water crop 中文意思是什麼

water crop 解釋
出水量
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • crop : n 1 農作物，莊稼；收獲；收成；〈the crops〉 一季的收獲量，產量。2 （同一時期出現的人物等）一批，...
  1. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究，通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計，在此基礎上，以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據，對已成林的針葉林與闊葉林進行森林生態系統的價值估算，得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元，參照這一生態價值量，把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物，以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  2. It was found : 1 ) the film restrained evaporation surface intensity and had obvious function of rising and keeping moisture, 2 ) the drip irrigation could supply water according to growing requirement and augment of water conflux intensity around crop root, it also had strongly controllable operation and wasted fewer water

    覆膜抑制了土壤表面的蒸發面匯，具有明顯的提墑保墑作用，滴灌能隨時根據作物生長需要及作物根系匯流強度的增大而補充匯流源，可控性很強，水的浪費率很低。
  3. The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter

    （ 4 ）夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內，其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。
  4. A trio of researchers compared donors with a gaggle of crop - growers, spraying water hither and thither, leaving some plants parched, others deluged

    三名研究人員將捐助國比作一群作物栽培者，灑水時這邊灑一點、那邊灑一點，一些植物因沒澆到而乾燥不堪，而其它的則因過量而積水成澇。
  5. The no - tillage and culture focus more on creating better conditions for microbe decomposing the crop residue compared with no - tillage. there are four principle in it : 1 ) successive capillary water circulation ; 2 ) successive no - tillage ; 3 ) successive multiple crop rotation ; and 4 ) successive " ridge and furrow culture ". by these devices taken, the soil accumulate more organic matter in shorter period compared with general no - tillage

    將秸稈混入土壤中分解，壟、溝搭配，保持土壤的浸潤狀態和連續植被，不僅解決了覆蓋免耕制中有機質分解、轉化慢的問題，而且使輸入土壤的有機質分解、轉化更加迅速，所以在促進土壤有機質循環方面自然免耕製表現出明顯的優越性，土壤有機質遂表現為快速的增長。
  6. Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration

    第二條本法所稱農業技術，是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術，包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術，農副產品加工、保鮮、貯運技術，農業機械技術和農用航空技術，農田水利、土壤改良與水土保持技術，農村供水、農村能源利用和農業環境保護技術，農業氣象技術以及農業經營管理技術等。
  7. Responses of soil water and fertility to the alfalfa crop rotation in semiarid loess area of china

    半乾旱區不同作物與苜蓿輪作對土壤水分恢復與肥力消耗的影響
  8. Conservation agriculture helps to retain crop residue on the soil surface to minimize water and wind induced soil erosions. consequently, sand storms are reduced. it also leads to increases in soil organic matter by sequestrating atmospheric co2 to reduce greenhouse gas effects

    20世紀80年代，我國科技人員開始對保護性耕作技術進行試驗研究，通過研究表明，在中國實施保護性耕作可以起到蓄水保墑節本增效抑制農田揚塵增加土壤有機質的作用，具有明顯的經濟生態效益。
  9. It focuses on villagers in dranang county in shannan prefecture, and naqu and nierong counties in naqu prefecture, and works with the community to improve local capacity in seven key areas : 1 domestic and stock water supply and management ; 2 improved crop production and management mainly in dranang county ; 3 livestock and rangeland management ; 4 development of improved social forestry and environmental programs involving village and homestead tree plantations ; 5 improved sanitation, preventative health measures and mother child health care ; 6 identification and development of income generation opportunities, both on - farm and off - farm ; 7 capacity building for government administrators to implement poverty reduction strategies

    自治區基本生活改善項目bhnp是一個綜合性的農村發展項目，其基本宗旨是提高項目區當地政府和農村社區減少貧困及解決基本需求的能力。項目活動主要集中在山南地區的扎朗縣和那曲地區的那曲縣和聶榮縣，分為七個主要領域： 1人畜飲用水系統安裝及管理
  10. Including irrigation time, frequency, and quantity of water, of which based on the evapotranspiration rate and crop coefficients in different months and the rank of visual appearance of different date

    根據草坪質量與土壤含水量、土壤水勢的相關性及作物系數、蒸發量等參數，準確計量其灌水時間、灌水量和灌水頻率。
  11. On the base of var. analysis significance of the experimental treatment, we investigated crop response to water - salt stress regularity, studied the quantity relationship about crop yield and soil water and salt, established a function about them referring to blank and jense water model. conclusions as follows : ( 1 ) the effect of germinating time and rate emergence are different in soil with different salt content, and limited seriously in heavy saline soil

