Carrot cultivation management is simple and labor-saving, resistant to poor transport. In early spring, small arch shelter covers the off-season cultivation, and it is put on the market in midsummer. The yield can reach 3,500-4,000 kilograms, and the economic benefit is remarkable. The main cultivation techniques are now described as follows:
First, the temperature
In early spring, small sheds are generally sown in mid-March, and are now in seedling stage. After emerged, the weather was properly ventilated, reducing the temperature and humidity in the shed. The temperature was 20°C-25°C during the day. The night temperature is still low, closed air outlets, mainly to insulation.
Second, weeding and thinning
Carrots are hi-light crops, and weeding and seedlings should be carried out early. Generally, about 20 days after emergence, good weather is selected. In the afternoon, the seedlings will be used to open the greenhouse, and the seedlings, seedlings, and weeds will be removed in time. When the first seedlings were seedlings with 1-2 true leaves, the seedling distance was 3-4 cm, the second time the seedlings were 4-5 true leaves, and the 6-7 leaves were seedlings, the seedling distance was 8-10 cm, and the seedlings were Followed by the film will be covered. In addition, pay attention to the soil during the cultivator to prevent the top of the fleshy root from forming a green shoulder.
Third, water and fertilizer management
Seedlings basically do not water, seedlings to prevent leggy. After the shelter was shed, the first water was poured and 10 kg of urea per acre was applied. Carrot meaty root fingers quickly enter the expansion period, the need for moisture, nutrients, should be timely watering, keep the land see the wet see dry, combined with water topdressing urea and potassium sulfate 2-3 times, each time urea 15 - 20 kg, potassium sulfate 5 kg.
Fourth, harvest
When the carrots mature, the leaves no longer grow, no new leaves are seen, and the lower leaves turn yellow. Generally, they are harvested from late June to early July, and they can also be timely harvested according to market demand. If there is a 0 °C -3 °C cold storage conditions, storage after harvest, can supply the entire summer, or further deep processing, export earnings, higher economic efficiency.
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