Abstract
This study aims to evaluate the growth of natural feed, growth, survival rate, and production of white shrimp culture in an extensive system. A total of 9 ponds of 500 m2 were used as research containers. This study used a CRD with 3 treatments each with 3 replications. The treatments tried were: A = pond solid waste as organic fertilizer (2000 kg/ha) + Urea (100 kg/ha) + SP 36 (100 kg/ha), B = KCP PLUS + Urea (100 kg/ha) + SP 36 (100 kg/ha) and C= KM+Urea (100 kg/ha) + SP 36 (100 kg/ha). The test animals’ average weight of 0.027 g/ind, stocked at a density of 4 ind/m2. Supplementary fertilizer was given 10% of the initial dose and given every week. The results showed that the application of pond solid waste organic fertilizer gave a relatively similar response to the use of other commercial fertilizers on the growth of white shrimp. The survival and shrimp production significantly differed from other treatments. The abundance of individual phytoplankton ranging from 565-2588 ind/L and zooplankton ranges from 523-652 ind/L. The plankton diversity index (H’) ranges from 1.47-2.12, the uniformity index (E) ranges from 0.52-0.83, and the dominance index (D) ranges from 0.16-0.38.
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