Radish hollows affect the yield, quality and economic benefits of radish. However, there are also ways to prevent the effective control of radish hollows.
Pay attention to balanced water supply: The requirement for soil water content in radish growth and development stage is generally 60%~80%, especially when the radish fleshy root enlargement period, when the soil water supply is insufficient or when drought occurs, it is easy to cause hollowness, so the balance water supply should be maintained. When the soil moisture content is lower than the above requirements, it is necessary to water properly.
Scientific application of boron fertilizer: boron fertilizer can promote radish a big heart. From radish sprouts grow 2~3 leaves of true leaves to about half a month before harvest, spraying once every 20 days with boron fertilizer, 150 grams of borax or 100 grams of boric acid per acre, first dissolved in a small amount of warm water Water 60 ~ 75 kg evenly sprayed, spraying time in the evening is appropriate.
Application of paclobutrazol: Paclobutrazol has the function of controlling excessive plant growth, reasonably regulating the distribution and functioning of photosynthetic products in plants. In the radish plant growth period, mu 15 grams of 15% paclobutrazol wettable powder, 50 kg of water evenly sprayed, non-growing fields generally can be used once.
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