The use of organic fertilizer is generally applied per hectare 2500 to 3,000 kg of organic fertilizer, and then added 30 to 50 kg of superphosphate, calcium at the base fertilizer.
The application of calcium fertilizer is lime. This is commonly used in the production of calcium fertilizer. Lime can not be over-used, generally 50-70 kilograms per acre of vegetable land, mixed with organic fertilizer as a base fertilizer. The ability of hydrated lime to neutralize the acidity of the soil is weaker than that of quicklime, which is generally 40-80 kg per mu. The second is calcium nitrate. Generally, 20~25 kg per mu of vegetable land is applied, or according to the situation, combined with pest control and spraying, foliar spray fertilizer is used for top dressing, and 0.1%~0.2% calcium nitrate or 1% superphosphate can be sprayed. , even spray 3~4 times, the interval is about 15 days.
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Freeze-dried Vegetables into powder will not affect its nutrition. Normally heat-sensitive substances are lost at high temperatures. For example: traditional high temperature drying technology. Freeze-drying technology and sun drying, drying, spray drying and so on are drying technologies, different drying methods have different effects on the quality of products. Freeze-drying method has less damage to the product. The traditional drying method is above 0℃, while the freeze-drying technology is simply understood to sublimate the moisture of fresh food under the vacuum and low temperature environment, and retain its original nutritional composition, appearance, size and other biological characteristics.
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