field in crop 中文意思是什麼

field in crop 解釋
莊稼地
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • 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. Crop circles in my field

    我土地上的農作物圖案
  2. In the third chapter, the ratio of soil evaporation to crop transpiration under different furrow irrigation ways adopted in summer maize field was analyzed by using the measured data in lysimeters

    與固定隔溝灌相比,交替隔溝灌土溝的干濕交替循環不會使根區部分土壤出現長期極度乾燥的情況,因此對作物根系的生長和吸收比較有利。
  3. If that happened in the field she says wild oats might run amok in the western u. s. outcompeting native grasses with kudzu - like intensity. every gm crop power cautions brings its own environmental personality and its own risks

    她說,這種情形如果發生在野外,獲得抗病毒基因的野生燕麥便可能以燎原之勢席捲美國西部,將其他原生草類逼得走投無路。
  4. It is effective in controlling different phytophagous pests of field crop, ornamentals, vegetables, fruits and in controlling fire ants. to assess the potential impact of avermectins on the environment, the bioaccumulation potential of avermectin b1a, its major component, in sturgeon ( a. schrenckif ) was examined

    本文對阿維菌素( avermectin , avm )環境毒理的一部分內容進行試驗研究,主體試驗部分為研究進入到淡水中的阿維菌素在鱘魚體內的生物富集和生物消除規律。
  5. 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。
  6. Based on cultivating experiment of corn from 1996 to1999, the field researches on corn in arid mountainous area of changping was made on the sowing period, maize varieties, density of crop, methods of fertilizer application and mode of planting. furthermore, it is in this article that the system of cultivation techniques of high yield corn is discussed

    1996至1999年進行多年玉米旱地栽培試驗,對昌平山區旱地玉米的播期、品種、播種密度、施肥措施、種植方式進行了分析研究,探討了昌平山區旱地玉米的高產栽培技術體系
  7. Test and research of bubble irrigation for field crop planted in wide - row space

    大田寬行作物湧泉灌技術的試驗研究
  8. The integration of 3s ( rs, gis, gps ) which used in the field is the direction of development, and the diagnosis of crop condition will be the emphasis of studying

    隨著農作物長勢運行化監測系統的進一步完善,對田間管理的診斷需求會日益加劇,因此作物長勢的診斷將成為今後的研究重點。
  9. The epa he added continues to collect bt crop data but so far without evidence of unreasonable adverse effects on insects in the field

    他補充說,環保署會繼續搜集數據,但是目前還沒有證據顯示這類農作物會對野外的昆蟲造成「意想不到的惡果」 。
  10. The epa, he added, continues to collect bt crop data - but so far without evidence of “ unreasonable adverse effects ” on insects in the field

    他補充說,環保署會繼續搜集數據,但是目前還沒有證據顯示這類農作物會對野外的昆蟲造成「意想不到的惡果」 。
  11. Excessive rainfall and increasing plant hoppers are threatening china ' s rice crop, and 1. 2 million hectares of paddy field have been invaded in south china, up 40 percent over the same last year

    今年中國的水稻遭受著過多的雨水及越來越多的植食性昆蟲的危害.南方已有120公頃的稻田遭受到破壞,比去年同期增長40 % 。
  12. Crop - water relationship and availability of field irrigation water based on swap model simulation were studied in two areas of a largest - sized irrigation district - hetao irrigation district in the western arid area of china respectively according to its unique characteristics of hydrology and water resources so as to provide a theoretical basis and technical support for its water - saving transformation and agricultural sustainable development. the results can also be applied to other areas with similar natural and agricultural conditions

    本文針對我國西部乾旱區的特大型灌區?河套灌區所具有的獨特水文水資源條件,選擇兩個典型區域分別進行了作物-水分關系和基於swap模型模擬的田間灌溉水有效性研究,以揭示和確立水分對乾旱區作物產量的影響和量化表達與淺地下水位灌區農田水分運移轉化規律和灌溉水對作物生長利用效率的評價方法,為河套灌區以節水為中心的技術改造和可持續發展提供理論基礎和技術支撐。
  13. Greenhouse is the important part of installation agriculture. crop production in domestic and overseas greenhouses shows that advanced automation and management system for greenhouse will improve the efficiency of agriculture production. in this paper, intelligent greenhouse, as the focus of agricultural greenhouse field, is studied, and a measure and control system which can control parameters of temperature, humidity, illumination and co2 density of greenhouse is designed

