益土作物 的英文怎麼說
中文拼音 [yìtǔzuòwù]
益土作物
英文
soil improving crop-
In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1
本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境，從紫色土荒坡地水土流失治理入手，在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上，用定性和定量相結合的方法，以「龍須草純種」 、 「龍須草與果樹立體種植」 （簡稱林草立體種植，下同） 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究，從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應，並對其機理進行了初步探討，主要研究結果如下： 1The killing effect on oncomelania hupensis by lixivium of pterocarya stenoptera, nerium indicum, rumex japonicus and their mixture was studied. differences of the snails mortality were studied also. the three kinds of plant material could kill the snail effectively both in spring and in autumn. but the mortality was different when the experiment is done in different seasons or with different lixivium. the effect in spring was better than that in autumn. n. indicum was the most effective among the three kinds. the effect by mixture was better than that by unitary material, and the effect by the mixture of the three kinds was better than that by two kinds. the variance analyses showed that the experiment could be modified, and some ingredients concentration in mixed lixivium could be reduced. the experiment was valuable in enhancing the power of killing the snail and saving plant material
對楓楊、夾竹桃和土大黃以及它們的組合水浸液的滅螺效果作了比較研究，結果表明: （ 1 ）滅螺效果均隨水浸液濃度的增高而增強; （ 2 ）這3種植物材料及其組合水浸液的滅螺效果都是春季比秋季好; （ 3 ）組合水浸液的滅螺效果比單一植物材料水浸液的滅螺效果好; （ 4 ）方差分析的結果說明植物材料組合水浸液滅螺在保證滅螺效果的前提下，還可以適當降低組合水浸液中的濃度.以上結論對提高植物材料的滅螺效率和節省植物材料的使用量有著重要的意義，同時也為組建植物滅螺群落提供了有益的參考Abstract : the biological control effect on fruit tree insects and eco - economic benefit of interplanting mentha spicata with orchard was studied and analysed based on field polt experiment. the result shows : interplanting mentha spicata with orchard have obviously biological control effect on fruit tree insects like phyuoenistis eitrella stainton, papilio xuthus l, phyllocoptruta oleivora ashmead and myzus perieas sulzer ect, interphanting mentha spicata with slope orchard could reduce soil and water losses, and improve soil physical - chemistry property effectively, its also accelerate fruit tree growth and increase the yield of fruit tree, and has good economic benefit
文摘:在野外小區試驗的基礎上，對果園套種留蘭香生物防治果樹蟲害的作用及其生態經濟效益進行了研究和分析，結果表明：果園套種留蘭香對潛葉蛾、柑橘鳳蝶和桃蚜等果樹害蟲有明顯的生物防治效果；在坡地果園套種留蘭香能有效減輕水土流失、改善土壤的理化性狀，促使果樹的生長和提高果樹的產量，並具有良好的經濟效益This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm
針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm
文摘:針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。These examples show that, contrary to the widely accepted assumption that nutrient inputs to tropical upland soils will accelerate acidification and deterioration, a combination of supportive management measures such as erosion control, legume cropping and recycling of biomass and plant nutrient inputs can safely lead to soil fertility buildup and attractive, sustainable, economic returns
通常認為在熱帶地旱土土壤上施用養分會加速酸化和土壤退化，但這些例子卻恰恰相反，表明了通過控制水土流失、種植豆科作物、生物量再循環以及養分投入等綜合配套措施可以穩妥地增進土壤肥力和獲得有吸引力的經濟效益。2. by detection and analysis on litter accumulation, water ? olding capacity of the litter and interception of main types of forests, its waterolding capacity, intercepting role, water storage and soil reduction of litter were studied
2通過對祁連山水源涵養林凋落物累計量、枯枝落葉持水能力以及截留作用測定分析，研究了枯落物葉層的持水、截留作用和蓄水保土效益。This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究，系統採用了基於總線的分散式控制結構，根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數，知識庫的作物灌溉知識，分析決策灌水時間、灌水量、灌溉成本及灌溉效益。On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand
