How to grow sweet potatoes (sweet potatoes)? What are the planting conditions?

Summer weather is hot, we all like to eat some light food to reduce the fire, sweet potato is a good choice. For farmers, planting sweet potatoes is also a key point, good quality sales prices will also rise, so how to plant sweet potatoes? What are the planting conditions? Let's take a look together!

How to grow sweet potatoes

1. Land selection and preparation

The roots of sweet potatoes are swollen and rich in water, so choose the sowing place, be sure to have loose and deep soil, moist and close to the water source. Irrigation is convenient, generally in a more sunny place. It is beneficial to the growth and expansion of roots, and the absorption of water and nutrients. Sunlight can also increase photosynthesis and increase the sugar content of roots. Before planting, plough, level the land, irrigate thoroughly, spray certain chemicals to avoid root infection and disease.

2. Sowing and thinning

Ipomoea batatas seed skin thick and hard, in order to germinate early, before sowing can be soaked in warm water seed germination, so after the ground growth faster. However, the vitality of sweet potato itself is tenacious, and direct seeding can also be carried out in warm areas. Direct seeding can enhance the adaptability and growth vitality of seedlings. Sowing density should be reasonable, not to rob each other of growth space. If you need to seedling Qi after the thin, disease, chlorosis seedlings removed, but if direct field sowing, only need to set a good row spacing, not to seedlings can be re-sown.

3. Control fertilizer water

The watering period of sweet potatoes is similar to that of other ordinary vegetables. Generally, a small amount of water can be poured every three days before emergence to maintain a humidity of 60%. After emergence can be applied with light fertilizer water once, promote growth, after fertilization water once a week until flowering. No watering in flowering period, need to apply compound phosphorus and potassium fertilizer plus trace element fertilizer to assist reproductive growth. During the expansion period, a lot of water is needed to maintain the water content of the roots and transport the nutrients produced by the leaves. It can be watered every 5 days, but in the case of dry soil, it is generally necessary to keep the soil below 2 cm wet. Dry surface, not susceptible to disease. Add compound fertilizer, balance root growth balance.

4. Frame pruning

When the seedlings are about to grow vines, they begin to build frames. The frame is to allow the plants to have enough room to grow, receive enough sunlight, and avoid crushing and closing. In the summer when long, to keep the main flowering vines, redundant branches are trimmed off, can reduce the consumption of nutrients.

The above is a comprehensive summary of sweet potato planting. I hope everyone can pay attention to details during planting. Don't damage it because of watering or sunshine.