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研究结果表明,混播均能大幅度降低各种有害昆虫优势种类的种群数量,对地下害虫类尤其显著。天敌昆虫优势种类的种群数量亦高。苜蓿——红豆草混播田内传粉昆虫的种类多,且种群数量最高。
The results show that mixed-sowing can significantly reduce the number of dominant species of all kinds of harmful insects, especially for underground pests. The population of dominant species of natural enemies is also high. Alfalfa - red bean mixed broadcast field pollinators and more species, and the highest population.