Four methods of cultivating new vegetable fields

The soil quality of new vegetable plots with deep tillage is generally poor. The tilled layer is only about 15 cm. When it is changed to vegetable fields, due to the increase in the number of planting stubble and the large consumption of nutrients, the tilled layer should be gradually deepened to improve its physical properties. The time of deep ploughing can be arranged when the summer and autumn vegetables are out of the garden, each turned over twice, so that the tilled layer reaches 25-40 cm.

To increase the application of organic fertilizer to improve the soil structure, there must be materials that can stabilize the structure, such as modifiers, organic fertilizers, etc. The application of organic fertilizer can not only supply the needs of vegetables for nitrogen, phosphorus, and potassium, but also promote the formation of soil aggregate structure, improve the ability to retain water and fertilizer and increase the buffer capacity of the soil. It is the material guarantee for fertilizing new vegetable fields and should be highly valued.

Planting leguminous green manure Leguminous green manure fixes nitrogen in the atmosphere. After picking its edible parts, the straw is returned to the field, especially the fresh stems and leaves such as peas and broad beans are pressed to green, which can increase soil organic matter and nitrogen content.

Reasonable rotation of vegetable continuous cropping will lead to soil acidification, salinization and disease spread. In the grain-to-vegetable area, special attention should be paid to reasonable rotation, using the difference in fertilizer absorption of different varieties of vegetables to slow down the excessive consumption of certain nutrients, to avoid or reduce the emergence of the above problems, so as to give full play to the production potential of new vegetable fields. For example, some mustards, peas, etc. are arranged in the rotation, which can absorb and utilize the phosphorus and potassium that cannot be used by ordinary vegetables, and 14% to 34% of the phosphorus and potassium are re-secreted into the soil in the usable state to improve the phosphorus and potassium nutrition for the next crop situation. There are many ways of rotation, but one season of legumes should be arranged in the rotation.

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