First, the cultivation of wild vegetables can be carried out all year round, depending on the season and the characteristics of the wild vegetables. In the cold season, winter sheds can be used. In spring and autumn, arch sheds or open fields can be used. In summer, wild vegetables that are not glazed should be cultivated by shading nets.
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Second, most wild vegetables are made from young stems or flower buds, and also served with white and tender fleshy roots. Therefore, on the basis of the application of the base fertilizer, it is necessary to deepen the loose soil. Topdressing should be based on nitrogen fertilizer, combined with foliar application of potassium dihydrogen phosphate and urea and zinc sulphate solution to make the leaves thick and shiny, and improve the quality of the product.
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Third, most wild vegetables have strong resistance and adaptability, and the root system is developed, but some are developed fleshy roots. Therefore, it is better to plant wild vegetables with loose and fertile sandy soil, avoiding water accumulation in the field, so that the dry water can be poured and the water can be discharged.
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Fourth, in order to ensure the natural and green pollution of wild vegetables, pesticides are generally not applied.
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Fifth, wild vegetables are mostly propagated by seeds, such as bitter herbs, leeks, purslane, gray ash, and dandelion. Some wild vegetables have developed perennial roots and can be propagated in different ways, such as alfalfa and mint. Some of them belong to small shrubs and can also be propagated by annual shoots. For example, the treatment with rooting powder is better.
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Sixth, some wild vegetable seeds and scientific research departments have been mass-produced and can be purchased. For example, the Institute of Vegetables and Flowers of the Chinese Academy of Agricultural Sciences has mastered a considerable number of wild vegetable sources. Some local wild vegetables that have not been mass-produced must be collected by themselves, in the field, or by themselves.
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Source: China Agricultural Promotion Network
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