1. Spring and fall are usually planted in the open air, in March and July, respectively, and winter is chosen to be planted in the greenhouse in October. When planting broccoli, usually first sowing seedlings, seedling period in about 30 days, wait until the broccoli seedlings began to planting, from planting to the harvest period of the time range of 80-90 days.

2. The suitable temperature for broccoli seed germination is 20-25℃, which requires sufficient light and large water requirement.

3, the seeds should be soaked in advance, soaked in warm water at 22 ℃ for 15 minutes, and then soaked in 20 ℃ for 4 hours. Place the soaked seeds in a moist, temperature of 20-25 ℃ to sprout.

4, the seedbed should choose high ground, good permeability, fertile soil. Broccoli avoid continuous cropping, the previous crop of the land can not be cruciferous plants. Before sowing, the seedbed should be y ploughed soil, disinfected, sterilized, fertilized and watered thoroughly.

5, sowing is often used in the method of mud and sand mixing, 12-20 grams of broccoli seeds per acre. After sowing, watering should be timely.

6, broccoli seedlings, you can observe the broccoli growth status to pull out the weak seedlings.