Pay attention to the balanced water supply: the requirement of soil water content in the growth and development stage of radish is generally 60-80%, especially in the period of radish root enlargement. When the soil water supply is insufficient or when the drought is dry, it is easy to cause hollow, so the water supply should be kept balanced. When the soil moisture content is lower than the above requirements, it should be properly watered.
Scientific application of boron fertilizer: Boron fertilizer can promote the radish heart. From the radish seedlings grow 2~3 pieces of true leaves to about half a month before harvesting, spray boron fertilizer once every 20 days, 150g of borax or 100g of boric acid per acre, first dissolve with a small amount of warm water. Water 60~75 kg is sprayed evenly, and the spraying time is suitable for evening.
Timely application of paclobutrazol: Paclobutrazol has the function of controlling the excessive growth of plants and rationally regulating the distribution and operation of photosynthetic products in plants. In the growing season of radish plants, 15 g of 15% paclobutrazol WP can be sprayed evenly with 50 kg of water, and the non-growth field can be used once.
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