Pay attention to balance the water supply. The water content of the soil during the growth and development stage of radish should reach 60% to 80%, especially when the radish fleshy root enlargement period, when the soil water supply is insufficient or when drought occurs, the hollow phenomenon is likely to occur, so the water supply should be balanced during cultivation. When the soil moisture content is lower than required, it is necessary to water properly. Scientific application of boron fertilizer. Boron fertilizer can promote radish and be big. From the time when radish sprouts grow from 2 to 3 true leaves to harvest, spray boron once every 20 days. Each time, use 150 grams of borax or 100 grams of boric acid per acre. Dissolve in water with a small amount of warm water. ~ 75 kg, spray evenly after evening stirring. Paclobutrazol application. Paclobutrazol has the effect of controlling excessive plant growth and regulating the distribution and function of photosynthetic products in plants. During the radish growth period, 15 grams of 15% paclobutrazol wettable powder per acre was sprayed evenly on 50 kg of water. For normal growing fields, it is usually used once.
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