在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上，首先對小城鎮在我國的發展、地位和作用進行了深入的分析，判明我國小城鎮發展經歷了一個曲折向上的發展階段，已成為鄉鎮企業的載體，農村剩餘勞動力的蓄水池，城鄉物資交流的樞紐，農村精神文明的基地，是我國城市化的重要途徑；其次，對小城鎮土地資源利用現狀和特徵進行了探討，並對發展小城鎮建設導致的土地利用問題進行了剖析，表明目前我國大多數小城鎮土地效益和規模效益低下，佔用耕地過多，直接影響農業的發展，影響小城鎮的地位和作用；通過小城鎮土地供需分析研究表明，我國土地短缺十分嚴峻，小城鎮土地需求缺口較大，小城鎮必須合理利用現有土地，增強集約功能和土地經濟效益，從而緩解需求壓力；最後，論文通過運用特爾菲法，描述統計分析法、多元統計分析（主成分分析）法和系統分析法中的層次分析法（ ahp ）等一系列方法，結合定性和定量兩方面，從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析，篩選、建立了土地資源利用評價指標體系，在因子評價的基礎上，建立了土地利用綜合評價模型，並給出了評價過程和方法。Based on wide - ranging knowing the mechanical technology of overturning crops stalk into soil inland and overseas, combined with the present condition and the requirement of the mechanical technique developing, aimed at the tendency of the remained stalks heightened of food crops in south china, the thesis brings up an mechanizing technical project and mating device, which contain the function of plowing soil and overturning crops stalk on the base of plough. it is tightly packed, reliable and can be used conveniently
本文是在對國內外秸稈還田機械技術廣泛了解的基礎上，結合我國秸稈還田的現狀及其對機械技術發展的需求，針對我國南方主要糧食作物收獲后滯留在田間的秸稈日益增高的態勢，提出了一種基於犁耕基礎上的集土壤翻耕與高稈翻埋功能於一體，結構緊湊、使用方便、性能可靠的機械化技術方案及配套裝置。Whereas the mortgaged house, as the subject - matter of insurance, is exposed to risk separately with its different parts. some risks work on the land, others do on its appurtnant buildings, which influences the insurable intrest
但是抵押房屋作為保險標的，各種風險因素發生作用的對象常常是分割的，有的風險作用於地上建築物，有的風險作用於土地，這就影響了可保利益的指向。Effect of some special compound fertilizer on shajiang meadow soil
作物專用摻混肥在砂姜黑土地區施用的增產效果及效益分析Agricultural intensification plays an important role in stabilizing the food production in china, while bringing about an increasing negative impact on the soil and eco - environment as a result of the long - term highly - intensive land use and agricultural chemical overuse, thus leading to degradation of soil physical, chemical and biological properties, which are demonstrated as soil nutrient imbalance, soil acidification, pollutant accumulation, and biodiversity deterioration and posing serious stress and threat to the ecosystem per se and the environment
摘要集約化農業對保障我國糧食安全發揮了巨大的作用，但其長期的土地高強度利用和農用化學品過量投入的負面影響也日益顯現，導致的以土壤養分失衡、土壤酸化、有害物質積累、生物多樣性衰退等為主要表現形式的土壤物理、化學和生物學退化，給生態系統本身與環境都帶來了巨大壓力和嚴重威脅。Abstract : problems caused in designing and management including configuring regulating devices, deciding spaces of the last pipelines, and working - out irrigation scheme in reason using drip irrigation in green houses and in covered lands are raising in recent years, theose not only affect benefits but also result in failing of projects
文摘:近幾年來溫室、大棚種植蔬菜採用滴灌技術的越來越多，但有些工程無論設計上、管理上都存在一些問題，包括調壓設備的合理配置，按土壤、作物、灌水器及滴灌總水量合理確定毛管（或滴灌帶）的間距，以及按大棚蔬菜的耗水特性合理確定灌溉制度等，上述各項確定的不合理，不但直接影響效益，嚴重時可導致工程失敗，值得重視。Its marginal efficiency in economy and environment is significant, since it makes full use of temporal and spatial variabilities of crops, soils, insect pest and disease to farming practices and field management
由於精確農業充分地利用了作物、土壤和病蟲害的空間和時間變化量來進行耕作和田間管理，因而，取得的經濟和環境邊際效益非常顯著。It goes on to define public welfare to include “ effects on soils, water, crops, vegetation, manmade materials, animals, wildlife, weather, visibility, and climate ” ? all the sorts of things with which global warming wreaks havoc
在對于公共福利利益進行詮釋的時候，他們認為應當這樣解釋? ?那些對于土壤、水、農作物、植被、人造原料、動物、野生群體、大氣能見度以及氣候有影響的、可能引發全球變暖這種災難性質的氣體都應當進行規制。Crop cultivation has been concentrated increasingly on soils with the most favorable moisture characteristics.
作物種植日益集中在水分條件最有利的土壤上。Abstract : based on the dynamic response model of crop to water - salinity, the relation between crop growing and soil - salt movement is analyzed. the optimal design model of irrigation schedule for high yield, water saving and salinity control is proposed. it helps to promote the management of water saving and utilization of poor quality water. case study shows that the model is reasonable and practical, the percentage of fresh water saved is 31. 1 % and the crop yield is optimized
文摘:本文根據作物水鹽動態響應函數，分析了作物生長與土壤水鹽運動關系，建立了節水、控鹽、高產灌溉制度優化設計模型，為節水灌溉和微鹹水利用提供了決策依據.實例分析表明，本文提供的模型及方法是合理的；實施節水、控鹽灌溉制度能帶來明顯的經濟效益和環境效益If runoff occurs, the clay and organic matter, being finer, would be transported more readily, and further, than the coarser fractions
對作物生長有益的粘土和有機物比其它物質更易流失。Professor lin bao, retired director of the soil and fertilizer institute, china academy of agricultural sciences, has been a long - term proponent of paying attention to all essential nutrients for sustained, profit generating yields
中國農業科學院土壤肥料研究所退休所長林葆教授長期倡導重視所有對作物生長必需的營養元素，以獲得持續及高效益的產量。分享友人