White radish is one of the main vegetable species that is supplied by the winter market and consumed by the masses. It has now entered the critical period of post-emergence management of white radish. In order to help the people grow good white radish, we will introduce the points for the cultivation of white radish in the autumn so as to provide reference for the farmers:
1. The radish is selected from the cruciferous crops and cannot be replanted in the same crop as the previous crop. Radish roots are thick and should be grown in sandy loam soil with thick, fertile and well ventilated soil. Planting plots should be ploughed up to 20 cm deep and ploughed and leveled to facilitate the growth of radish rhizomes.
Second, ridge radish, radish per mu production, soil nutrient water consumption, ridge cultivation to facilitate drainage and promote root enlargement; To ensure the quality of radish, fertilization to farm fertilizer as the main fertilizer, fertilizer supplement. Mu Shi farmyard fertilizer 1500 kg, 20-25 kg of calcium, or nitrogen, phosphorus and potassium ternary compound fertilizer 60 kg.
Third, the choice of varieties of good varieties can choose to choose the Japanese series of Kobayashi, disease-resistant state, but also with the local self-cultivation species. However, the seeds must be new. The seeds newly produced in the year can prevent radish twitching.
Fourth, timely sowing too early sowing, radish swelling when the rain, disease, poor quality. At present, the white radish has been planted in the best period, and the masses should take care of the emergence management. White radish sowing use sowing or open seed sowing on demand, the spacing is generally 3030 cm is more appropriate, about 200 to 250 grams of seed per acre.
V. Seedlings and Dinglings When the radish sprouts grow to 2-3 leaves, the seedlings should be timely and leave 2 plants per hole; when it grows to 5 real leaves, the seedlings can be set, leaving only 1 plant per hole, so that the seedlings will grow vigorously. .
Sixth, topdressing management radish seedlings 30 days after the emergence of good soil moisture can be applied outside the root fertilizer. Urea use 5 to 10 kg per acre, using acupuncture points. When the weather is dry, 0.3% potassium dihydrogen phosphate can be sprayed on the leaves, which is beneficial to root expansion and increase production.
VII. Control pests Radish diseases mainly include black rot, mosaic virus disease, and deficiency factors. In the early stage of disease, 58% metalaxyl manganese zinc, 72% agricultural streptomycin, and 15% bactotoxicity 70% methyl Tobrazin and other agents are sprayed or sprayed on water, and sprayed twice at intervals of 5-7 days. The main pests harmful to radish are yellow-trickles, aphids, cabbage caterpillars, and diamondback moth, etc., and 5% cypermethrin can be used. 2000 times solution control, interval 7 days, even prevention twice, prohibit the use of highly toxic high residue pesticides; radish deficiency disease should be 30 days after the emergence of acres of application of 1 kg of borax and zinc fertilizer, 0.2% borax liquid.
Eight, timely harvest When the radish individuals grow to 1.5-2 kg, the old leaves of the ground yellow, that is, radish harvest time. If the growth period is too long or suffers from frost damage, the quality of the radish should be prevented from deteriorating or even becoming irritating.
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