Large radish spring cultivation

Traditionally, only small radishes, such as radishes, have been planted in the spring. Their single root weight is only 50 to 100 grams, which is less effective. The spring-grown large radish, single root weight 500 to 2000 grams, high yield, good quality, early listing, sales channels, significant economic benefits. For spring radishes, the following seven measures must be taken.

1. Use fine varieties. Spring radishes, should be used in winter strong, resistant tetany, heat-resistant, disease-resistant early maturing varieties, such as early spring, Tianchun large roots, Fuchun Dagen, Xuande Dagen, Li Wang Dagen, Lu carrot 8, and so on.

2. Fertilization and soil preparation. Advance ostrich, combined with deep ploughing and soil preparation, 667 square meters of high-quality ring fertilizer 3000 to 4000 kg, potassium sulfate and diammonium phosphate 25 to 30 kg each. After the flattening, the ridges are 50 cm wide, 7-12 cm high, and 30 cm apart.

3. Soak germination. Usually 500 grams per 667 square meters. 2 to 3 days before sowing, soaking in warm water of about 25°C for 2 to 3 hours. Remove the germination when it is placed at 20-25°C, and sow when about 50% of the seeds are white.

4. Suitable sowing. When the temperature is stable at more than 8°C, the ridge is planted with a spacing of 30 cm and a hole spacing of 23-30 cm in the wrong position, with 2 to 3 capsules per hole. After sowing, 1.5 to 2 cm of cover soil and 667 square meters of weeding are used. The agent was sprayed with water with 40% of tetracycline or 48% trifluralin (150 ml) and then covered with a film.

5. Strengthen management. About 10 days after sowing, the seedlings can emerge, and the film can be peeled off. 2 to 3 leaf time seedlings, 4 to 5 leaf leaves each seedling to retain 1 seedling. Into the "breaking season" should be fertilizer Qi attack, every 5 to 7 days, pouring 1 water, with the water top dressing 2 to 3 times, each 667 square meters with 20 kg of ammonium sulfate or 10 kg of urea. In the late growth period, proper water control is needed to prevent heartache.

6. Pest control. The main pests are black rot, soft rot, aphids, and cabbage caterpillars. Can use 200 mg / kg of streptomycin sulfate or neomycin, 10% imidacloprid 3000 times, Bt emulsion 200 times and other pollution-free pesticide spray control.

7. timely harvest. Generally, 60 to 70 days after sowing, when the roots of the flesh have fully inflated and the leaf color fades, they are harvested. 667 square meters produce 4,000 to 5,000 kilograms.

Green Tea is unleavened tea that is not made by fermentation. Because of the different processing method, tea have two kinds shape named Gunpowder Tea and chunmee tea, gunpowder is round shape likes pearl and chunmee is strip shape likes eyebrow. Green tea retains more natual substances of fresh leaves and contains more nutrients such as tea polyhenols, catechins, chlorophyll, caffeine, amino acids and vitamins. These natural nutrients has many function such as:

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