Cabbage 8 to 9 sowing is the best time.

But its varieties are more, can be divided into spring cabbage, summer cabbage, autumn cabbage three, their planting time is different. North and south planting time: the planting time of cabbage in the north and south of the difference is not big, generally in the spring, summer and fall can be planted. Greenhouse planting time: the environment of the solar greenhouse greenhouse is more suitable, if the conditions are well controlled, cabbage can be planted in all seasons of the year.

Cabbage is native to China, and the more common places of origin are Beijing, Gansu, Shandong, Heilongjiang, Jiangsu, Hebei, Tianjin and other places. Beijing cabbages can be planted in both spring and fall, with a growth cycle of about 60 days. The cabbages here have light green leaves with a fluff-free surface, and the plants are more resistant to disease. Tianjin cabbage is very famous, available from September to April, its quality is tender and soft, with high nutritional value.

Cabbage fertilizer management

Cabbage seedling fertilizer is not very large, the first is to raise seedling fertilizer, usually cabbage grows to three or four true leaves, this time according to the cabbage seedling growth conditions, generally about 5 kg of ammonium sulfate per acre, fertilizer, immediately after the watering with. The second seedling fertilizer is generally transplanted after about ten days, generally 5 kg of urea, preferably buried in a shallow ditch next to the cabbage.

If the soil is dry during the seedling period, it is prone to virus disease in case of high temperatures, and it should be watered several times to cool down the temperature and keep the soil moist. In the absence of rain, you should take all kinds of measures to conserve moisture, small water and watering to accelerate the emergence of seedlings. If the leaves are yellow, you can apply 5-7 kg of ammonium sulfate per mu, or 200 kg of rotted human feces and urine with 10 times water to raise the seedlings.