When will open cabbages be planted? Please put away this complete collection of planting techniques!

Cabbage and cabbage are cold-resistant, high-yield vegetables, but also spring, summer, autumn, one of the main vegetables, widely planted in our country. When is the open field cabbage planted? What are the planting techniques? For more information, please read below.

1. Basic conditions of cabbage

1. Origin of cabbage

Cabbage is commonly known as cabbage, its scientific name is cabbage, also known as cabbage, lotus, white, kohlrabi, coconut, bag white, etc., widely cultivated in all parts of China. Cabbage is native to Mediterranean Europe and is one of the most important vegetables for Westerners.

2. Varieties of Cabbage

At present, there are about 400 varieties of cabbage, which can be divided into pointed type, round head type, flat-headed type and hybrid type according to the shape of leaf bulb. Common cultivated varieties include chicken heart cabbage, beef heart cabbage, Beijing precocious cabbage, Shanxi No.1, black leaf small flat-headed cabbage, yellow seedling, etc.

3. Yield of cabbage per mu

Generally, the yield per mu of cabbage of different varieties is also different, among which the yield per mu of cabbage of early-maturing varieties is 1600-2400 kg; that of middle-maturing varieties is 1750-2400 kg; and that of late-maturing varieties is 3000-3500 kg.

When is the second crop grown?

Cabbage adaptability, cold, heat resistance, so in the north spring, summer and autumn can be planted, northeast, northwest and north China cold areas, more than spring, summer seedlings, summer planting autumn harvest, long growth period, leaf ball a big, is the main production area of Chinese cabbage.

North China and northeast, northwest part of the city, to spring, autumn two crop cultivation mainly, but also for multi-crop cultivation. Winter, spring seedlings, spring planting summer harvest called summer cabbage. Summer seedlings, autumn cultivation, autumn and winter harvest, known as autumn cabbage.

Three, open field cabbage planting technology complete

Cabbage adaptability, disease resistance, so the level of planting technology affects the yield per mu and quality of good or bad, the following complete collection can be collected!

1. Seedling transplanting of cabbage

Spring cabbage is mostly cultivated early, northeast, northwest and Inner Mongolia and other cold areas, usually in February-March in the greenhouse seedlings, seedling period 60-0 days. There are two methods of seedling raising in North China, one is to raise seedlings in sunny beds from mid-December to early January, and to plant in February and March. The second is to raise seedlings in plastic greenhouse in February, and the seedling period is 40-50 days. Autumn cabbage seedlings in June-July, seedling period is generally 35-40 days. Summer cabbage seedlings in April-May, seedling period of 30-40 days.

2. Cabbage planting, water and fertilizer methods

Generally, planting can begin when the daily average temperature reaches 6°C or more, and flat cultivation is the main method in the north. Cabbage after planting need to irrigate slow seedling water, at the same time to carry out intertillage loose soil, to enter the rosette stage can be carried out for the first time topdressing, generally nitrogen fertilizer 15-20 kg per mu, at the same time water supply can not be less.

3. Cabbage pest control

Cabbage is vulnerable to the early stages of growth by cabbage caterpillar harm, cabbage caterpillar is cabbage butterfly larvae, it nibbles young leaves, serious can cause abortion. Low residue and high efficiency pesticides should be used for management. The best time to spray pesticides is in the evening, when spraying can avoid changes in concentration and composition caused by sunlight, which is conducive to the maximum efficacy of pesticides.

The above is the whole content of cabbage planting introduced by the small series of soil flow net for everyone. The majority of growers must master it well when planting.