Sweet potatoes are a nutritious and unique food, but in the process of planting, sometimes sweet potatoes rot in the soil, which brings a lot of losses to farmers. In order to prevent sweet potatoes from rotting in the soil, the following measures can be taken:
1. Choose healthy seed potatoes.
Choosing healthy seed potatoes is the key to preventing sweet potatoes from rotting. When selecting seed potatoes, it is necessary to choose chips that are disease-free, injury-free, and crack-free, and avoid using seed potatoes with germs or wounds to reduce the occurrence of diseases.
2. Reasonable fertilization.
Sweet potatoes need adequate nutrients to grow, but excessive fertilization should be avoided. Excessive fertilization can lead to salinization of the soil, affect the growth of sweet potatoes, and even lead to root rot. Therefore, it is necessary to fertilize reasonably, maintain moderate soil fertility, and be careful not to use unrotted organic fertilizer.
3. Control moisture.
Sweet potatoes need the right amount of water to grow, but too much water can cause the soil to become too wet, causing diseases. Therefore, it is necessary to control the water reasonably and keep the soil moderately moist. When the rainy season comes, it is necessary to drain the water in time to avoid water accumulation in the fields.
4. Soil disinfection.
There may be germs or insect infestations in the soil, which can affect the growth of sweet potatoes. Therefore, the soil is disinfected. Quicklime or other soil disinfectants can be used to disinfect to kill germs and eggs, reducing the occurrence of diseases.
5. Strengthen field management.
Field management is an important measure to prevent sweet potato rot. It is necessary to weed, loosen and cultivate the soil in time to keep the fields tidy. In the process of sweet potato growth, it is necessary to check regularly, and the plants that are found to have diseases should be uprooted in time and the soil should be disinfected. At the same time, care should be taken to prevent trampling and injury from livestock and man-made animals.
Sixth, harvest at the right time.
Timely harvesting is also one of the important measures to prevent sweet potatoes from rotting. After the sweet potatoes are ripe, they should be harvested in time to avoid delaying the harvest time too long. Avoid damaging sweet potatoes during harvesting to avoid causing diseases. At the same time, it is necessary to pick out sick potatoes and rotten potatoes to avoid infecting other healthy sweet potatoes.
In short, the prevention and control of sweet potatoes rotting in the soil requires a comprehensive management of various measures. Management and monitoring should be strengthened from the selection, fertilization, water control, soil disinfection, field management to timely harvesting of seed potatoes, so as to effectively reduce the occurrence of sweet potato rot and improve the yield and quality of sweet potatoes.