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- How to control pests and diseases for mulberry trees in winter? 桑树冬季病虫害防治技术?
- And that are less likely to be attacked by pests and diseases. 以及那些不易受病虫害影响的。
- Good husbandry keeps pests and disease in check. 好的种植饲养抑制害虫和疾病。
- Pests and diseases: The feijoa is remarkably pest and disease-resistant. 病虫害:美埝着抗病虫害.
- Control measures of major pests and diseases are also described in this paper. 笔者还对主要腰果病虫害提出了相应的防治措施。
- Soil or even sand, and that are less likely to be attacked by pests and diseases. 沙漠地上生长而不易受病虫害影响。
- What pests and diseases should be prevented and controlled in the orchard in winter? 果园冬季可防治哪些病虫?
- And the happening actualities and methods of prevention and control on pests and diseases of poplar were expounded. 介绍信阳杨树上常见病虫害,阐述杨树病虫害发生现状,并提出防治方法。
- Rational intercropping can improve crop yields and decrease occurrence of pests and diseases. 合理的间作套种可以提高作物产量,减轻农作物病虫害的发生。
- Winters no longer get cold enough in many places to kill off different pests and diseases. 许多地方的冬天不再那么寒冷了,无法扼杀各类害虫和疾病。
- Pests and diseases are a major problem: as much as 4 million tonnes are lost annually to Colorado beetle, late blight and viruses. 病虫害是一个主要问题:每年因科罗拉多甲虫、晚疫病和各类病毒而损失的马铃薯多达400万吨。
- Agriculture becomes less able to adapt to environmental changes, such as global warming or the appearance of new pests and diseases. 农业变得越来越不能适应环境的变化,如全球变暖或新型病虫害的出现。
- The major pests which did harm to poplar were wood borer and defoliator.The pests and diseases of poplar in Xinyang City were introduced. 摘要目前危害杨树的病虫害主要是蛀干害虫、食叶害虫和病害。
- The occurrence prinipal and control techiques of pests and diseases were forwarded to provide the reference for turf maintenance. 并阐述了病虫害发生规律及防治技术,旨在为足球场草坪病虫害的防治提供参考。
- Australian quarantine is needed to keep out exotic pests and diseases that could affect native flora and fauna, human health, agricultural industries and our environment. 澳大利亚需要检疫制度来防止其他国家的病虫害侵入,从而保护自己的动植物、人民健康、农业和环境。
- The final option is for the already capitalized investor and may become limited by pests and diseases (Andrade &Cardoso 1984, Freire &Ponte 1976) in the future. 最后的选择是为已投资的出资人准备的,巴西坚果在未来由于害虫和疾病(安德拉德&卡多佐说,1984年,弗莱雷&蓬特1976年)变得稀有。
- At last the suggestion of pay more attention to the relationship of mineral nutrients and pests and diseases control in intercropping system in future study was advanced. 同时阐述了矿质营养与病虫害发生的关系,并针对目前间套作系统中养分与病虫害关系研究的空白,提出今后的研究应加强间作系统中养分与病虫害控制方面的研究。
- The characteristic, variety and cultivation technology of ornamental pumpkin were discussed, included breed, transplant, pests and diseases control, and harvest techniques. 摘要详述了观赏南瓜的特征特性、主要品种及栽培要点:包括育苗、定植、病虫害防治和采收。
- The final option is for the already capitalized investor and may become limited by pests and diseases (Andrade & Cardoso 1984, Freire & Ponte 1976) in the future. 最后的选择是为已投资的出资人准备的,巴西坚果在未来由于害虫和疾病(安德拉德&卡多佐说, 1984年,弗莱雷&蓬特1976年)变得稀有。
- By eavesdropping on plants it should be possible to develop an early warning system to detect pests and disease. 通过探测植物的声音可以形成预警机制,探明植物病虫害情况。