播前施用 的英文怎麼說
中文拼音 [bōqiánshīyòng]
播前施用
英文
preplant treatment-
Abstract : the results of field experiment of comparison and demonstration in a large area showed that treating seed with imidacloprid and applying it in the late seedling stage and the early field stage can control small brown - back rice planthopper better, and prevent the epidemic of rice black - streaked dwarf virus disease effectively
文摘:通過田間對比試驗和大面積示範應用證明，播種時以吡蟲啉拌種，秧田後期、本田前期噴施康福多、撲虱靈，可以較好地控制灰飛虱，從而有效地控制黑條矮縮病的流行。President bush used his weekly radio address to defend the recent administration report on mixed progress in iraq, saying his strategy for success is built on the premise that greater security will pave the way for political reconciliation
總統布希利用他每周的廣播演說來辯護最近發表的關于在伊拉克綜合進程的行政報告.他表示他的成功策略有個前提條件，即用更強大的安全保障措施為政治調協鋪設道路In this article, several evaluation methods including performance test, user survey, tracking investigation and integrated evaluation are presented to evaluate the suitability of farm machinery through the exploration and practice on machine selection experiment of no - tillage seeder, and some questions in evaluation process are put forward and the corresponding solutions are also given
本文結合免耕播種機選型試驗中，對免耕播種機進行的適用性試驗及評價方法的研究、探索和實踐，提出了採用性能試驗法、用戶調查法、跟蹤考核法和綜合評定法等方法對農機適用性進行評價，並對目前實施農機適用性評價存在的問題進行了分析，提出了相應的解決辦法。This seems to be its main advantage for irrigated wheat over applying all the n before planting
這似乎是灌溉田小麥分施氮肥比播種前一次施用所具有的優點。In order to reduce the influence of herbicide to environment, and improve the safety of using herbicide, a new form 40 % fomesafen - harness suspension emulsion was sprayed before germination, and was compared the safety, weed control effect and yield with other herbicides
摘要為減少除草劑對環境的影響，提高除草劑使用安全性，本文以新劑型40 %虎乙懸浮乳劑播后苗前施藥，與大豆田常用除草劑進行安全性、除草效果及產量比較。The text introduced concretely at present home the most advanced technology in floating system including the preparing of nurturing lymph, the selection and facture of seedling bed, the formulation substrate and dedicated fertilizer, seeding, the fertilizing and administration in lymph pool, and so on
摘要具體介紹了目前國內最先進的煙草漂浮育苗技術，包括育苗材料準備、苗床位置選擇及製作、育苗基質及專用肥配製、播種、苗池施肥和苗床管理等。Users of playstation 2 could limit access, but only to movies, not games
此前， playstation2的用戶只能控制播放限制級電影，而無法對不良游戲實施監控。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。分享友人