irrigation season 中文意思是什麼

irrigation season 解釋
灌溉季節
  • 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。
  • season : n 1 季；季節；〈美國〉雨季。2 （水果、魚類等的）旺季；流行季節；時令；活動期。3 好時機；適當時機...
  1. There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring, irrigation - leaching - desalting period in rice growing season from may to september, evapo - salinization period again in late fall and relatively stable period in winter

    遼寧沿海鹽土中鹽分每年隨水移動如下：春季為凍融-蒸發-鹽化期， 5 ~ 9月為灌溉-淋洗-脫鹽水稻種植期，晚秋為蒸發-鹽化期，冬季為相對穩定期。
  2. Evaporation and drift losses were estimated d uring the whole irrigation season of winter wheat based on catch can data

    試驗設置低、中、高噴灌均勻系數處理，噴灌均勻系數的變化范圍為62 % 82 % 。
  3. Prevention method and freezing damage of hydraulic structures at season freezing soil irrigation areas

    季節凍土區灌區水工建築物凍害破壞原因及防治措施
  4. The efficiency of irrigation in the beginning of the growth cycle in arid season distinctly surpassed the average wue. twelve treatments of combining different times and amounts of irrigation were applied in 2002

    灌溉處理並不能引起同茬同品種苜蓿的蛋白質含量出現差異；但是在第二茬初期灌溉，能在雨季來臨前搶收到更多的優質苜蓿。
  5. The rainy season is coming. it 's a matter of great urgency to repair the drainage and irrigation equipment.

    雨季就要到了，修理排灌設備是急如星火的任務。
  6. ( 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 。
  7. According to our analysis, the farmers in quzhou are in the second phase, which means they already have enough food and put much more inputs for earning high yield and high income. ( 4 ) the ground water table was getting down, caused by precipitation decreasing, no river water coming due to the upstream reservoir, complete drainage in rainy season and irrigation using groundwater

    （ 4 ）自然降水量的降低、上游水庫的攔蓄，使平原失去了獲得水源的機會；內部防洪排瀝體系的完善，致使入滲補充地下水減少；耕地灌溉率的增加，導致農業用水量不斷加大，這些因素共同作用使區域水資源失去平衡，引起地下水位的下降，從而促使鹽漬土表層脫鹽。
  8. Rainfall characteristics and irrigation management in winter wheat season

    冬小麥降水年型與補水灌溉動態管理
  9. Men were at work here and there - for it was the season for taking up the meadows, or digging the little waterways clear for the winter irrigation, and mending their banks where trodden down by the cows

    男工們正在四處幹活因為現在是修整牧場的季節，或者把草場上的一些冬天用來灌溉的溝渠挖干凈，把被奶牛踩壞的坡岸修理好。
  10. During the operation stage, the main on - site activities are routine maintenance of the golf course and operation of the desalination plant for irrigation purposes during the dry season

    2 . 3 . 2運作期的主要場內作業為高爾夫球場的常規維修活動和在旱季以灌溉為目的的化淡工序。
  11. Ide, an ngo, has been active in zambia since 1997 promoting dry - season horticulture among poor rural farmers using appropriate small - scale irrigation technology

    描述: ide ，一種小規模灌溉技術， 1997年在尚比亞流行使用，大多是貧窮的農戶在旱季用於園藝方面的灌溉。
  12. A feasible scheme was put forward for the change in the water level limit in flood season to perfectly combine the reservoir ' s two roles in irrigation and flood control, making good use of the limited water resources and providing an effective way to relieve the scarcity of water resources in northwest china

    針對水庫汛期汛限水位的變化提出了可行性方案，較好的使水庫的興利和防洪兩大任務相結合，以達到充分利用有限水資源的目的，為緩解西北地區水資源缺乏現狀提供了有效的解決途徑。
  13. Acceding to the theory of crop water requirement, maximum potential evapotranspirations are calculated by applying fao penman - monteith method, and then we obtain the water requirement, water balance and water correction factors ect. of main crops ( spring maize, summer maize, spring wheat, winter wheat, cotton ) and different type grasslands, and the space - time distribution regularities of water requirement of cropland and natural grassland are analysed, the result show : the water requirements of same kind crop in different areas are different, water satified degrees are different to different crops in the same area, and water requirement of same crop are different between years for climatic variation ; the water requirements of main crops are increasing from east to west and from south to north, water satified degrees are decreasing from east to west and from south to north. in growing season, there are deficits in crops water supply in most area, so the irrigation is needed to meet the requirement for crop growing normally

    根據作物需水的理論和方法，採用計算精度較高的faopenman - monteith方法（ 1998 ）計算了半乾旱區最大可能蒸散，並基於此計算五種主要旱地作物（春玉米、夏玉米、春小麥、冬小麥、棉花）和不同類型的天然草地的需水量、水分盈虧、水分訂正系數等，分析了農田和天然草地水分供需的時空分佈規律，結果表明：不同地區同一種作物的需水量是不同的，同一地區對不同作物的水分滿足程度是不同的，而且同一種作物在同一地區隨著氣候的變化需水量也會有一個年際變化；主要作物需水量由東向西，由南向北遞增，正常生長發育的水分保證程度由東向西，由南向北遞減。
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