Cultivation methods and techniques of sweet potato seedlings, including cultivation time and matters needing attention

The cultivation time of sweet potato seedlings: the south began to cultivate in February, while the north began to cultivate before Ching Ming Festival. The hibernating cultivation method of sweet potato vines: when the climate became warm in the second year, the sweet potato vines were dug out from the cellar for cutting cultivation. The cultivation method of sweet potato root: select the sturdy, scar-free and robust sweet potato root for cultivation. Matters needing attention in sweet potato seedling cultivation: choose the appropriate cultivation method according to the region, and do a good job of heat preservation during cultivation.

I. cultivation time of sweet potato seedlings

The main results are as follows: 1. The cultivation time of sweet potato seedlings depends on the planting area and climate, and the cultivation time is usually concentrated in March. In spring, usually before and after the sting, the cultivation in the south can begin in February. The cultivation in the north should be completed before Ching Ming Festival.

2. Because of the low temperature during cultivation, the cultivation should be carried out in the hotbed, and the heat preservation measures should be taken during the period, and the cultivation time can be reasonably grasped according to the time of planting and listing. Generally, the cultivation work begins 4-5 weeks before planting sweet potato seedlings.

2. Hibernation cultivation methods of sweet potato vines.

1. Sweet potato vines can be cultivated in hibernation after harvesting sweet potatoes in autumn. Sweet potato vines should be cultivated as seedlings in the second year. Sweet potato vines without diseases and insect pests should be selected after harvest. The leaves on sweet potato vines should be removed, and the petiole should be kept at about 1-2cm. Then soak sweet potato vines in Amphitrin for 3 minutes, fish them out and dry them, and then pick out the big stones and pebbles on the ground.

2. Then dig the storage cellar, put the sweet potato vines neatly into the cellar, and finally cover the sweet potato vines with fine sand, which can force the sweet potato vines to hibernate. In the areas where the temperature is low and frost is easy to occur, the sweet potato vines should be properly covered with plastic film. When the climate turns warm in the second year, the sweet potato vines will be dug out for cutting cultivation.

Third, the cultivation method of sweet potato root.

The main results are as follows: 1. After all the sweet potatoes are harvested in autumn, the sturdy and scar-free roots of sweet potatoes can be selected for cultivation, each root retains about 3 nodes, then the leaves are removed, and then the size of the culture chamber is controlled according to the number of cultivation. If cultivated in the greenhouse, it is necessary to reasonably control the distance between plants and dig a good cultivation pit.

2. After planting sweet potato roots, it is necessary to fix the iron wire according to the row spacing, and then connect the sweet potato roots to the iron wires. after the sweet potato roots sprout, about 3 new buds are selected on each sweet potato root, and the new buds should correspond to a good rope. it is convenient for sweet potato vines to grow along the rope in the later stage.

Matters needing attention in the cultivation of sweet potato seedlings

1. Due to the difference of region, temperature, climate and other environment, the cultivation time is also different, and there are many different cultivation methods, so when cultivating, it is necessary to choose the appropriate cultivation method according to individual planting technology and region, etc.

2. The method of root cultivation of sweet potato can make full use of planting space, and when the cultivation quantity is relatively large, it can effectively increase the yield of sweet potato. Secondly, each cultivation method has many different advantages and disadvantages. No matter which cultivation method is chosen, the temperature should be reasonably controlled during cultivation, which is conducive to the healthy growth of sweet potato.