劇的）演出；著作。2 產品，製...
  1. The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit

    因此，加快退耕還林還草，調整土地利用結構和產業結構，已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題，植被問題以及糧食產量問題為出發點，首先從理論上分析了包絡分析方法在陜北地區退耕還林（草）中運用的可行性，然後結合陜北地區目前的實際情況，綜合分析出影響陜北地區退耕還林（草）的關鍵的七個因素作為輸入指標：水利水保設施投入，農作物投入，經濟林種支出，防護林支出，其它經濟作物，草類支出，畜牧業投入；以退耕還林所要解決的最終問題作為輸出指標： gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后，通過分析求解得出非有效的決策單元，再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整，由此所得的數據對陜北地區的實際投入具有很好的指導意義。
  2. It focuses on villagers in dranang county in shannan prefecture, and naqu and nierong counties in naqu prefecture, and works with the community to improve local capacity in seven key areas : 1 domestic and stock water supply and management ; 2 improved crop production and management mainly in dranang county ; 3 livestock and rangeland management ; 4 development of improved social forestry and environmental programs involving village and homestead tree plantations ; 5 improved sanitation, preventative health measures and mother child health care ; 6 identification and development of income generation opportunities, both on - farm and off - farm ; 7 capacity building for government administrators to implement poverty reduction strategies

    自治區基本生活改善項目bhnp是一個綜合性的農村發展項目，其基本宗旨是提高項目區當地政府和農村社區減少貧困及解決基本需求的能力。項目活動主要集中在山南地區的扎朗縣和那曲地區的那曲縣和聶榮縣，分為七個主要領域： 1人畜飲用水系統安裝及管理
  3. Built according to the effect curve reflecting the relationship between fertility factor and crop production, the subordinative function solves the quatitative problem from the gradual change of ambiguous variable. it tallys with the actual situation to define the fertility factor weigh by using hierarchy analysis and combine it with expert ' s knowledge

    通過肥力因子與產量的效應曲線建立隸屬函數，解決了模糊變量漸變過程中的定量化問題；引入層次分析結合專家知識確定肥力因子權重，更符合客觀實際，使評價結果更準確。
  4. The objective of this paper is to summarize noteworthy myr achievements in canada and to review advances in the development of best management practices ( bmps ) for sustainable and environmentally protective crop production

    本文就加拿大在高產研究中新取得的一些重要成果作一總結，並回顧一下在高產穩產與環境保護並重的農業生產中，最優管理技術（ bmp ）的進展。
  5. Precision agriculture ( pa ) is a very important direction for agriculture development in 21st century. pa will promote the change from extensive agriculture to knowledge and technology - based agriculture. in developed countries, pa is considered as a revolution of crop production and management at the threshold of the new millennium

    精細農業是21世紀農業發展的一個重要方向，將推動粗放型農業向知識型、技術型的現代農業轉變，在發達國家已被認為是跨世紀作物生產管理的一場革命。
  6. The sugarcanes had absolute priority. there were six leading crop production belts in taizhou region : ( 1 ) grain production mainly in xian ' ju and linhai county, whose production area was 34500 ha in 2002, accounting for 35. 2 % of the

    臺州市仙居、臨海是主要的糧食生產基地， 2002年糧食種植面積為34 . 5千公頃，占臺州市糧食種植面積的35 . 2 % ，占該縣、市的85 . 5 % 。
  7. Addition of re with appropriate dose can raise crop production and improve crop quality, which has been conformed by many experiments. however, its mechanism has not been fully understood

    稀土農用效果已被許多試驗結果所證實，但對其增產、提質的作用機理目前仍不清楚。
  8. The united states and china are leading producers of greenhouse gases. these gases threaten to raise sea levels, damage our crop production, and spread deadly disease

    此約仍然是美國武器管制的重大成果之一，若其執行出現問題，會危及俄羅斯正在進行的裁減核武行動。
  9. Gross incomes from crop production at yield and nutrient input levels shown （ table 7 ） are compared in table 8 with gross incomes achievable within the same cropping system but with zero or low nutrient inputs

    表8把表7所列的產量和養分投入水平下作物生產的毛收入與相同種植制度下無養分投入或低養分投入時的毛收入作了比較。
  10. Water stress is the most popular environment menace that affects crop production, and diagnosis of water deficit is very important to the development of irrigation and precision agriculture

