Dongchun No. 2 Cabbage is a new low-cost and high-quality cabbage variety suitable for planting in the winter in northern China. Leaves dark green, tight ball, good quality, strong cold resistance. Single ball weight 1.50 ~ 2 kg, 5000 kg per mu.
1. The sowing date of nursery is generally from the end of September to the beginning of October. The Yellow River valley is suitable from October 1 to 3, and the area south of the Huaihe River basin is suitable from October 3 to August 8. The areas with high winter temperatures in the south are suitable. put off. In general, a field of 60 square meters can be reserved for each nursery. After the seedlings have been leveled, the bottom water is poured, and after the water is soaked, the seed is mixed with fine soil and spread on the surface of the seedlings. The fine earth is covered with 0.50 cm. Generally, the seedlings can be cultivated in about 3 days.
2. Before planting, crops were harvested and deep-spotted. During the site preparation, 2500 kilograms of quality circle fertilizer, 20 kilograms of urea, and 70 kilograms of potassium sulfate compound fertilizer were applied. The planting time was November 10 to 20, when the seedlings grew to 5-6 leaves.
3, field management before the arrival of the cold current poured frozen water, colder areas in the north can be covered with crop straw mulch protection.
4. Diseases and Insect Pests Prevention and control of winter and spring No. 2 Cabbage is in the cold winter and spring seasons, with few pests and diseases. If cabbage and Spodoptera litura are in the late harvest stage, they can be treated with chrysanthemum pesticides.
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