How to avoid hollowness in radish cultivation? Radish fertilization technology? 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.
The white radish is hollow and can be eaten. The white radish can be eaten hollow, but the nutritional value is not so high.
The reason why white radish will appear hollow is because the organic matter in the body is decomposed by respiration, and the water will be lost. The long-term respiration will cause the organic matter of the white radish to be consumed, and the nutritional value is greatly reduced. Therefore, after a long time White radish will appear hollow and the taste will be not as good as fresh radish. At this time, although the white radish can be eaten, the effect will be greatly reduced. Therefore, it is recommended to buy the white radish as soon as possible to avoid the loss of nutrients. When buying white radish, pay attention to it and try to pick fresh.
How to keep the white radish in the refrigerator
After buying the radish, cut off the radish from the rhizome joint, but be careful not to cut the radish. This will prevent the radish from continuing to grow, blocking the radish from continuing to support it, and maintaining its moisture and nutrients. Dispose of the processed radish in the refrigerator. Because the radish stem has a strong ability to regenerate, once the proper temperature and humidity are available, new stems and leaves may grow again. The temperature in the refrigerator from 0 ° C to 5 ° C can ensure that the radish will not re-emerge.
Seal preservation method
The radish should be dried for one day. When the outside temperature drops to 1 degree - 2 degrees, the radish is sealed in a polyethylene plastic bag, or the radish is tied up during the day and opened at night, so that it will not be stored for a long time. Those who have the condition can choose to bury the radish in the sand layer of the basket, so that the water loss of the preserved radish is small.
Soil pit storage method
Cut the fresh radish to the top, remove the hair roots, and strictly remove the radishes with insects, mechanical injuries, cracks and too small. Dig a pit of 1 meter square, put the radish roots up, top down, leaning against the pit wall, in order. Code a layer of radish, sprinkle a layer of pure soil about 10 cm thick, so alternately placed, a total of four layers. If the pit soil is too dry, it can be sprayed with water and wet. After the last layer of code is good, it is necessary to gradually thicken the soil layer according to the climate change, and the sky is warm and less covered with soil, and the soil is covered with strong cold current. The soil is covered before and after the cold, and the soil thickness is 1 meter.
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