Master the topdressing method of edible fungus and the seedling technology of broccoli in greenhouse

Broccoli seedling age is short (30~35 days), depending on the specific circumstances can be in mid-October, late seedlings, a large number of listed before the Spring Festival. Nursery can be used nutrition pot (10cm × 10cm) or nutrition square method (8cm × 8cm), the configuration of nutrient soil is 8 parts fertile pastoral soil plus 2 parts fully decomposed chicken manure or sheep manure, double seed sowing, seed amount per mu 20g, sowing depth 0.5~ 1cm. After sowing, irrigate water once, pull out weeds after 2~3 days of emergence, keep the seedbed moist frequently, thin the seedlings 1~2 times in time when 1 ~2 true leaves, remove the thin and overdense seedlings. The bed temperature is kept at 20~30℃, otherwise, the bed temperature is too low and the seedling age is too long, which will cause small and old seedlings, resulting in short plant shape and yield reduction after planting. If the bed temperature is too high or too high, weak seedlings will be formed, resulting in weak plant growth potential and yield reduction. When the seedlings grow to 5~7 true leaves, about 30~35 days, fertilizer control, water control, ventilation and humidity reduction are carried out, and the seedlings are tempered for 3~5 days to improve the survival rate of transplantation.