By Claude E. Boyd

Aquaculture pond managers degree water-quality variables and try to hold them inside of optimum levels for shrimp and fish, yet unusually little awareness is paid to pond soil . Soil-water interactions can strongly influence water caliber, and soil components can be thought of in aquaculture pond administration. the significance of soils in pond administration could be illustrated with an instance from pond fertilization and one other from aeration. Pond fertilization would possibly not produce phytoplankton blooms in acidic ponds. overall alkalinity is simply too low to supply enough carbon dioxide for photosynthesis, and acidic soils adsorb phosphate further in fertilizer prior to phytoplankton can use it. Agricultural lime­ stone program can increase overall alkalinity and neutralize soil acidity. the quantity of limestone essential to reason those adjustments in a pond will depend on the bottom unsaturation and trade acidity of the ground soil. ponds with a similar overall alkalinity and soil pH may possibly require tremendously assorted amounts of limestone simply because they vary in trade acidity. Aeration complements dissolved oxygen concentrations in pond water and allows better feed inputs to augment fish or shrimp creation. As feeding charges are raised, natural subject accumulates in pond soils. In ponds with very excessive feeding charges, aeration may provide adequate dissolved oxygen within the water column for fish or shrimp, however it could be most unlikely to take care of cardio stipulations within the floor layers of pond soil. poisonous metabolites produced by way of microorganisms in anaerobic soils could input the pond water and damage fish or shrimp.

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Bottom Soils, Sediment, and Pond Aquaculture (Plant & Animal) by Claude E. Boyd


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