economic yield 中文意思是什麼
economic yield
解釋
經濟安全抽水率-
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。 -
The cultivation mode of high yield arid excellent quantity for ground cherry was introduced. meanwhile, the economic value was clarified from medical and edible aspects
摘要介紹酸漿優質豐產栽培模式，並從酸漿的藥用價值和食用價值的角度闡述了酸漿的經濟價值。 -
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 -
On the basis of the discussion of the ecological rehabilitation on subsidence land of coal extraction, the land structures of nourishment, plane and perpendicularity on subsidence area of coal extraction are differently designed. on nutritive structure green crops are mainly common crops, green vegetables, green forage crops and acquatic creatures. on plane structure the center of the subsidence land of coal extraction can be used as fish culture in net cage, the periphery can be established as fish pool and economic crops in water, and the outmost layer can be used as high - yield field, vegetable shed, domestic animal breeding area and fruit - bearing forest. on vertical structure the deepwater area can be established as fish pool and economic crops in water, and the uppermost layer can be developed as acquatic and semi - acquatic crops or dry farming crops
在討論採煤塌陷地生態復墾的基礎上，對新泰市採煤塌陷區生態復墾用地的營養結構、平面結構和垂直結構進行了優化設計.在營養結構上，綠色作物主要是農作物、蔬菜、飼料及水生生物.在平面結構上，在塌陷的中心地帶實施網箱養魚，外圍區建立精養漁塘和水生經濟作物，最外層生態復墾為高產農田、蔬菜大棚、畜禽養殖區和林果地.在垂直結構上，在積水區建立精養漁塘和水生經濟作物，最上層則發展水生、半水生及旱作綠色經濟作物 -
From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面，論述了稀土肥料促進作物生長、發育，提高作物產量，改善作物品質的效應與機理；影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能，繼而反饋調節作物生長；緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應；並以稀土在作物體內分佈與富集規律為參考，探討了稀土農用的安全性。 -
The results showed that there were significant difference in increased biomass yield, increased new shoots, n uptake efficiency, n physiological utilization efficiency, n economic efficiency and n use efficiency among 6 tea plant genotypes
結果表明，在4種施氮條件下，生物量增加值、新梢生長量、氮素吸收效率、氮素生理利用效率、氮素經濟效率和總的氮素效率存在著顯著的品種間差異。 -
This paper systematically analyzed and studied the impliment effect of the conversion of cropland to forest in chifeng. the results show that it can improve ecology environment, and promote agricultural production structure and its internal farming and animal husbandry structure, and it also improve the quality of farmland and grain yield per unit, transfer of rural surplus labor, increase income of farmers and herdsmen promote the farming and animal husbandry industrdialization and achieve the overall socio - economic development
本文通過對赤峰市退耕還林（草）工程實施效果分析表明:該項工程在一定程度上改善了生態環境，促進了農業產業結構及其內部種植業結構、畜牧業結構的調整與優化，推動了農牧業產業化經營及社會經濟的整體發展，有利於提高糧食單產、轉移農村剩餘勞動力、增加農牧民經濟收入。 -
The developing direction of citrus production at present and future in china has been suggested by considering and analyzing the plant area, yield, export, process, structure, economic development tendency and consume habit of china and other countries
、世界柑橘加工業的主體是橙汁生產，美國和歐洲的柑橘汁市場日趨飽和，但在亞洲卻出現了上升勢頭。我國年人均柑橘汁消費量僅為世界人均消費量的1 / 30 。 -
Specially prescribed fertilization on mulberry gardens versus conventional fertilization for improving yield and economic benefits
桑園測土分級配方施肥與常規施肥增產增效試驗 -
This fact makes maximum economic yield or mey results almost impossible
這使得最大經濟產量研究幾乎不可能。 -
Effects of tillering position and tiller number on economic yield of paddy rice
水稻不同節位和數量分蘗對經濟產量的作用 -
So maximum yield is for researcher ; maximum economic yield is for farmer
因此最高產量是為研究工作者，最大經濟產量是為農民。 -
In liaoning, the maximum economic yield research was neglected in the period of collective communes before
人民公社時期以前，遼寧省忽視最大經濟產量研究。 -
Maximum economic yield is the yield level where net profits are maximized in response to both appropriate inputs and management
最大經濟產量是在適當投入和管理下使凈利潤最大的產量水平。 -
After harvesting, we separated plant parts to determine economic yield and biological yield, calculated energy of the different parts according to a conversion ratio of energy and studied energy structure and energy efficiency of alley cropping by statistical analysis
通過兩年田間小區試驗，詳細記錄所有勞力投入、化肥投入、農藥投入、農事管理活動以及落葉的數量並折算為標準能量單位。 -
Maximum economic yield programs require research that develops economic thresholds for the need to apply disease control measures, . especially excessive amounts of tillage and the use of fungicides
最大經濟產量研究中，必需為必要防病措施制定一個經濟閥值，避免耕地次數過多或施用殺真菌劑過多。 -
The study of economic yield structure of crude oil is based on the facts that there are differences in crude oil qualities and in the methods or ways or processes to develop or explore the crude oil. by applying the theories of marginal cost and marginal profit and according to the market prices of crude oil, we determine corresponding yields of different crude oils, which make the total profit maximum
原油經濟產量結構研究是在油田存在不同油品、不同開發方式的情況下，運用邊際成本和邊際效益理論，根據不同的原油市場價格確定油田的效益產量，從而獲得最佳原油產量結構，達到獲取最大經濟效益的目的。 -
The initial phase of the maximum economic yield program is to conduct strip or small block trials in grower fields with a simple, but statistically valid, comparison of the standard production system with the maximum economic yield program
最大經濟產量計劃的初期階段，在農民大田中布置簡明、統計上有效的條帶或小區試驗，與當地慣常生產措施對比。 -
However, they must have clear explanations, and the personnel conducting the maximum economic yield program must determine any needed corrections for trials that follow
研究人員應對這些明確解釋，並能指出下次試驗中哪些因素應該進行校正。 -
Our congratulations to the organizers of this symposium for their efforts in furthering the discussion of maximum yield research ( myr ) and implementation of maximum economic yield ( mey ) production systems
我們祝賀這次會議的組織者努力引導對最高產量研究（ myr ）和貫徹最大經濟產量（ mey ）生產體系的討論。
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