Table 11 Payback period, net present value and internal rate of return in OCS and CCS.

From: Economic feasibility study of organic and conventional fish farming systems of Indian major carps

Culture systems

Profit (USD)

Payback period (years)

Net Present Value (USD)

Internal Rate of Return (%)

Organic culture system(OCS)

32328a

1.75a

106218.75a

51.3a

Conventional culture System(CCS)

15894b

1.82a

51117.03b

50.7a

  1. a,bMeans superscripted with different letters in rows are significantly different (P < 0.05).