1, the yield of wet grain in an acre of paddy field with fish farming 1400 kg, which is more than 200 kg higher than that in ordinary fi
1, the yield of wet grain in an acre of paddy field with fish farming 1400 kg, which is more than 200 kg higher than that in ordinary fields. "
2. Rice should be the main fish culture in paddy field, and fish culture should be given consideration. This guiding ideology is to transform the original paddy field ecology into a more favorable direction according to the theory of rice and fish, so as to achieve the purpose of increasing rice production and harvesting fish.
3. The traditional feeding object is mainly carp. At present, grass carp is advocated in China, and carp, non-crucian carp and other fish are also raised. Raising grass fry can make fry and rice grow together in rice fields: on the one hand, fish feed on weeds and pests, and fish manure can fertilize the fields, which can increase rice yield by more than 10%; On the other hand, it is also possible to obtain further cultured commercial fish species or directly sold edible fish.