The fruit and vegetable gas storage library has been used for commercial storage for nearly 70 years. It has been widely used in some developed countries. For example, the fruit stored in the US atmosphere is as high as 75%, Fran.......

Generally speaking, there are two types of drying rooms for air drying units, one is a simple independent drying room (the product does not require secondary processing); the other is a running water drying room (product requires.......

According to statistics, the total area of ​​shallow beach coatings in China is about 93,000 square kilometers, with more than 700 kinds of marine shellfish, and the output of shellfish is ranked first in the world. In 1999, the total output of shellfish in China was about 10 mil.......

When the trunk is whitened, the focus of use is different, and the formula of the whitening agent is also different. Here are a few commonly used whitening agent formulas.

Whitening agent for the purpose of preventing frost damage

Tal.......

The edible parts of the crabs account for about 1/3 of the whole body, and most of them are crab shells. The crab shells are subjected to chemical treatments such as decalcification, fat removal, bleaching and deacetoxylation to make soluble chitin, insoluble in water and alkalinity. The solut.......

1. The fish species are stocked and intensively fed, and grass carp, group head locust should account for 40-50% of the total stocking amount, carp accounts for 20-30%, quail total accounts for 20-30%, group head oysters, bream, bream fish, etc. 10%. Requirements for the development of commerc.......

Guangdong wolfberry (commonly known as Xijiang list, big eye list, flower list) is tender, delicious, and is well-known both at home and abroad. The Xijiang River, located in Luobian Town, Yunan County, is the largest natural spawning ground in Guangdong. Since 1992, the Yunan County governmen.......

(Wu Tianjing, Agricultural and Economic Affairs Office, Shibikeng Reservoir, Huichang County, Jiangxi Province, China Postcode: 342600)

Filter sludge is a by-product of the cane sugar industry. It contains a large amount of crude protein, crude fat, pectin and a mixture of nutrient el.......

Dryness is evil in the autumn, and it is most likely to hurt the lungs. At this time, we can use diet to achieve the effect of stimulating the lungs and replenishing lungs, such as eating some lung-enriched foods and dishes. What kind of lungs do you eat in the fal.......

1. Shading net cooling and high temperature weather advocates the use of shade nets to cover the top of the greenhouse to reduce the temperature inside the shed and reduce the impact of high temperature. For leafy vegetables that are not resistant to high temperature, the shade net can be .......