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根区施药来源于深层施药,后来考虑到所施用的药剂主要在作物的根际被吸收,不一定要施入很深的土壤中去,而主要在水稻根区就能收到效果,所以改为“根区施药”较妥。在病虫害的综合防治中,化学农药起着重要的作用。但还须研究怎样做到合理使用农药,使能更好地发挥其药效。为此,我们开始改内吸性农药为根区施药,通过根部吸收来提高害虫防治的生态效益和经济效益。华南农业大学植保系于1975年开始进行根区施药的试验研究。起初在昆虫毒理研究室的
Root zone drug application comes from deep application, then consider the application of the drug is mainly absorbed in the rhizosphere of the crop, do not have to be applied to deep soil to go, but mainly in the rice root zone will be able to receive results, So instead of “root zone drug application” is better. In the comprehensive prevention and treatment of pests and diseases, chemical pesticides play an important role. However, we must also study how to make rational use of pesticides to enable them to better exert their efficacy. To this end, we began to change the absorption of pesticides in the root zone for drug application, through the root absorption to improve the ecological and economic benefits of pest control. South China Agricultural University Plant Protection Department started in 1975 to test the root zone drug application. Initially in the Insect Toxicology Laboratory