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Qingtang: 7-10 days before stocking, use 75-100 kg of quicklime to clear the pond. Water injection: Clear water is injected 50-70 centimeters after 4 days. Shi Jifei: The organic fertilizer applied before the water injection in Qingtang is generally 300-400 kg per mu, depending on the shrimp pond. The purpose is to cultivate zooplankton and benthic food organisms for feeding the shrimp. This is the key to the survival rate and the speed of growth in the early growth stage of shrimp.
How to prepare for stocking