1, seed selection.
Seed selection is mainly to remove those withered and moth-eaten seeds, and then remove those weeds and foreign bodies. Just remember one thing, that is, choose seeds that look full and shiny.
2, accelerate germination and wake up.
Before sowing, you need to put the seeds in the sun for three to five days when the weather is fine. Then about a week before sowing, soak the seeds in warm water for about 5 hours, and then put the soaked seeds in a higher temperature place, such as kang, to accelerate germination.
3, planting soil requirements.
When planting castor, we should dig deep into the soil and turn over the sun. Ensure that the soil can effectively receive rainwater after planting.
4. Sowing method.
Because of the large size of castor seeds, it is suggested to sow them by hand, and the depth is about 5 cm.
5. How to cultivate and maintain?
The most important thing in planting castor is weeding. How to weed? Chemical weeding can be carried out. After planting, it can be sprayed on the planted land first; Then, during the growth process, spray the grass leaves of castor.