田間需水量 的英文怎麼說

中文拼音 [tiánjiānxūshuǐliáng]
田間需水量 英文
farm water requirement
  • 田 : Ⅰ名詞1. （田地） field; farmland; cropland; land 2. （姓氏） a surname Ⅱ動詞[書面語] （打獵） hunt
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 需 : Ⅰ動詞（需要） need; want; require Ⅱ名詞1. （需用的東西） necessaries; needs 2. （姓氏） a surname
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 水量 : water yield; the yield of water水量計[表] watermeter; 水量平衡 water balance; 水量收支 water budget
  1. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  2. According to the optimal irrigation scheduling, the irrigation demand hydrographic in four representative years of huimin and wudi are computed

    在灌溉制度模擬優化的基礎上，推求出代表年惠民、無棣推至田間的基本灌溉需水量和需水過程。
  3. Secondly, many crop water parameters, including eta, wue and water sensitive parameters etc., were studied through onsite experiment, typical household survey and other methods. by analyzing crop water usage characteristics, we concluded : 1. about eta : the amout of pear water consumption was highest ( 750. 2mm ), however, the watermelon planted in greenhouse consumed only 266. 5mm ; 2

    通過對大田作物需水量與自然降水量的平衡分析，可以將順義區主要大田作物分為三類： 1 ）灌溉需求量較大的作物，包括水稻、冬小麥、苜蓿、棉花； 2 ）灌溉需求量較小的作物，包括夏播作物（夏玉米、夏花生、夏大豆）和耐旱、避旱作物（高梁、穀子） ； 3 ）中間型作物，包括大部分春播作物（春玉米、春花生、春大豆等） 。
  4. This experiment was designed according to the special soil moisture in the north in china as well as the different water requirements in the different growth periods of the maize. the author put forward a practical technique by comparing the water - supply conditions in the different periods of time and ensuring the growth target and the yield target under the best water - supply condition

    針對北方旱區土壤水分運動存在冬季緩慢散墑、春季進入強烈跑墑期以及玉米在不同生長期需水差異這一特點，試驗設計提出了節水滲灌這一技術的田間試驗方案，比較不同時期的供水狀況，最後確認在最佳的供水條件下的玉米生長指標及產量指標，提出一套較實用的玉米滲灌節水生產技術。
  5. And we have got the following result : 1. the technique of storing water in soil in gneiss area of tai - hang mountain : the more water in soil before rain is, the less water capability of soil is, the time shorter of water flowing from soil is, the easier the water flows on the ground ; the soil capability of reserving water of different soil thickness is terrace > acacia land > pine land > grass land, so the soil is more thick, the soil capacity which contains water is more large ; the accumulated water that flows on the ground is remarkable related with the logarithms of rain time

    太行山片麻巖區土壤蓄水規律：雨前土壤含水量越高，土壤可蓄水量越小，出流所需時間越短，容易形成地表徑流；不同土層厚度的土壤蓄水量為：梯田刺槐林地油松林地草地；累積地表徑流量與降雨時間的對數呈顯著正相關，擬合方程為w = a + blnt ，相關系數均大於0 . 92 ，即在降雨強度一定的前提下，降雨時間越長，累計地表徑流量越多。
  6. In recent years, with the development of the economy in shengli oil - field, the water resources demand has increasingly added. at the same time, the yellow river valley economy has gain the significant increment in the last ten years, so its water use continually increases. the water measure of the yellow river mouth in shengli oil - field continuously has reduced, and breaking flowing time has become more and more, resulting in the contradict with oil - field supply and demand turning worse continuously

    近年來，隨著勝利油田經濟的多元化發展和城鎮化進程的加快，必然導致對水資源需求量的增加，與此同時，黃河流域在近十幾年來同樣經歷了一個經濟高速發展期，流域內的耗水量大幅度增加，黃河河口段來水量不斷減少，斷流時間越來越長，造成了以黃河為主要水源的勝利油田供需矛盾不斷加劇，供水工程暴露的一些問題亟待解決。
  7. The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district. then the traditional irrigation schedules of winter wheat and summer maize, which are the main crops in bojili, were evaluated with simulating model isareg. third, the field application efficiency in the experimental areas was evaluated from three methods

    本文即是由灌區實測資料計算各種作物需水量，推求其凈灌溉需水量；然後通過模型檢驗現行作物灌溉制度是否具有合理性，並對田間灌溉系統進行評價，求其實際田間灌溉效率；最後由兩種不同灌溉制度方案的對比，確定試區合理的作物灌溉制度，在此基礎上求出各代表年的田間灌溉需水量和用水過程線。
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