High-yield cultivation techniques of Spring Sweet Potato
Sweet potato has always been our favorite food, and it is also the main crop for many growers. How can spring sweet potato be cultivated for high yield?
High-yield cultivation techniques of Spring Sweet Potato
1. Selection and planting of seedlings. We need to choose good seedlings with strong and developed stems as seedlings, which has high survival rate, fast germination and guaranteed yield. There is no obvious ripening period of sweet potato, so we can appropriately plant early to prolong the development period, so we can make use of the climatic conditions before the rainy season to promote the root expansion of pure sweet potato and store photosynthate better.
2. The preparation of the planting site. Since we want to have a high yield, we must choose the soil suitable for the growth of spring sweet potato. Here we choose the land with good air permeability, timely oxygen supply and drainage and soft structure. Deep ridges need to be ploughed above and sufficient base fertilizer is applied at the same time. Generally, organic fertilizer 4000kg, urea 10kg, diammonium phosphate 20kg and potassium sulfate 25kg are applied in one mu of land. Ridges are made to facilitate the cooling and drainage of the ground.
3. Take measures to promote growth. In order to prevent the rapid growth of spring sweet potato after rain multi-node roots, nutrient dispersion, we can be combined with vine to increase the ground temperature to prevent root nodes. The method of topping and coring is mainly used to control the growth of the main stem to promote the expansion of the root tuber.
4. To get fat properly. In addition to the base fertilizer applied, we also need to fertilize spring sweet potatoes. There are two ways. One is that when there are cracks in the field, it is watered one by one in the afternoon, and the fertilizers are mainly urea, potassium sulfate, superphosphate leaching solution and so on. Another way is to spray the prepared nitrogen and potassium fertilizer through the page.
The above is a brief introduction to the high-yield cultivation techniques of spring sweet potato. I hope it will be helpful to you.
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