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据我们近几年调查鉴定,江苏省主要农林害虫天敌有1000多种。这些天敌对控制水稻害虫、玉米害虫、棉花害虫、森林害虫的种群密度起了重要作用。保护利用天敌,可减少化学农药的使用,改善生态环态,提高经济效益和社会效益。
According to our investigation and appraisal in recent years, there are more than 1,000 kinds of natural enemies of pests in agriculture and forestry in Jiangsu Province. These natural enemies play an important role in controlling population density of rice pests, corn pests, cotton pests and forest pests. Protection and use of natural enemies can reduce the use of chemical pesticides, improve the ecological environment, improve economic and social benefits.