irrigation crop 中文意思是什麼

irrigation crop 解釋
灌溉作物
  • irrigation : n. 1. 灌溉；水利。2. 【醫學】沖洗（法），〈pl. 〉沖注洗劑。adj. -al ,-ist n. 灌溉者，水利專家。
  • 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，...
  1. Through analyzing guan zi, zhao guo, fan sheng zhi shu, si min yue ling and other agricultural books, some agronomists on agricultural education, it states that in west han and east han dynasties agricultural science and technology made great progress, such as soil and tillage, drainage and irrigation, farm implements, crop cultivation, gardening, silkworm raising and mulberry growing, environment and ecology, agricultural economics and management

    通過對《管子》 、趙過、 《 ?勝之書》 、 《四民月令》等農書及農業科學家農業教育的闡述，指出了兩漢時期的農業教育主要在農業科技教育方面取得進展，具體體現在土壤耕作教育、農田水利教育、農機具教育、作物栽培知識教育、園藝知識教育、蠶桑知識教育、環境生態教育、農業經濟管理教育等方面。
  2. It was found : 1 ) the film restrained evaporation surface intensity and had obvious function of rising and keeping moisture, 2 ) the drip irrigation could supply water according to growing requirement and augment of water conflux intensity around crop root, it also had strongly controllable operation and wasted fewer water

    覆膜抑制了土壤表面的蒸發面匯，具有明顯的提墑保墑作用，滴灌能隨時根據作物生長需要及作物根系匯流強度的增大而補充匯流源，可控性很強，水的浪費率很低。
  3. In the third chapter, the ratio of soil evaporation to crop transpiration under different furrow irrigation ways adopted in summer maize field was analyzed by using the measured data in lysimeters

    與固定隔溝灌相比，交替隔溝灌土溝的干濕交替循環不會使根區部分土壤出現長期極度乾燥的情況，因此對作物根系的生長和吸收比較有利。
  4. The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter

    （ 4 ）夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內，其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。
  5. Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration

    第二條本法所稱農業技術，是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術，包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術，農副產品加工、保鮮、貯運技術，農業機械技術和農用航空技術，農田水利、土壤改良與水土保持技術，農村供水、農村能源利用和農業環境保護技術，農業氣象技術以及農業經營管理技術等。
  6. Including irrigation time, frequency, and quantity of water, of which based on the evapotranspiration rate and crop coefficients in different months and the rank of visual appearance of different date

    根據草坪質量與土壤含水量、土壤水勢的相關性及作物系數、蒸發量等參數，準確計量其灌水時間、灌水量和灌水頻率。
  7. At present, the studies about the controlled alternate furrow irrigation are focused on how it affects the water physiological indexes, water consumption and yields of crops. but, some problems suc h as the soil infiltrative parameters, irrigating water advancing, water redistribution in soil, calculation of crop water requirement and water consumption, and the upper and lower limit indexes of soil moisture, guiding a field irrigation after the controlled alternative furrow irrigation is implemented in field, have not been researched systematically and deeply. if these problems could not been solved commendably, the popularization of controlled alternate furrow irrigation will be affected

    然而，目前有關交替隔溝灌溉的研究還主要集中於這種灌水方式對作物水分生理指標、耗水量和產量的影響方面，而對大田採用這種灌水式后的土壤入滲參數變化情況、作物需水量與耗水量計算、以及指導大田灌溉的水分下限控制指標等與大田生產實際密切相關的幾個問題基本上還沒有進行系統的深入研究，而這些問題如不能得到很好地解決，勢必會對這種灌水方式的推廣應用產生嚴重的影響。
  8. The ultimate purpose of establishing the irrigation information management system is to accomplish the automation and information of the irrigation process, to promote the efficiency of water use, to increase the yield and improve the quality of crop, which is the inexorable trend of the future development of the irrigation agriculture

    建立灌溉信息管理系統的最終目的是實現灌溉過程的自動化和信息化，提高水資源利用效率，增加作物產量，提升作物品質，這也是未來灌溉農業發展的必然趨勢。
  9. 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。
  10. 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。
  11. Test and research of bubble irrigation for field crop planted in wide - row space

    大田寬行作物湧泉灌技術的試驗研究
  12. The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands

