The growth habits between plants, the nutrients required are different, and the diseases that are easy to suffer are also different. Usually we use chemical pesticides for prevention and control. In fact, the interaction between plants helps to prevent the occurrence of some pests and diseases , we can use The interrelationship between plants effectively leaves the effect of pesticides to control.
Use plant-to-plant relationships to control pests and diseases:
1. Chinese cabbage and cabbage are most susceptible to a bacterial soft rot, but if it is interplanted with garlic, it can prevent the occurrence of soft rot. Because allicin in garlic has a strong bactericidal effect. The volatile smell of garlic can also drive away many pests on wheat and cotton. From this ecological relationship, crops such as Chinese cabbage, cabbage, wheat, cotton and garlic are combined to form a mixture, which can not only increase yield and economic benefits, but also biologically. Control pests and diseases and reduce environmental pollution.
2, onion also has bactericidal ability, can kill wheat smut and pea black spot disease bacteria and potato late blight disease seedlings, so wheat, peas, potatoes and onions combined to form a complex planting, can make wheat smut, Pea black spot and potato late blight are greatly reduced.
3, amaranth and cabbage interplanting, amaranth deworming bactericidal effect can inhibit the cabbage root rot, cabbage caterpillars reduced.
4, line hemp has a special taste in the seedling growth period, when the winged locusts fly to the field to lay eggs, smell this numbness and quickly leave. Therefore, some line hemp in the crop field can avoid the damage of aphids to field crops.
5, in the vegetable greenhouse, the intercropping of beans and cucumber can not only prevent and cure cucumber downy mildew, but also prolong the cucumber fruiting period.
6. At present, rodent damage is a problem of human headache. In the field, some ramie is used to reduce the number of rodents. Collecting ramie green fruit can also drive the rat when it blocks the mouse hole.
In short, according to the relationship between crop species, use its benefits, avoid harm, and rationally match the relationship between species, combined with the establishment of complex planting can play a role in pesticides and pest control.
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