漬水土壤 的英文怎麼說
中文拼音 [zìshuǐtǔrǎng]
漬水土壤
英文
flooded soil-
In compacted and waterlogged soils fixation by nodules is probably limited by availability of.
在堅實的和漬水的土壤中,根瘤固氮大概受的可給性限制。The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before
土壤鹽漬化是影響農業生產和生態環境的嚴重問題,隨著工業污染加劇,灌溉用水的質量不斷下降和化肥使用不當等原因,次生鹽堿化土壤面積有不斷加劇的趨勢,給農業生產造成重大損失;黃矮病毒病是小麥等禾本科植物的重要病害之一,其傳毒介體蚜蟲更使植物產量損失巨大。After the forum, the experts in the inception mission delivered some excellent reports to wuyuan county. mr. barry senft introduced wheat production and marketing in canada, dr. li yuxia briefed development of conservation agriculture in china and canada, mr. liu jianjun reported on progress of chinas research on wheat breeding, prof. zhang yongping introduced progress of research on water - saving irrigation ; and, mr. li yuejin talked about soil salification control technology. they also responded to questions from the audience
在研討會結束后,項目啟動團的專家為五原縣作了一次精彩的報告, barry senft先生詳細介紹了加拿大小麥生產和營銷情況,李玉霞博士介紹了中國和加拿大的保護性農業發展情況,劉建軍研究員介紹了國內小麥育種研究進展,張永平教授介紹了節水灌溉研究進展,李躍進介紹了土壤鹽漬化控制技術,專家們還回答了聽眾感興趣的問題。Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed
超過臨界深度的地下水,在蒸發作用下,將鹽分帶至地表或根系分佈層累積下來,形成鹽漬化土壤或鹽土、堿土。The environmental geological problems existing in the west liaohe plain involve desertification of land, salinization of soil, declining of groundwater level and pollution of groundwater
摘要西遼河平原的環境地質問題主要表現為土地沙漠化、土壤鹽漬化、區域地下水位元下降及地下水污染等。This paper studied the effect of soil water content on barley at different growth stages, through the study, we found the sensitive stages of barley to water and salt is the stem elongation and spike formation stages
研究表明,大麥對水鹽最敏感時期發生在拔節抽穗期,土壤含水量(占飽和含水量的體積百分數)上限值確定為80 . 4 ,耐鹽漬天數為3 . 2天。Prevention of soil secondary salinization by turning upland cropland into paddy fields in depressions of the songneng plain
松嫩平原低平易澇地旱改水種稻治澇防止土壤次生鹽漬化技術的研究< uk > in compacted and waterlogged soils fixation by nodules is probably limited by availability of. < / uk >
< uk >在堅實的和漬水的土壤中,根瘤固氮大概受的可給性限制。 < / uk >( 2 ) aiming at the bigger irrigation quota of fall irrigation system and the complicacy of the salt movement in soil, the paper applies reservoir leaching model bring forwarded by w. h. van der molen to hetao irrigation district located in aridity area, and establishes salt leaching simulational model under the fall irrigation system. through calculating, the feasible fall irrigation quota is 100 - 120m2 / 667m2 in light salinization soil, and the feasible fall irrigation quota is 120 - 150 m2 / 667m2 in mild salinization soil. the model is reasonable and exact, and it can be researched deep
( 2 )針對在秋澆灌溉制度中秋澆定額較大,土壤中鹽分運移規律復雜的特點,利用w ? h ? vandermolen提出的水庫沖洗模型,建立了地處乾旱地區的河套灌區區域內的秋澆制度鹽分淋洗模擬模型。經計算在輕度鹽漬化土壤中秋澆的灌溉定額以100 120m ~ 3 667m ~ 2為宜;中度鹽漬化土壤秋澆的灌溉定額以120 150m ~ 3 667m ~ 2為宜,模型合理可靠,準確可行,可進一步向縱深方向進行研究。The administration system of networks was set up with the help of geography information systems ( mapgis ) and it ' ternet etc. by the utilization of this system, the network management can be carried out for the seashore soil and salt movements in shandong province, and provide their dynamical information for every government to make water and salt control decision, as well as theoretic and practical guidance for agricultural production and ecological environmental construction
藉助于地理信息系統( mapgis )和internet等手段建立了山東省濱海鹽漬土水鹽運動網路管理系統。本系統可以對土壤水鹽運動進行網路化管理,為各級政府部門提供本省濱海鹽漬土的水鹽動態信息,以及為濱海地區的農業生產和生態環境建設提供理論和實踐上的指導。Facing to the reduction of the water diversion from the yellow river for hetao irrigation district inner mongolia autonomy, and giving attentin to agriculture production and improvement of salinization, this paper researches optimization model of district water - saving irrigation water management. the paper also quests for the optimization model of crop irrigation system and the optimization irrigation strategy aiming at the short of water for agriculture. in order to save water and use water high efficiently, this paper researches the change regulation of irrigation system of spring - wheat that is the important crop in the irrigation districted establishes the multidimensional dynamic model of irrigation rules of spring - wheat. lt also makes the simulation model of salt leaching of fall irrigation rules during non - growing period, and sorts the elements influencing water - saving of irrigation system
