Edible fungus is a very important vegetable in China. The output demand of domestic edible fungus is rising every year. From the early 20th century to now, the output of edible fungus in China has inc
Case background:China is a large country of facility agriculture. In recent years, facility agriculture has developed rapidly all over the country. Only Liaoning Province will have 10 million mu of fa
1、 Requirement descriptionAnimal husbandry is an important industry related to the national economy and the people's livelihood, and meat, egg and milk are important varieties of people's &quo
1、 Demand background Aquaculture industry, as an important national meat variety, with the increase of demand in recent years, the problems of low output and product difference of traditional free