Debajyoti CHAKRABARTY, Sanjib Kumar DAS, Mrinal Kanti DAS, Mukti Pada BAG

Assessment of vermicompost as direct application manure in fish farming ponds

Oreochromis mossambicus’un (Cichlidae) büyüme performansı (Peters, 1852), aynı şekilde fitoplankton ve zooplankton üretimi; doğrudan uygulanan suni gübre olarak Kompoze Gübre (MF; 1:1 oranında Single Sürperfosfat ve Üre), Single Süperfosfat (SP) ve Vermikompost (VC) alan, su ile doldurulmuş tanklardan tahmin edilmiştir. MF, SP ve VC ile gübrelemeye cevap olarak plankton çeşitliliği ve bolluğu bakımından anlamlı farklılar gözlendi (P

Anahtar Kelimeler:

ticari gübreler, vermikompost, balık çiftlikleri, balık üretimi, büyüme, doğal gübreler, plankton, su kalitesi

Balık çiftçiliği havuzlarında Vermikompostun doğal Gübre olarak doğrudan kullanılması

Growth performance of Oreochromis mossambicus (Cichlidae) (Peters, 1852) as well as phyto- and zooplankton production were estimated in water filled cisterns receiving Mixed Fertilizer (MF; Single super phosphate and Urea in 1:1 ratio), Single super phosphate (SP) and Vermicompost (VC) as direct application fertilizer. Significant differences (P<0.001) were observed in the diversity and abundance of plankton in response to fertilization with MF, SP and VC. The different fertilizer and manure used can be graded in the following descending order: VC, MF and SP. The least concentration was accounted in control sets. The highest production of fish was obtained in vats treated with VC (4,000.00 kg.$ha^{-1}$ 90 day-1) followed by MF (3,100.00 kg. $ha^{-1}$ 90 $day^{-1}$), SP (2,030.00 kg. $ha^{-1}$ 90 day-1) and the lowest in control (CO) sets (390.00 kg. $ha^{-1}$ 90 $day^{-1}$). The highest yield of fish in vats applied with VC is attributed to its highest manorial value.

Keywords:

fertilizers, vermicomposting, fish farms, fish production, growth, manures, plankton, water quality,

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