crop science 中文意思是什麼
crop science
解釋
農作物科學-
Through analyzing guan zi, zhao guo, fan sheng zhi shu, si min yue ling and other agricultural books, some agronomists on agricultural education, it states that in west han and east han dynasties agricultural science and technology made great progress, such as soil and tillage, drainage and irrigation, farm implements, crop cultivation, gardening, silkworm raising and mulberry growing, environment and ecology, agricultural economics and management
通過對《管子》 、趙過、 《 ?勝之書》 、 《四民月令》等農書及農業科學家農業教育的闡述，指出了兩漢時期的農業教育主要在農業科技教育方面取得進展，具體體現在土壤耕作教育、農田水利教育、農機具教育、作物栽培知識教育、園藝知識教育、蠶桑知識教育、環境生態教育、農業經濟管理教育等方面。 -
Including actuality evaluation, environmental identification analysis, dynamic harmonious analysis, dynamic simulation analysis and policy decision putting into optimization scheme. the results showed as follows. 1, in the current agricultural production structure, output value of animal husbandry and crop planting occupy 93. 4 % of agricultural total output value, and forestry and fishery do not get fully reasonably develop ; the wild economic vegetables and fruits resources and water resources etc, are the superiority environment factors of agriculture development of this area, and the slope farmland and service system etc, are limited environment factors, and the science - technology and labor quality etc, are potential environment factors ; there exists some problems in the agricultural production system, for example, single productive constitution do n ' t correspond with varieties of resources, rich plant resources exploitation scarcity and economical crop development lag
本文選擇四川盆周山區這一特定地貌區域作為研究對象，以滎經縣為代表研究了該區農業生產結構的優化調整，包括農業生產系統的現有結構評價、環境辨識分析、動態協調分析、動態模擬評價分析和實施優化方案的決策建議，結果表明： 1 、滎經現有結構為以畜牧業和種植業並重的豬糧為主的農業生產結構，二者產值占農業總產值的93 . 4 ，林業、漁業未得到充分合理發展；野生經濟菜果資源、水資源等為該區農業發展的優勢環境因子，坡耕地、服務體系等為限制環境因子，科技、勞動力素質等為潛力環境因子；同時該區農業生產系統存在著生產結構的單一性與資源多樣性的利用不協調、豐富的植物資源開發不足、經濟作物發展滯后等問題。 -
According to the natural characteristics of maowusu desert, insisting crop plantation animal husbandry should be mainly insisted with the innovation of science and technology. 5 kinds management patterns were developed for animal husbandry and in order to expand the ways for increasing peasants economic income and promote the economy of area, realize the coordinative development of ecological environment, economy and society
摘要根據鹽池縣毛烏素沙地自然特點，堅持以發展種植業、畜牧業為主線，以科技創新為動力，開發出5種毛烏素沙地草地畜牧業經營模式並進行示範，以擴寬增加農民經濟收入渠道，促進區域經濟的發展，實現生態環境、經濟、社會的協調發展。 -
They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world
在此基礎上，篩選出23個警兆指標：農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金比重及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同時論文在預警方法上作了新的嘗試，把糧食價格預警問題轉換成一個機器學習問題，引進當前國際上機器學習領域中比較熱門的統計學習理論和支持向量機方法，用順序回歸演算法對歷史數據進行學習建立了糧食價格預警模型。 -
During the 9th five - year - plan period 1996 2000, we completed the research project on energy crop - sweet sorghum development and comprehensive utilization for the state science and technology commission
北京綠恆益能源技術開發中心北京泰天地能源技術開發公司王孟傑，孫宏，肖明松 -
The european journal of agronomy, the official journal of the european society for agronomy, publishes original research papers reporting experimental and theoretical contributions to crop science in many fields, such as crop physiology, crop production and management, agroclimatology and modelling, plant - soil relationships, crop quality and post - harvest physiology, farming and cropping systems, and agroecosystems and the environment
描述: 《歐洲農學雜志》是歐洲農學會的會刊，刊登有關農作物科學方面的實踐性與理論性的原創性文章，涉及作物生理學、作物生產與管理、農業氣候學與模擬、植物與土壤的關系、作物質量與生理學、耕作與作物系統及農業生態系統與環境等學科。 -
With a great personal interest in science and technology, king bhumibol concentrates on major development projects as wide ranging as irrigation and crop substitution programmes
帶著對自然和技術工藝的濃厚興趣，國王密切關注灌溉農作物嫁接等廣泛范疇的主要發展計劃。 -
The mission of bayer crop science china : to use technology and information to create value for farmers
最出色的作物保護公司- -拜耳作物科學助中國飛速發展一臂之力！ -
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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