First, choose the variety
The carrots sown in spring and summer are selected from crisp, sweet, and palatable varieties; the carrots sown in autumn are selected from high-yield varieties.
Second, the main points of cultivation
The first stubble is cultivated in a greenhouse and sown in early February and marketed in early April. The growing season is about 40 days and can produce 2000-2500 kg of carrots per acre. The second stubble is cultivated in open field and sowing in early April. The growing season is 40 days 2500-3000 kg of carrots can be produced per acre; the third crop is sown in late June and the growing season is about 35 days; the yield of carrots can be 2,000-3000 kg per acre; the fourth stubble is sown in early August and the growing season is 30-35 Today, 2500-3000 kg of carrots can be produced per acre; the fifth crop is sown in mid-September, and some of them are listed in the early winter, and the rest are marketed around the Spring Festival, which can produce 4,500 kg of carrots per acre. The first 4 crops are drilled with a row spacing of 25 cm, plant spacing of 15-20 cm, and about 15,000 nests per acre. Each crop must be planted at the seedling three-leaf stage.
Three points of fertilization
Carrots have a short growth period and require a large amount of fertilizer. Generally, 3,000 kg of animal manure, 50 kg of superphosphate, and 20 kg of urea are applied to the base fertilizer, and 50 kg of ammonium carbonate is applied per acre during the large leaf period. In case of drought, it should be irrigated with fertilizer, otherwise, the surface of the radish is not smooth, and bran heart will appear, affecting the quality and yield.
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