What is sweet potato 1, sweet potato introduction
Sweet potato, also known as sweet potato, sweet potato, sweet potato, etc., is the panicum miliaceum of sweet potato family, and the harvest time of sweet potato is from August to September every year. Its peel is pale yellow or reddish, and its meat is white. Moreover, its root tuber is oval, spindle-shaped or round, and its corolla is mostly pink.
2. Top pruning
When cultivating sweet potatoes, it is necessary to top and prune the plants. During the vigorous growth of sweet potatoes, sharp and sterilized scissors can be used to shorten the branches that grow too long, so as to avoid the loss of excess nutrients, so that the nutrients of sweet potatoes can be transported to the roots, and the branches and leaves that grow too densely should be cut off to make them grow roots.
3, topdressing fertilizer
Sweet potato needs sufficient nutrients in the growth process. When cultivating sweet potato, dilute thin fertilizer water should be applied to it after planting 15 days to make sweet potato grow more vigorously, while in the branch and node period of sweet potato, phosphorus, potassium fertilizer and calcium superphosphate should be applied to it to increase the number of sweet potato nodes.
4. Maintenance management
When maintaining sweet potatoes, it is necessary to drain the accumulated water in the soil for the plants when the water content in the soil is 75%, so as to avoid the root rot and death of sweet potatoes, and observe the growth state of sweet potatoes regularly. If insect spots are found on the branches and leaves of plants, it is necessary to spray 1-2 times every other week to make sweet potatoes grow normally.