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.
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