    描述:美國農業部保持與生產研究實驗室的主要任務是： 1 .開發水資源管理方案或灌溉技術，提高用水效率，減少地下水使用，改善土壤和水質； 2 .使水資源、土壤資源、氣候和養分資源達到最優化，以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展； 3 .開發可再生能源用於灌溉、畜牧飼養和發電； 4 .通過減少磷成分，降低飼養場廢棄物的環境風險，將其施用於牧草地，提高養分利用率。
  13. The content of mineral nitrogen content ( nh4 + - n + no3 - n ) decreased during the incubation period after applying nh4 + - n fertilizer and urea. it maybe relates to the nh4 + - n fixation, volatilization, and its nitrification. ( 4 ) fertigation by drip irrigation increased the n uptake and accumulation of dry matter of summer maize, and improved the activity of crop photosynthesis

    與滴灌施用硝態氮肥相比，施用銨態氮肥和尿素后在培養期間土壤礦質態氮（ n03一n + nh獷一n ）的含量有降低的趨勢，降低的原因可能與nh4 +一n在土壤中的固定、揮發及硝化等過程有關。
  14. Compared with coupling fitness of water requirement to rainfall, crop ' s water requirement and irrigation requirement show the contrary trend

    表明在當地自然資源環境和節水灌溉背景下，不宜過多種植秋播糧食作物，應以春夏播作物為主。
  15. ( 4 ) in 2001, the average daily et of cotton in the whole growth season is 1. 75mm / d, the total et is 307. 48mm, and the average crop coefficient ( kc ) is 0. 39 under deficient irrigation. in 2002, the average daily et of cotton in whole growth season is 1. 94mm, the total et is 337. 04mm, and the average crop coefficient ( kc ) is 0. 43 under sufficient irrigation

    （ 4 ） 2001年脅迫供水情況下，在整個生育期棉花的蒸發蒸騰量為307 . 48mm ，平均日耗水強度為1 . 75mm ，作物系數平均值為0 . 39 ； 2002年充分供水情況下，在整個生育期內棉花的蒸發蒸騰量為337 . 04mm ，平均日耗水強度為1 . 94mm ，作物系數平均值為0 . 43 。
  16. Based on the observation made on the main crops such as wheat, corn, cotton etc., the observed data from the limited irrigation test for three years are obtained, and then the test data are analyzed with the theory of soil moisture movement and the model of farm crop ' s evaporation is established under the condition of insufficient irrigation

    摘要通過對小麥、玉米、棉花等主要農作物的分階段受旱試驗，獲得了三年的限額灌溉試驗觀測數據；採用非充分灌溉條件下的土壤水分運動理論分析試驗數據，建立了限額灌溉條件下的作物蒸發蒸騰模型。
  17. I concluded that human activities tied to farming ? primarily agricultural deforestation and crop irrigation ? must have added the extra co2 and methane to the atmosphere

    我的結論是，與農業緊緊相系的人類活動（主要是農耕時的森林除伐與作物灌溉） ，必然為大氣添加了額外的二氧化碳與甲烷。
  18. Adding fertilizers through the irrigation water ( i. e. fertigation ) is one of common ways of fertilization. however, the uneven distribution and leachings of nutrients and induced crop damage are the common problems for the traditional way of fertigation

    灌溉施肥是生產中經常採用的一種水肥調控技術，但施肥不勻，養分流失，容易引起作物灼燒等，是傳統的灌溉施肥方法常常遇到的問題。
  19. Crop - water relationship and availability of field irrigation water based on swap model simulation were studied in two areas of a largest - sized irrigation district - hetao irrigation district in the western arid area of china respectively according to its unique characteristics of hydrology and water resources so as to provide a theoretical basis and technical support for its water - saving transformation and agricultural sustainable development. the results can also be applied to other areas with similar natural and agricultural conditions

    本文針對我國西部乾旱區的特大型灌區?河套灌區所具有的獨特水文水資源條件，選擇兩個典型區域分別進行了作物-水分關系和基於swap模型模擬的田間灌溉水有效性研究，以揭示和確立水分對乾旱區作物產量的影響和量化表達與淺地下水位灌區農田水分運移轉化規律和灌溉水對作物生長利用效率的評價方法，為河套灌區以節水為中心的技術改造和可持續發展提供理論基礎和技術支撐。
  20. Factors such as soil texture, landscape, climate, irrigation, crop type, and nitrogen management influence intensity of no3 - loss through leaching

    土壤質地、地貌、氣候、灌溉、作物類型和氮素管理等因素影響到淋失的強度。
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