Before and after the Ching Ming period, the spring blossoms, the earth recovers, and snails dormant in the mud have climbed out of the earth. At this time, it is the best season for edible snails. After the Ching Ming Festival, the snails will produce seeds and they will be thinner.

Straw is one of the most abundant resources in the world. China produces about 700 million tons of straw every year. Its nutritional value is equivalent to 200 million tons of grain and can provide e.......

Urea is a fast-acting nitrogen fertilizer that is widely used in production. However, some peasant friends have little knowledge of the properties of urea, and often blindly apply fertilizer to cause unnecessary losses. So what should be paid attention to when applying urea in production? .......

With the advent of the industry 4.0 era, the Internet of Things connects the various things in the objective world in the form of the Internet, and builds an ecological system for real-time information exchange and communication between people, machines and things. In the dev.......