The protection of natural enemies of pests in orchards can effectively curb pests and protect the environment. How to protect orchards predators?
First, planting grasses in orchards, planting beneficial grass species between fruit trees, mainly 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 control the pests before sprouting. The active period of the pests is longer than that of natural enemies after they have passed the winter. Before the budding of the fruit trees, the pests will begin to develop eclosion. 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 with little or no spraying, which can effectively protect natural enemies and control the damage of pests to fruit trees. The fourth is to use drugs selectively. Many insecticides and acaricides have little effect on the activities of natural enemies. They are called selective pesticides.
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