Second, the choice of location. It should be considered from the aspects of water source (which can also be solved by digging wells and repairing canals), soil impermeability, less investment, labor saving, labor saving and quick effect.
1. Building ponds in natural pits, shallow ponds, dry old rivers, branches of old rivers, or low-lying areas has the advantages of small investment, quick effect and labor saving.
2. It is best to stick or loam on the soil where the pool is built.
3, to choose from rivers, wells and other water sources near or convenient for water diversion to build pools.
Third, fish pond standards.
1, fish pond area: the size of fish pond area depends on the species and specifications of fish. Such as grass, scales, sole, carp, sole, squid and other fish with an area of about 10 mu; Nile tilapia should be cultivated in an area of about 3 mu or less than 5 mu; Fish ponds for cultivating summer flowers are per mu 1-2 mu; Summer flowers to fish ponds, each 2-3 acres.
2. Fish pond depth: Fish pond depth is an important condition for fish production. As the saying goes, "big fish are raised in deep water". The depth of fish ponds varies with the species and specifications of fish.