The innovative aquaculture model has brought Tiantan's benefits to increase exponentially. Demonstration and promotion of the "Tiantang shrimp, crab, and turtle polyculture technology demonstration" project implemented in the agricultural comprehensive technical service stati.......

The biogas production in winter is generally low, especially in the north. The reason is as follows:
1. Start a new pool in winter. If it is difficult to ferment in winter, if it is forced to start a new pond in the winter, the effect of gas production is not good.......

In winter and early spring when the temperature is low, the wheat field pest management, fertilization should pay attention to the following two points:

Insect pest control wheat aphids, red spiders and other pests, spraying omethoate better than dimethoate. Because the detoxificat.......