Good protection of natural enemies of pests in orchards can effectively curb pests and protect the environment. There are four main protection methods for natural enemies: one is grass cultivation in orchards. It is the cultivation of beneficial grass species between fruit trees, which is generally based on legumes. As the grass sprouts early and grows longer, it is beneficial to the activities of natural enemies. The pests on pasture also provide a good food source for the survival of natural enemies; the second is to pay attention to the prevention and control of pests before fruit sprouting. After the pests lived longer than their natural enemies after winter, the pests began to pupate before the fruit sprouted. At this time, various measures can be taken to eliminate them. Spraying at this time is also an opportune time to control pests. The third is to pay attention to the growth period of fruit trees and spray them or not spray them. This can effectively protect natural enemies and control the damage of pests to fruit trees. Fourth, selective medicine should be used. Many insecticide acaricides have little effect on natural enemy activities and they are called selective pesticides.
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Orchard Pests Natural Enemy Protection