Crab farming ponds should have the following conditions: convenient transportation, quiet environment, sunny leeward, abundant water sources, good water quality, convenient irrigation and drainage, area is generally 10 to 20 mu, and the water quality is too small to be stable, and the management is inconvenient; Deep 1.5 meters, water depth 1 to 1.2 meters; pond slope 1:3, can greatly reduce the number of crab burrowing; ponds are long, narrow north and south rectangles, length to width ratio of 5:3; pool wide, tight soil, The loam is good; the pond does not leak water, and the bottom sludge does not exceed 5 cm.
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