Sweet potato efficient cultivation of three attention

Cultivate strong seedlings and choose suitable local resistant varieties. Take cover film on the seedbed, dig down the ventilation channels, and adjust the temperature of the litter-heated sand bed to cover the rapid concentration and seedling raising technology. The seed potato bed can be sterilized with carbendazim spray, and then 7-8 cm river sand is placed on the seed potato, and water is sprayed on the sand, and the seedbed is covered with a plastic sheet, and the temperature must be strictly controlled.

Rigid bed, cover film ridge distance 80 cm, ridge height 20 to 25 cm, planting 1 row per ridge, cover with phoxim granules to prevent the effect of underground pests, can also be scattered when the seedlings In the hole. Aqueous weeds were sprayed with acetochlor and then covered with a film.

Transplanting in time According to the local natural climatic conditions, timely planting should be done at a proper time. Generally after the night cream, the ground temperature can be set at 15°C. The planting density is determined according to the species and soil strength. The long vine cultivars should be thin and the short vine cultivars should be dense. The potato seedlings per acre are maintained at 2,500 to 4,500, and the perforations are 30 to 35 centimeters in diameter, and the depth is 10 to 12 centimeters. With the Zha Kong, the potato seedlings will be inserted into the holes in time, and the teapots will be used for watering and sealing.