    溫室是設施農業的重要組成部分,國內外溫室種植業的實踐經驗表明,提高溫室的自動控制和管理水平可充分發揮溫室農業的高效性,本文主要對當今農業溫室的研究熱點-智能溫室系統進行研究,設計了一套能實時控制溫室內溫度、濕度、光照以及co2濃度等多參數的測控系統。
  14. The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district. then the traditional irrigation schedules of winter wheat and summer maize, which are the main crops in bojili, were evaluated with simulating model isareg. third, the field application efficiency in the experimental areas was evaluated from three methods

    本文即是由灌區實測資料計算各種作物需水量,推求其凈灌溉需水量;然後通過模型檢驗現行作物灌溉制度是否具有合理性,並對田間灌溉系統進行評價,求其實際田間灌溉效率;最後由兩種不同灌溉制度方案的對比,確定試區合理的作物灌溉制度,在此基礎上求出各代表年的田間灌溉需水量和用水過程線。
  15. In the fourth part, the field irrigated water requirement were gotten based on the recommended irrigation schedules and irrigated areas often crops. in this paper, the reference evapotranspition et0 in three counties in bid was computed by penman - monteith method and the crop coefficients, kc of ten crops by kcisa model and the crop water requirements, etc, were computed simply by kc et0. meanwhile, four representative years by frequency analysis are gotten according to net irrigation requirements and planted areas of different crops in bojili irrigation district

    本文首先採用fao最新推薦的penman - monteith方法計算灌區的參照騰發量et _ 0 ,用kcisa按照fao的計算方法推求十種作物的作物系數k _ c ;由此基礎上計算出作物需水量et _ c ,根據結果分析了不同作物的需水規律;同時用作物缺水量nir (凈灌溉需水量)進行頻率計算,求出了灌區的四個代表年,並分析了代表年年內自然水分狀況和作物缺水規律。
  16. Traditionally, plantain has been treated as a semi perennial crop with different plant arrangements in the field, according to the different agro - ecological zones and the growers objective

    根據不同的農業生態區域和種植目的,大蕉被當作具有不同種植方式的半多年生作物。
  17. Biodiversity exists among am fungi and is influenced by numerous factors including soil properties and plant species. if am fungi are to be used in sustainable agricultural systems it is necessary to study native am fungi in the target areas and then select efficient isolates that can be applied as inocula in the field to improve crop growth. the objectives of this study were to investigate the germplasm of am fungi, to understand the distribution pattern of am fungi in different ecological conditions such as area, soil factor and host plant, to select isolates effective in nutrient acquisition by the host plant sweet potato, to test their effectiveness under field conditions, and to monitor amf after their introduction into the field

    本研究通過調查我國北方部分地區的am真菌資源,研究了am真菌的種群組成及其在空間、土壤利用方式和宿主植物類型等不同環境條件和空間尺度上的分佈規律;在此基礎上,根據它們對甘薯的生長、吸磷效應篩選出高效菌株,在大田條件下研究了am真菌菌絲的分佈特性、代謝活性及其對甘薯產量和品質的影響;並通過分子探針跟蹤調查了引入am真菌在共生體中的發育和表達,以期為菌根真菌的生產應用提供技術支持。
  18. A series methods of data combination analyzing are selected to form the operating method system for crop discrimination. combining gis, gps, and other data from field work with rs data can determine interpretation features and set off working regions, combining rs data can enhance spatial features in order to do unsupervised classification efficiently, union of gis data enable us to join maps and extract features, to analyze crop structure, crop calendar, cultivating system

    本項研究篩選出了構成運行化作物遙感識別技術體系的一系列數據復合分析方法,包括gps 、 gis數據以及其它田間作業信息與rs數據之間的復合,確立解譯標志和劃分作業區; rs數據之間的復合,進行圖像增強,改善非監督分類效果; gis數據之間的復合,分析作業區作物結構、物候和耕作制度現狀,地圖拼接、特徵提取等。
  19. Representative test of sampling observational results in crop field experiments

    作物小區試驗抽樣觀測結果代表性的檢驗
  20. Crop simulation technology is a new research field in agricultural science today

    摘要作物模擬技術是當今農業科學中一個新的研究領域。
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