Cabbage moss is one of the varieties of home vegetables on people's tables, generally eaten moss with red cabbage moss and cabbage moss points, today we want to learn to grow cabbage moss, as we all know, cabbage moss is one of the important varieties of vegetables during the fall and winter, at present, most of China's regions are cultivated. It is usually sown in the fall, and then it will be listed in early winter.

One, choose varieties

If it is a local internal sales, then you can choose the varieties suitable for planting according to the consumption habits and climatic environment of each place, the more common varieties of cabbage moss are yellow moss 30, early moss 40, early moss 50, early moss 20 and so on.

Two, sowing seedlings

Each acre of field requires a seedbed area of 15 square meters, with a seed amount of about 150 grams. Can also be live, mu with 500 grams of seed. Seedlings should be timely inter-seedling, eliminating miscellaneous seedlings, weak seedlings, diseased seedlings, to maintain a spacing of about 5 cm.

Three, planting density

Cabbage seeding and seedlings after the seedlings grow to three to four true leaves, you can choose the strong seedling planting. The planting of the field should be fully fertilized, per mu into the three compound fertilizer 50 kilograms, 2500 kilograms of rotted organic fertilizer, using a combination of sprinkler and strip casting. When planting, it is appropriate to take * transplanting, cultivation density varies according to varieties. Smaller plants can be appropriately dense planting, larger plants can be appropriately sparse planting.

Four, field management

Cabbage planting 7 ~ 10 days after the timely application of nitrogen-based seedling fertilizer, the amount of 5 kg per mu. After entering the moss picking period, every 10 days or so, chasing the application of a thin manure or compound fertilizer, to promote the growth of side moss. Under the condition of sufficient fertilizer and water, the harvesting period can be extended to March of the following year.

Five, pest control

1. Virus disease

Symptoms: flowers and leaves, leaves with dense green and yellowish embedded spots, plant dwarfing, rigidity, deformity, early death.

Prevention and control: timely control of aphids in the plant before the six-leaf period, the main agents are 40% Rogaine 1500-2000 times liquid, 10% imidacloprid 1500 times liquid, spraying mainly sprayed in the back of the leaf and the heart leaf part.

2. Downy mildew

Symptoms: yellow spots on the leaves in polygonal or irregular shape, white frosty mold layer on the back of the leaves, brown spots in the late stage of the disease, the leaves dry up and fall early.

Prevention: pharmaceutical control should pay attention to spray to the back of the leaves. Commonly used agents are 75% chlorothalonil 600 times liquid, 25% mefenamic acid 800 to 1000 times liquid.

3. Soft rot

Symptoms: the first watery parts of the disease, from yellowish gray, then brown, until the soft rot stinks, with fungal pus.

Prevention: spraying to the disease plant and its surrounding focus, especially spraying near the surface of the diseased leaves and stem base, commonly used agents are 100 to 200 ppm agricultural streptomycin, 70% diktorsone 500 to 1000 times liquid, 50% carbendazim 600 to 700 times liquid.

4. cabbage greenfly

Symptoms: larvae nibble the leaves into holes or notches, serious leaves eaten up, leaving only petioles.

Prevention and control: prevention and control agents are mainly Bt emulsion, 0.15 kg per mu to 250 kg of water spray, can also be sprayed 2.5% deltamethrin 5000 times solution.