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technique of chemical control
相关语句
  药剂防治技术
     Studies on Technique of Chemical Control of White Grubs in Peanut Field
     花生田蛴螬药剂防治技术研究
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  “technique of chemical control”译为未确定词的双语例句
     4. Through outdoor effect test, select a set of high effect and low poison and low remnant pesticide, standardize the technique of chemical control, improve the proportion of the use of bio-pesticide.
     4. 通过田间药效试验,筛选了一批高效、低毒、低残留农药,规范了无公害药材的害虫化学防治技术,生物农药使用比例上升,完善了害虫综合防治技术。
短句来源
     The controlling measures are put forward as agricultural control, using cotton bollworm resistance varieties, improving the technique of chemical control.
     并从农业防治、推广抗虫品种、改进化防技术等方面提出了防治对策。
短句来源
  相似匹配句对
     and (h)The integrated technique for control.
     ⑧有害生物的综合防治技术。
短句来源
     Chemical Control of Ragweed
     豚草化学防治效果的研究
短句来源
     The technique on redundant control
     冗余控制技术
短句来源
     Chemical Grafting Technique
     化学接枝技术
短句来源
     CHEMICAL CONTROL TECHNIQUE OF TEA THRIPS ( DENDROTHRIPS MINOWAI )
     茶棍蓟马的药剂防治技术
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The pine caterpillar is a major forest pest in China. The gorernment organized three departments of teaching, scientific research and practice to integrate management of pine caterpillar during the 6th-five-year plan and 7th five-year plan. Through a ten-year test we have obtained an effective method of controlling pine caterpillar, which have been systematically summarized in theory and practice. This paper has made a synthetic review how to reasonabl apply technique of chemical control in integrate management...

The pine caterpillar is a major forest pest in China. The gorernment organized three departments of teaching, scientific research and practice to integrate management of pine caterpillar during the 6th-five-year plan and 7th five-year plan. Through a ten-year test we have obtained an effective method of controlling pine caterpillar, which have been systematically summarized in theory and practice. This paper has made a synthetic review how to reasonabl apply technique of chemical control in integrate management of pine caterpillar. ① Executing rational pest management in order to make a chemical control into a main way of control pest. ② The insecticide of pyrethroid has become an effective insecticide of controlling pine caterpillar. ③ The insecticide of benzoylphenol vrea is a desirable bionics agent in controlling pine caterpillar. ④ Improving a fine spraying method is an important step of using insecticide to enhance an efficiency of controlling pest. ⑤ The technique of insecticidal smoke generator is a simple applying way, which has enjoyed growing favour. ⑥ Prospect: The development of insectistatics of nonbiocides will improve the technique of applying insecticide to a higher level.

松毛虫是我国林业第一大害虫。“六.五”和“七.五”期间,国家组织教学、科研和生产部门对松毛虫综合防治技术进行科技攻关和试点实践。经过10年的努力,摸索出一套有效的防治办法,并系统地全面总结了松毛虫综合治理的理论与实践,使松毛虫防治工作不断深入发展。本文就松毛虫综合治理实践中,如何合理应用化学防治技术作综合述评

The paper reported the main diseases of defoliated fruit tree,techniques of chemical control,the problem occurred in the process of control and prospect techniques of chemical control to defoliated fruit tree in the future.In order to ensure the high effect of defoliated fruit tree,high products and high quality the techniques of chemical control are needed in some diseased area.

论述了落叶果树主要病害的种类、病害化学防治的现状、病害化学防治中出现的问题 ,并对今后果树病害化学防治进行了展望 ,以保证果树的高效、高产和优质生产。

The Occurrence rule and character of rice planthopper in Jianghuan Region were studied through the analysis of data and experimental result. While backed planthopper presented in the early period of rice growth, the damage was serious and the damage lasted for long time. The damaged time of brown planthopper was ahead and the damage happened in many generations. The main affecting factors, disastrous characters and happening reason of rice planthopper were analyzed and the techniques of chemical...

The Occurrence rule and character of rice planthopper in Jianghuan Region were studied through the analysis of data and experimental result. While backed planthopper presented in the early period of rice growth, the damage was serious and the damage lasted for long time. The damaged time of brown planthopper was ahead and the damage happened in many generations. The main affecting factors, disastrous characters and happening reason of rice planthopper were analyzed and the techniques of chemical control weres put forward.

通过历史资料分析、调查研究及田间试验 ,总结了江淮南部稻区 (庐江 )稻飞虱发生规律及 2 0世纪 90年代以来发生新特点 :白背飞虱初见期提早 ,主害代次增加 ,为害时期拉长 ;褐飞虱主害代前移 ,主害代次增加。分析了稻飞虱的主要影响因素、大发生特点及成因 ,提出了稻飞虱的药控技术

 
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