How does sweet potato manage high yields? These five aspects can not be less

In recent years, due to the low prices of food crops such as wheat and corn, many farmers have made less money and even made no money. So many people have replanted sweet potatoes. How can we manage sweet potato production in the process of growing sweet potatoes? The following aspects can be referred to.

红薯如何管理产量才会高呢?这五个方面不能少

Variety

Nowadays, there are many varieties of sweet potatoes, and many people do not know which kind of variety when planting sweet potatoes. Some sweet potato varieties, although high in yield but not suitable for local use, should be selected for local sweet potato varieties to be productive.

2. Soil

Whether sweet potatoes can be produced at high yields depends on the length of the roots. Soils with deep soil layers, sufficient fertility, and strong drainage capacity are most suitable for sweet potato growth, so this soil should be selected for planting when growing sweet potatoes. Before planting sweet potato, the base fertilizer should be applied first. The base fertilizer is mainly organic fertilizer, supplemented by chemical fertilizer. After applying the base fertilizer, the soil is flattened and leveled. The width is 1.3 meters and the depth is 25 cm.

红薯如何管理产量才会高呢?这五个方面不能少

3. Planting

The optimal growth temperature of sweet potato roots is 22-24 degrees. If the temperature is too high or too low, it will affect the normal growth of sweet potato. Therefore, it is usually planted in the 3-4 months of each year. It is the expansion period of sweet potato in July-August of each year. Temperature and humidity are suitable for the development of sweet potato roots. When planting sweet potatoes, too dense and too thin are not conducive to high yield of sweet potato, the best plant spacing is about 20 cm.

4. Water and fertilizer management

In addition to applying sufficient amount of base fertilizer before planting, sweet potato fertilization can be topdressed according to the growth characteristics of sweet potato during the growth of sweet potato, and wood ash can be applied at the root of sweet potato. The potassium element in the ash can promote the development of sweet potato roots.

红薯如何管理产量才会高呢?这五个方面不能少

5. Prevention of pests and diseases

Common pests and diseases of sweet potato include stag beetle, weevil and sweet potato. These diseases and insect pests will cause the yield of sweet potato to decrease. Therefore, pests and diseases should be prevented from being combined as main control, and pesticides should be sprayed in time to prevent the formation of bacteria and pests in the high-risk stage of pests and diseases. In the initial stage of pests and diseases, timely spraying to control the spread of germs.

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