在內蒙古河套灌區的引黃水量減少又要兼顧灌區的農業生產和土壤鹽漬化向良性發展的形勢之下,本文針對灌區內區域灌溉水管理的現狀,對灌區內區域節水灌溉水管理優化模型進行了研究。研究針對農業水資源短缺的現狀,在節水灌溉條件下,對作物的灌溉制度進行優化模型探索,尋求最優灌溉策略。全文圍繞節水與高效用水,綜合應用了系統分析、灌溉排水及節水灌溉的原理和知識,研究了灌域內主要作物春小麥的灌溉制度的變化規律,建立了春小麥灌水制度的多維動態優化模型;建立了非生育期的秋澆制度的鹽分淋洗模擬模型;對節水灌溉水管理的影響因素的重要性進行了排序研究。The severe salinization has resulted in the economic loss about 14 billion yuan rmb ( price in 1996 )
導致鹽漬化的因素有氣候、地形、水文地質、土壤質地等自然因素,以及灌溉方式和耕作制度等人為因素。The saline concentration in the 0 - 40cm layer will produce desalination trend in the 2010. however, the saline concentration in the 40 - 70cm will be slightly accumulated
總體上節水改造工程對灌區淺層土壤鹽堿化改善與防治有積極效果,但中層仍存在潛在鹽漬化的可能。The study is mainly about the irrigating of song nen plain region and its water - salt sport environment condition and artificial factor etc
摘要主要研究了松嫩平原地區的灌溉方式、土壤水鹽運動狀況、環境條件以及人為因素等,對土壤次生鹽漬化的形成,提出預防與防治具有重要的意義。The results of correlation comprehensive array analysis indicated that the water seepage from canal systems was the main cause resulting in the uprising of underground water table and the increase of soil salinity in qyrid
同時通過關聯度綜合排序分析,確定出渠系滲漏是造成灌區地下水位高、土壤鹽漬化的主要原因。The paper analysed transformation on hydrology factor after ningxia meili paper mill used its waste water to irrigate its fast - growing forestry, i. e., groundwater level raised after long irrigation, lake ' s area enlarged and soil became sauna where transition in highland irrigation and lowland irrigation
摘要分析了美利紙業速生林基地用廢污水灌溉后引起附近水環境的變化,即隨著灌溉水量增加,地下水位升高,湖泊濕地范圍擴大;低位灌區與高階地交接帶產生土壤鹽漬化。In order to prevent the deterioration of ecological environment, countermeasures from the aspect of water resources exploitation and utilization were proposed as following : to reduce groundwater table for preventing and eliminating soil salinization ; to establish a powerful drainage basin management organization ; to establish water - saving society ; to carry on the additional investigation and water on environmental hydrogeology related to endemic disease
並從水資源開發利用角度提出了防治生態環境劣變的基本對策:降低地下水位,預防和消除土壤次生鹽漬化;建立有實權的流域水資源管理機構;開源節流,以節流為重,建立節水型社會;開展全疆補充性的地方病環境水文地質調查研究工作。In arid and semi - arid areas, the land salinisation has become very serious because the earth ' s surface evaporates strongly and highly - mineralized ground water rises above the critical depth
在乾旱和半乾旱區,由於地表強烈的蒸發和高礦化度的地下水超過了臨界深度,土壤鹽漬化現象非常嚴重。To reach the aim of reflecting entirely the degree of the effect, the general aim is decomposed with six aspects, which are water resource carrying capacity effect, surface water resource effect, groundwater resource effect, oasis and vegetation effect, soil salinification effect and land desertification effect
為了達到全面反映水資源開發引起的水土環境效應程度的目的,將總目標分解為水資源承載效應、地表水效應、地下水效應、綠洲及植被效應、土壤鹽漬化效應和土地沙漠化效應等6方面來進行描述。Problems existing in the development of water resources in yin - chuan basin are : surface water, groundwater, water for city use and water for agriculture use as well as water for ecological use are not reasonably programmed, leading to the waste of water resources and occurrence of salted soil. at the same time, because of the large amount drainage of wasted water, solids and gas as well as the comprehensive use of chemical fertilizer, the groundwater was polluted in different degree, the range and extent of the pollution have a tendency to increase yearly. whether the water is used in industry or in agriculture, the waste of water is very serious, the technology of water usage is slow, and the production value of water is low
銀川盆地在水資源開發利用中所存在的主要問題是:對于地表水和地下水、城市用水和農業灌溉用水以及生態用水等缺乏合理規劃,造成了水資源的浪費以及土壤鹽漬化問題的發生;同時,由於工業「三廢」的大量排放以及農藥、化肥的廣泛使用,使地下水不同程度地污染,而且污染程度和范圍有逐年加大的趨勢;無論是農業用水還是工業用水,浪費現象都十分嚴重,用水技術落後,單方水的工農業產值相對較低。分享友人