yield per unit 中文意思是什麼

yield per unit 解釋
單產
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  • per :
  • unit : n 1 個體，一個，一人。2 （計值、組織、機構）單位；單元；小組，分部；【軍事】部隊；分隊。3 【機械...
  1. Based on the situation of demand exceeds supply in the market, the author would like to find out the constraints of the water chestnut development by use of pra ( participatory rural appraisal ) in a survey to carry out stakeholder analysis including the water chestnut farmers, government and processing companies. also, the author applied a tool of system theory to analyze the constraints of water chestnut plant production development. the results are as following : the study shows that a main factor that restricts the plant yield ( per unit yield ) and quality ( product quality ) of water chestnut is the low level of prevention and control of water chestnut culms damping - off ; a disease of the water chestnut

    針對賀州市荸薺產業發展中的「銷大於產」的突出矛盾，筆者通過運用pra （參與式農村評估）方法，對荸薺種植區的農戶、政府機構、加工流通企業等進行了調查研究，並運用系統科學的方法對荸薺種植系統的不同組成因子的制約因素進行分析，得出研究結論如下：農戶對荸薺稈枯病害的綜合防治水平偏低，制約其荸薺種植的產量（單產）和質量（商品質量） 。
  2. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明：壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力；曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上，揭示縣域尺度上耕地變化的驅動機制，並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  3. The number of panicles per unit area was the most important yield components in determining final yield

    單位面積小穗數是決定最終產量最重要的產量構成因素。
  4. Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains

    四個水稻籽粒產量構成因素為單位面積穗數、小穗數、成熟籽粒百分數和成熟籽粒重量。
  5. Tea crop area, harvesting area, per unit area yield, gross output, and the total agricultural output value of the tea industry are analyzed and assessed by using regression model analysis

    運用回歸模型對茶葉種植面積、採收面積、單位面積產量、總產量、茶葉農業總產值進行分析和預測。
  6. This paper systematically analyzed and studied the impliment effect of the conversion of cropland to forest in chifeng. the results show that it can improve ecology environment, and promote agricultural production structure and its internal farming and animal husbandry structure, and it also improve the quality of farmland and grain yield per unit, transfer of rural surplus labor, increase income of farmers and herdsmen promote the farming and animal husbandry industrdialization and achieve the overall socio - economic development

    本文通過對赤峰市退耕還林（草）工程實施效果分析表明:該項工程在一定程度上改善了生態環境，促進了農業產業結構及其內部種植業結構、畜牧業結構的調整與優化，推動了農牧業產業化經營及社會經濟的整體發展，有利於提高糧食單產、轉移農村剩餘勞動力、增加農牧民經濟收入。
  7. We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain

    要保護好基本農田，穩定糧食播種面積，優化糧食品種結構，著力提高糧食單產。
  8. Under present condition, henan cotton has no price advantage. therefore, the countermeasures of henan cotton under the frame of wto are following : first, improve the per unit area yield, especially paying much attention to the application of science and technology

    目前，尤其是2001年，國內棉花價格已經很低，生產成本的提高和棉價的降低必將損害棉農的利益，從而不利於棉花生產的發展。
  9. We must do everything to raise the per unit yield.

    我們要千方百計提高單位面積產量。
  10. The results of the 2 - year field experiments of reducing chemical n fertilizer application in rice growth and the 1 - year demonstration and extension on a rather of large - area showed that appropriately selecting various ways of reducing chemical n fertilizer application according to different contents of alkali - hydrolysable n in soil could decrease the application amount by 15 % ~ 20 % and maintain the current rice yield per unit area

    摘要通過2年水稻化學氮肥減量施用田間試驗及1年較大面積的推廣示範研究，結果表明：崇明常年高氮水平下的水稻栽培區，降低氮肥用量可以通過土壤高、中、低堿解n含量水平，以維持現有水稻單產為原則，針對性地選取減氮途徑進行減量， 2年結果可比習慣施肥減氮15 % ~ 20 % 。
  11. Measures to improve per unit area yield of xin hongbao production

    提高新紅寶制種單產的技術措施
  12. The results show that the per unit area yield of tomato has incrased by 53. 7 % in greenhouse of the photo - ecology agricultural film

    用這種光生態膜苫蓋日光溫室進行番茄生產，產量提高了53 . 7 % 。
  13. This thesis study one of important factor in per unit area yield travel speed measure device and his sensor choice and relevant error analysis of form especially

    本論文重點是對單產的重要因素之一的行駛速度測量裝置及其傳感器形式的選擇和相關誤差分析進行了研究。
  14. Given a relatively stable sown area, china can achieve its desired total grain output target if the annual average increase rate of per unit area yield is one percent from 1996 to 2010 and 0. 7 percent from 2011 to 2030

    在播種面積相對穩定的前提下，只要1996 ? 2010年糧食單產年均遞增1 ， 2011 ? 2030年年均遞增0 . 7 ，就可以達到預期的糧食總產量目標。
  15. Our country has already fully realized the importance of properly dealing with the relationship among the population, the resource and the environment. in order to solve the contradiction on the utilization of land resource between food supply and economy development, it ’ s unrealistic only by the means of increasing the yield of per unit area. however, land exploitation, reclaimation and arrangement is undoubtly one of the important way to solve this problem

    我國已充分認識到妥善處理人口、資源、環境三者關系的重要性，確定了「十分珍惜、合理利用土地和切實保護耕地」的基本國策。當前，要解決吃飯和經濟發展與土地資源的矛盾，單靠提高單位面積的產量是不現實的，而土地開發復墾與整理正是解決這一矛盾的重要途徑之一。
  16. Yield per unit

    單位面積產量
  17. Because of the diminishing opportunity to expand cultivated land, researches have been mostly focused on the rise of yield per unit area

    由於擴大耕地面積的可能性越來越小，研究已主要集中於提高單位面積產量。
  18. The yield per unit of the second pattern obviously declined, which was 487. 4 kg / 667m2, but the total value was greatly improved, the mean was 6965. 0 yuan, and the net income was 5321. 5 yuan. for this pattern one - season late rice was mainly planted

    一糧一經的糧食單產顯著下降，每667米2產量37例平均為487 . 4kg ，但總產值極顯著提高，平均為6965 . 0元，凈收入5321 . 5元;這種模式以種植一季晚稻為主。
  19. ( 4 ) the yield per unit area of main agricultural products and the net income per capita annual of rural households increased very slowly. ( 5 ) the advance of adjusting structure of agricultural industry was very slow. ( 5 ) the suggestion on solving those problems are as follows : ( 1 ) seizing the opportunity that the central government carries out the policy developing the western china and fasten the development of the western china to strengthen the basis of tax income

    4 、西部地區財政支農投入中存在的問題導致了「三憂」 、 「三慢」等嚴重後果，即：西部地區農業水利基礎設施狀況堪憂，農業科技水平堪憂，生態環境狀況堪憂；西部地區農業結構調整步伐緩慢，農業產出水平提高緩慢，農民收入增長緩慢。
  20. Commitment to the western " three soft " instability thick coal bed mining technology research, explore and master the " three soft " core instability thick coal bed mining technology, guns taken, the yield per unit at the national research adopt the " three soft " thick coal bed mining instability leading level

    致力於豫西「三軟」不穩定厚煤層開采技術研究，探索和掌握了「三軟」不穩定厚煤層開採的核心技術，炮采、綜采單產處于全國「三軟」不穩定厚煤層開采領先水平。
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