1. Prepare the cultivation pot for soilless culture. Pay attention to the spacing of the culture tanks is about 40 cm, and the walls of the tanks are covered with a layer of plastic film. Planting: Before planting, water the cultivation substrate, and then try to choose seedlings with developed and strong roots for planting, paying attention to keeping an appropriate distance between plants.

2, management: timely watering, each time after harvesting the main ear, you can apply some farmyard manure, you can also apply some potash fertilizer.