Choosing the best kind of planting carrots in early spring should be selected for anti-seizure, short growth period, red-brown color, and spring-rooted varieties with straight roots.
Immersion seed germination carrot seed is not easy to absorb water and breathable, coupled with spring sowing temperature and ground temperature are low, seed germination and seedlings are slow, soaking seed germination. Put the seeds in warm water of 30-40°C for 3-4 hours before sowing for 3-4 hours, remove them and place them in a cotton wet cloth bag, put them under 20-25°C to germinate, keeping the seeds moist and turning regularly. Make the temperature and humidity even, most of the seeds can be sown after exposed white.
Soil preparation sowing deep fertilization, fine soil preparation, arable land Mushi rot 5000 kg of farmyard fertilizer, 50 kg of nitrogen, phosphorus and potassium ternary compound fertilizer as the base fertilizer. Deep plowing 25-30 cm and leveling. In the south central part of the province, it is appropriate to plant in a small arch shed and plant it in late March. First, watering, soaking the soil after soaking into the soil, often using drill method, according to the spacing of 17 cm open ditch, ditch depth of 2 cm, sowing after the draw, immediately covered the shed to cover the plastic film, try to increase the temperature, to promote emergence.
Field management and time seedlings, Dingmiao, general spacing of about 15 cm. Before mulching, the cultivator will be cultivated 2-3 times and the soil will be finely soiled to the roots to prevent rhizome enlargement and expose the ground to form green shoulders. After entering May, the temperature has risen significantly, and the roots and stems have rapidly expanded. The demand for water and fertilizers is more. It should be based on the plant growth in the field, combined with watering, and 20 kg of nitrogen and potassium fertilizer should be topped and 2-3 times of topdressing in order to meet the growth of rhizomes. The demand for nutrients ensures production.
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