    摘要水分脅迫是影響作物生產最為普遍的環境威脅，水分虧缺的診斷對農田灌溉和精確農業的發展具有重要意義。
  11. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的水澇問題；灌溉導致的土壤鹽堿化；地表灌溉；地下水的再利用；地下水水力學；雨水與水流失的關系；淺地表排水；土壤開墾及水澇，酸性，堿性土壤的改良；片段線形回歸和累積頻數分佈的統計分析等。
  12. Mass seedling production system for high - valued seeds such as tomato and sweet pepper and for early crop production such as gourds

    採用集體菜苗生產技術培育種子昂貴的蔬菜如番茄、甜椒等，並使瓜類作物提早生產；
  13. The major driving factors for farmland change in yulin region are total population, the average farmer income and the proportion of agricultural labors, and there is a negative correlation between farmland area and the factors including total population, total crop production, total rural social production value and total social input

    典型區（榆林地區）耕地變化主要驅動力是總人口、農民人均年收入和農業人口比重，而總人口、糧食總產量、農村社會總產值和社會總投入與耕地面積呈負相關。
  14. However, unless such calculations are made, estimated crop production and economic potentials for china cannot be described

    但不作出這些計算，就很難描述中國的作物生產和經濟潛力。
  15. Based on study and practice in west zhejiang red soil experimental zone, the method and ways of adjusting cropping construction is : establishing " three - elements structure ", increasing in the ratio of forage - crop and cash - crop, stabilizing grain - crop production, adjusting breeding construction, developing agricultural industrialization, planting green - feed, estblishing new patterns, developing labour - intesive products, popularizing rice light cultivation ect

    摘要根據浙西紅壤試驗區的研究實踐，提出建立三元種植結構、遵循「提高飼料比重、發展經濟作物、穩定糧食生產」原則、調整養殖業結構、發展加工業的種植結構調整思想方法；並採用發展青綠飼料、建立新模式、發展勞動密集型產品、推廣省工栽培等技術措施，調整紅壤丘陵區的種植結構，實現糧、經、飼平衡發展。
  16. The initial challenge to researchers and advisors is to recognize that crop production, especially at consistently high yield levels, is a complex problem that requires a team effort to unleash creative thinking from various disciplines that can be combined to increase crop yields

    研究工作者和農業顧問的首要任務是認識並了解作物生產，特別要了解高產區的生產是一個復雜的問題，需要一個綜合性課題組的共同努力，發揮各自的聰明才智，為提高作物的產量而努力。
  17. Conservation tillage method is being adopted and extended gradually at the present time in northern arid and semi - arid regions of china as a effective method to solve those problems in crop production, like poor grain yield, limited utilization ratio of precipitation, serious soil erosion and low mechanization level

    針對我國北方旱農地區糧食產量低而不穩、土壤侵蝕日趨嚴重、機械化水平不高等普遍性問題，目前正逐步推行保土保墑的保護性耕作方法。
  18. Greenhouse is the important part of installation agriculture. crop production in domestic and overseas greenhouses shows that advanced automation and management system for greenhouse will improve the efficiency of agriculture production. in this paper, intelligent greenhouse, as the focus of agricultural greenhouse field, is studied, and a measure and control system which can control parameters of temperature, humidity, illumination and co2 density of greenhouse is designed

    溫室是設施農業的重要組成部分，國內外溫室種植業的實踐經驗表明，提高溫室的自動控制和管理水平可充分發揮溫室農業的高效性，本文主要對當今農業溫室的研究熱點-智能溫室系統進行研究，設計了一套能實時控制溫室內溫度、濕度、光照以及co2濃度等多參數的測控系統。
  19. Standardized costs for land, inputs, operational expenses and value of outputs are used to calculate total crop production costs and net income

    用統一的標準計算土地使用費，各種投入費用，生產管理費和產值，並計算生產總成本和純收入。
  20. Al toxicity is a major limited factor for crop production and quality in acid soil, and it has become the focus of ongoing research in the area of plant stress physiology and genetics

    鋁毒是酸性土壤影響作物生長的主要原因，已成為植物脅迫生理學與遺傳學的重要研究內容。
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