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- Echinochloa crusgalli is one of main chemical control weeds in paddy fields.It is one of the key factors of rice stability yield to control effectively barnyard grass. 摘要稗草是直播稻田及水稻轻型栽培的主要杂草,控制好稻田稗草是直播田稳产的关键因子之一。
- Chemical control weed 化学除草
- The present results show that chemical combined mechanical methods control weed well than other practices. 现有的研究表明,化学与机械结合的防治措施能更好地控制杂草;
- Chemical control is the last resort. 化学防治是最后的措施。
- Chemical control test of Cryptorrhynchus lapathi L. 杨干象的药剂防治试验。
- Chemical Control Technique for Seed Pest in Picea crassifolia kom. 青海云杉种实害虫化学防治技术。
- As you see, I am under nervous as well as chemical control. 正如你所知道的那样,我不但受化学的控制,还受神经的控制。
- Practical experiences in chemical control of Meloidogyne spp. 蔬菜根结线虫病药剂防治的实践体会。
- Moreover, EM application could control weed germination and growth to some extent. EM的应用在一定程度上可以抑制杂草的发生和生长。
- The early definitions stressed a blend of biological and chemical control. 早期的定义强调生物和化学防治结合。
- Irrigation has been used where needed and modern chemical to control weeds. 需水的地方有了灌溉设施,并且采用了现代化学药剂以控制杂草。
- Plating chemicals control and analysis. 负责电镀药水的控制和分析。
- Study on biological characteristics and chemical control of Pissodes sp. 红松木蠹象生物学特性及幼虫化学防治的研究。
- Experiment on Chemical Control of Lophodermium Pinastri(Schrad)Cher. 松落针病药剂防治试验
- In this experimentation the difference of tolerance, the cell, the Als and the effect of control weed were studied by the different variety of maize treated by the mixture of nicosulfuron and organophosphorous insecticide. 为研究磺酰脲类除草剂与有机磷杀虫剂混合使用时产生的药害及药效,本试验选择烟嘧磺隆与对硫磷作组合处理,研究了不同玉米品种在该处理下的耐性差异、细胞水平上的差异、酶水平上的差异和除草效果。
- A truly extraordinary variety of alternatives to the chemical control of insects is available. 在用化学方法控制昆虫方面,有各种各样非常奇妙的方法可以利用。
- Chemical control technique of stem-bulb rot caused by Fusarium solani in Cycas sp. 苏铁镰刀菌球茎腐烂病化学防治技术研究。
- Samples (attached with analytical report), standard products or chemical control sample of the animal drugs. 兽药的样品(附检验报告书)、标准品或化学对照品。
- This method covers soil body with plenty of crop stalk and deserted stubble, simplifies cultivation to the degree in which seeds can pullulate, and controls weed, disease and vermin by pesticide. 它是一种用大量秸秆残茬覆盖地表,将耕作减少到只要能保证种子发芽即可,并主要用农药来控制杂草和病虫害的耕作技术。
- "Are the chemical controls based on the process chemistry suppliers TDS? 是否根据化学药水供应商TDS对化学药水进行管控?"