灌溉率 的英文怎麼說
中文拼音 [guàngàilǜ]
灌溉率
英文
dusty of water-
And then, the irrigation performance including irrigation efficiency, application efficiency and distribution uniformity were evaluated by using infiltration parameters and soil parameters. the results indicate surge furrow irrigation is suitable to hilly mountain areas
利用入滲參數以及田間基本參數,對灌水質量:儲水效率e _ n 、灌水效率e _ a和灌水均勻度e _ d進行了評價,評價結果表明在丘陵山區適宜進行波涌灌溉。The study was primarily conducted to investigate the effects of various irrigation managements on the yield, quality and wue of alfalfa and the sustainable utilization of soil - water in north china plain. five treatments were applied : 0mm, 30mm, 50mm, 75mm and 100mm irrigating at the beginning of the second growth cycle in 2001
本研究通過兩年的灌溉實驗,根據對降水情況、土壤水分的蒸發量、蒸散量與苜蓿各生物學指標的分析,初步探討了在華北平原地區不同灌溉處理對于苜蓿產量、品質、水分利用率以及苜蓿地土壤水資源利用可持續性的關系。This article points out that in china, the drought is aggravating gradually, agriculture proportion is decreasing slowly, arable area per capita, irrigation area and weight of diffusion area of new quality maize seed shows slow growth. it is difficult to improve maize technical efficiency
對技術效率的影響因素的研究結果表明,全國的旱災趨于加重,農業比重正在緩慢下降,人均耕地面積、灌溉和新品種應用的增長不快,而且從分佈上來看多對玉米主產區不利,未來玉米技術效率提高的形勢嚴峻。Finally, the expert system is used in ming wang ta village, lin county, shanxi province to design and project for apple ' s drop irrigation at the demonstration farm. by the aid of the system, the calculation result, the design result, the drawing of pipe framework, the budget sheet are conveniently gained, and efficiency is distinctly enhanced. the result of this design has been successfully carried out in the test areas
最後應用本系統對山西省臨縣城莊鄉明旺塔村丘陵山區截流蓄水灌溉工程試驗示範節水灌溉試驗示範區的果樹滴灌灌區進行規劃設計,方便快捷地獲得了該滴灌系統比較合理計算結果、規劃和管系結構圖、概算表等,明顯提高了設計的效率,設計過程具有較高的參考性與實用性。In term of rational price the compensation benefit in the main stream of the yellow river mean annual is 5. 086 * 10a8 yuan. ( 4 ) with the long - liu regulated, the ning - meng irrigation guarantee rate increased from 31. 25 to 86. 25 percent, the downstream increased from 56. 25 to 80. 00 percent
( 4 )黃河上游水電站調節直接保證了寧蒙灌區與下游省區的灌溉用水,經上游龍劉調節以後,寧蒙灌區灌溉年保證率由31 . 25提高到86 . 25 :下游省區由56 . 25提高到80 . 00 。First each of the eight factors, i. e., per capita water resource available, per capita water requirement quantity, environmental water use rate, utilization rate of water resource, industrial water requirement quantity per 10, 000 industrial product value, water requirement module, regional irrigation rate was analyzed. then the water resource capacity in hejin city was evaluated by applying the fuzzy comprehensive estimation
選取了人均水資源可利用量,人均供水量,生態需水率,水資源利用率,萬元工業產值需水量,需水模數,生活需水定額,耕地灌溉率等8個評價因素,利用模糊綜合評判模型對其水資源承載能力進行了評價研究,並提出了河津市水資源安全對策。The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that
在影響玉米產出的各個因素中,旱災、農業比重、教育指數和效率損失呈正相關,人均耕地面積、灌溉、新品種應用和效率損失呈負相關而與技術效率正相關,水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。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。This paper analyses the factors that influence efficiency of pipeline system for sprinkler irri - gation, under condition of changing existing low pressture pipeline irrigation system into sprinkler irri - gation system
就井灌區低壓管道輸水灌溉工程改造成噴灌工程后,對影響噴灌管路系統效率的因素進行了分析,給出了其管路系統效率的計算公式。Abstract : this paper analyses the factors that influence efficiency of pipeline system for sprinkler irri - gation, under condition of changing existing low pressture pipeline irrigation system into sprinkler irri - gation system
文摘:就井灌區低壓管道輸水灌溉工程改造成噴灌工程后,對影響噴灌管路系統效率的因素進行了分析,給出了其管路系統效率的計算公式。At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination
採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究,選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價,選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價,強調了生態條件及其環境污染狀況在農用地分等定級中的作用。After correlation analysis of the raw of growth and development, dry matter accumulation, rate of filling, hulk density and yield, it concluded that the best sowing - time was on 30th in april and the best harvest - time was on 5th in october
通過對生長發育規律及對干物質積累、灌溉速率、容重、產量進行相關分析,確定4月30日左右為吉油1號玉米的最佳播種期, 10月5日左右為最佳收獲期。Study on water resources utilization in irrigation field of beijing
北京市灌溉農田水資源利用效率研究According to the crt rule and the concrete situations of zhuolu county, the grading standards included seven main factors ( slope, soil body thickness, condition of irrigation, o. m., soil texture, salt - status, soil body configuration )
根據crt值法則和涿鹿縣具體情況,採用特爾菲法,確定了分等因素指標集,該因素指標集包括:坡度、有效土層厚度、灌溉保證率、有機質、質地、鹽漬化、剖面構型七個主要因素。Hubei province to investigate the effects of several water and nitrogen management patterns on eco - physiological conditions, yield, water use efficiency and nitrogen use efficiency in paddy rice
結果表明,在適當的施肥量和合理的追肥方式下,與傳統的淹灌相比,節水灌溉可提高水稻水分生產率及氮肥利用率,獲得高產。In order to control wind erosion, 5 measures are brought out that to increase artificial rainfall, to develop irrigated farming and to rise using rate of water resource, to control soil erosion, to optimize the frame of crops and solid expoiting, and to establish control and forecast system
提出了防治沙化的5大措施,即增加人工降雨改造利用沙地、發展灌溉農業提高水資源利用率、治理水土流失、優化種植結構、立體開發、建立健全監測預報系統。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。Results showed that compared with cdi, seed cotton yield under adi increased by 21. 1 % with total water use efficiency and irrigation water use efficiency being improved by 17. 9 % and 20. 9 %, respectively
根系分區交替滴灌技術在大田條件下可使籽棉產量比常規滴灌處理提高21 . 1 % ,總水分利用效率和灌溉水利用效率分別提高17 . 9 %和20 . 9 % 。Based on the principle of fuzzy, utilizing the comprehensive evaluation model of limit analysis on the development of water resources, the authors selected evaluation factors include irrigation ratio of total land, coefficient of product water, degree of water exploitation, water supply and demand modulus, per capita water supply and ecological water use ratio to analyze
摘要基於模糊數學理論的區域水資源開發利用閾分析方法,選取灌溉率、產水系數、水資源開發程度、供需水模數、人均供水量和生態用水率7個主要因素作為評價因素,以杭州市區為例進行具體計算與分析。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。分享友人