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Legumes can control nematodes
The incorporation of dry pieces of legume into the soil reduces the number of root-knot nematodes, a result of a study by the U.S. Bureau of Agriculture. Nematodes in the soil can reduce crop yields, and the use of legumes to control nematodes can greatly reduce the cost of control. Adding dried legumes of legumes, capsicum and jack bean, into the soil reduced the number of tomato roots by 89%. This is due to the natural substances produced by the seeds, stems and leaves of legumes. A few days ago, hundreds of subtropical legumes from 64 genera of the world were preserved in the Institute of Plant Genetic Resources Conservation of the US Department of Agriculture. Many of these plants have such uses: they inhibit pests, prevent the growth of weeds, and increase Drug ingredients.