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Effect of hydraulic loading rate on the growth of koi carp (Cyprinus carpio var. koi.) and gotukola (Centella asiatica (L.)) using phytoremadiated aquaculture wastewater in aquaponics.

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Title Effect of hydraulic loading rate on the growth of koi carp (Cyprinus carpio var. koi.) and gotukola (Centella asiatica (L.)) using phytoremadiated aquaculture wastewater in aquaponics.
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Creator Nuwansi KKT, Verma AK, Rathore G, Chandrakant MH, Prabhath GPWA, Peter RM
 
Subject Centella asiatica, Cyprinus carpio, ammonia, aquaponics, feed conversion, freshwater, koi, nitrates, nitrites, plant growth, Specific growth rate, stocking rate, vegetables, wastewater
 
Description Not Available
The study evaluates optimum hydraulic loading rate (HLR) based on the fish and plant production performance and nutrient removal percentage in aquaponics. The growth of Gotukola (Centella asiatica (L.))—a leafy vegetable as well as traditional medicinal plant—and koi carp (Cyprinus carpio var. koi.)—a high demand ornamental fish—were evaluated at three different HLRs, viz. 2.6 m day⁻¹ (T1), 7.8 m day⁻¹ (T2), and 13.0 m day⁻¹ (T3). Treated aquaculture wastewater was utilized in a combination of the freshwater in 1:1 ratio with 2.1 kg m⁻³ fish stocking density. The highest fish mean length; weight; feed conversion ratio; specific growth rate; NH₃, NO₂⁻, and NO₃⁻ removal percentage; and plant growth parameters were observed. Considering fish (koi carp) and plants (Gotukola) growth parameters as well as nutrient removal percentages, a HLR of 7.8 m day⁻¹ was found to be the optimum in aquaponics.
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Date 2022-06-17T06:25:40Z
2022-06-17T06:25:40Z
2020-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/72791
 
Language English
 
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Publisher Not Available