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根据几年来柑桔栽培的实践证明，柑桔栽培经济效益的高低与害虫防治有效程度关系极为密切。经调查，在相同栽培环境条件下，同一时期栽植的柑桔户，经济收入存在着显著差异。究其产值低的原因是害虫在果园中为害防治不及时，传染了一系列柑桔衰退性病害，影响了正常结果，...
According to several years of practice of citrus cultivation proved that the level of economic benefits of citrus cultivation and the effectiveness of pest control are closely linked. After investigation, in the same cultivation environment conditions, citrus households planted in the same period, there are significant differences in economic income. The reason for its low output value is pest insects in the orchard in the prevention and treatment is not timely, transmitted a series of orange decay disease, affecting the normal results, ...