    在方差分析確認試驗處理顯著的基礎上，對作物生理生育指標（株高、莖粗、葉片數、花盤直徑、干物質量、葉水勢、籽實產量）進行統計分析探索作物水鹽響應規律；研究作物產量與土壤水分鹽分聯合作用的定量關系，參照水分的blank加法和jense乘法模型結構，建立作物水鹽響應模型。
  12. At present, the studies about the controlled alternate furrow irrigation are focused on how it affects the water physiological indexes, water consumption and yields of crops. but, some problems suc h as the soil infiltrative parameters, irrigating water advancing, water redistribution in soil, calculation of crop water requirement and water consumption, and the upper and lower limit indexes of soil moisture, guiding a field irrigation after the controlled alternative furrow irrigation is implemented in field, have not been researched systematically and deeply. if these problems could not been solved commendably, the popularization of controlled alternate furrow irrigation will be affected

    然而，目前有關交替隔溝灌溉的研究還主要集中於這種灌水方式對作物水分生理指標、耗水量和產量的影響方面，而對大田採用這種灌水式后的土壤入滲參數變化情況、作物需水量與耗水量計算、以及指導大田灌溉的水分下限控制指標等與大田生產實際密切相關的幾個問題基本上還沒有進行系統的深入研究，而這些問題如不能得到很好地解決，勢必會對這種灌水方式的推廣應用產生嚴重的影響。
  13. ( 2 ) irrigating with less water, only when the quantity of irrigating water in a puddle is more than 4000m1, it can spread into 20cm depth where the crop roots are gathered. otherwise, it is hard for the crops to absorb the irrigating water, and the irrigating water is wasting. ( 3 ) the vertical distribution state of n. p. k. is that, n. moves with the irrigating water fast and most of n. gathers in the soil of 30 - 40cm depth ; the moving rules of p. and k. are similar

    （ 3 ） n 、 p 、 k元素在土壤中的垂直分佈狀況為： n素隨滴灌水在土壤中的流動性較強，在30 ? 40cm土層集聚量較大； p素和k素在土壤中運移規律基本相似，都以土表集聚為主，到30 ? 40cm土層， k ~ +含量就接近對照，這說明土表滴灌施鉀肥實際意義不大。
  14. 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。
  15. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明，水分脅迫導致玉米株高和葉面積指數降低，以拔節期受到影響最大；玉米產量與生物量呈顯著正相關關系，產量與根重無顯著正相關關系；水氮耦合效應顯著，適宜水分和中氮處理下玉米的產量最高，玉米生長發育對氮肥的吸收存在一定的閾值，過多施用氮肥會加劇土壤乾旱和作物乾旱，水和鉀耦合效應對玉米產量影響不顯著；水分是影響玉米產量的主導因素，其次是氮效應和鉀效應。
  16. The fresh soil and water loss caused in the road construction often appears at the roadbed, rock slope and the place for the discarded soils and gravel, which will do harm to the rivers, reservoirs and the crop fields and pollute the surrounding environment

    道路建設產生的新的水土流失主要發生在挖方、填方路基、邊坡、棄土（石）場以及施工過程中的亂挖、亂堆、亂倒，它主要危害建設區內的河流、水庫、農田和村莊，污染周圍環境。
  17. The water level of the river networkcan be regulated effectively to meet crop demand, by controlling open time and lifting height of thetidal gate

    通過調節擋潮閘的運行時間和開啟度，使該系統既能滿足排澇要求，又能合理控制河網水位，使之滿足農作物生長對地下水位的要求。
  18. Abstract : the paper summarized the present situation of nitrate pollution in some area of our country where the surface water, underground water and vegetable crop were polluted by using nitrogen excessively, put forward some proposals and control countermeasures to prevent the nitrogen pollution in agriculture ecology environment such as draw up the " pollution prevention administrative stipulate for farm land fertilizer application "

    文摘:概述了我國部分地區因過量施用化肥氮而導致對地面水、地下水及蔬菜造成硝酸鹽污染的現狀；提出了制定《農田施肥污染防治管理規定》等防止農業生態環境氮污染的對策意見。
  19. Secondly, many crop water parameters, including eta, wue and water sensitive parameters etc., were studied through onsite experiment, typical household survey and other methods. by analyzing crop water usage characteristics, we concluded : 1. about eta : the amout of pear water consumption was highest ( 750. 2mm ), however, the watermelon planted in greenhouse consumed only 266. 5mm ; 2

    通過對大田作物需水量與自然降水量的平衡分析，可以將順義區主要大田作物分為三類： 1 ）灌溉需求量較大的作物，包括水稻、冬小麥、苜蓿、棉花； 2 ）灌溉需求量較小的作物，包括夏播作物（夏玉米、夏花生、夏大豆）和耐旱、避旱作物（高梁、穀子） ； 3 ）中間型作物，包括大部分春播作物（春玉米、春花生、春大豆等） 。
  20. This fact was borne out by a poem the famous tang poet bai juyi wrote for the local people upon leaving hangzhou after his tenure as a local official had expired : " as i bid farewell to you all, i have have nothing but to leave behind a lake full of water in case you come across a year of crop failure.

    西湖的時間美來自於杭州優越的區位及其亞熱帶氣候。這里四季分明，每季自然景觀各異，春花秋月，夏雨冬雪，各具特色。同時，朝暮晝夜的變化，賦于西湖各種光線色彩與雲霞煙靄的變化，使之更為迷人。
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