一些作物已经进行基因改造而包含蓝四氮唑，也就是控制某些病虫害的一种病菌。
Some crops have been genetically engineered to contain Bt, a bacterium that controls certain insect pests.
笔者在研究四川省竹类病虫害发生及危害特点的基础上，对其成因进行了分析，探索了竹类病虫害的控制途径。
On the base of studying the characteristics of diseases and insect pests in Sichuan province, this paper makes a analysis on the cause of formation and probe into the controlling way?
直接播在地里，土壤传播的病虫害较多，地温较低，水分和湿度不易控制，影响发芽率。
Sow directly in the ground, the plant diseases and insect pests that soil transmits is more, ground temperature is inferior, moisture and humidity are controlled not easily, affect gemmiparous rate.
这是无公害生产中控制病虫害最直接、最有效的方法。
This is harmless to cultivation controls insect pest and disease to be most direct, the most effective method.
利用生物防治法控制园林病虫害。
Using bio-control approach to control and manage the pest and disease.
为控制病虫害，生产者将不得不大量使用各种农药，特别是化学农药的不合理使用，降低了蔬菜产品的安全性。
In order to control the pest, producers will have a variety of large-scale use of pesticides, especially the irrational use of chemical pesticides, greatly reducing the safety of vegetable products.
豌豆是人类和动物的营养物，作为覆盖作物有效控制病虫害，固定氮素。
Pigeon pea: cover crop suited to human and animal nutrition, pest and disease control, N fixation and P disponibility.
实践证明，选育和利用抗性品种是控制作物病虫害的最为经济有效的途径。
It has been confirmed that the use of plant resistance as a pest management strategy is the most effective and economical method.
农药曾经为人类控制生物病虫害作出过巨大贡献，但是农药污染也破坏了生态环境，对野生鸟类的生存造成了严重威胁。
Pesticide has made a great contribution on controlling plant diseases and insect pests, however it also contaminated ecological environment and threatened the security of birds.
他是生态学、昆虫学、农业病虫害、环境教育、可持续性、生物控制与农业生态学领域国际承认的专家。
He is an internationally recognized expert on ecology, entomology, agricultural pests, environmental education, sustainability, biological control, and agroecology.
针对萍乡森林病虫害发生情况、特点及成因分析，提出有效控制防治对策。
According to analysis of the reason, condition and character of forest disease and insect pest in Pingxiang City, the author put forward effective prevention and control countermeasures.
病虫害防治最后的办法才是化学控制，首先应该使用综合防治办法。
He said a last choice would be chemical control. But he suggests using management methods first.
病虫害防治最后的办法才是化学控制，首先应该使用综合防治办法。
He said a last choice would be chemical control. But he suggests using management methods first.
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