Full cost and return structures for one acre in Assam at 2025-26 prices, with labour costed at ₹ 385 per man-day. Both models exclude the imputed value of family labour and land rent, and both are sensitive to wage and fertiliser prices, which move with economic, political and environmental conditions.
2.02Muga B:C ratio
1.91Eri B:C ratio
₹ 1,00,487Muga net return / acre / yr
₹ 97,278Eri net return / acre / yr
- মুগা পালনৰ অৰ্থনীতি
Establishing one acre of som, leaf production, rearing appliances, and the rearing cost and return statement.
- এৰী পালনৰ অৰ্থনীতি
Castor plantation establishment, fixed and variable rearing cost, cocoon and pupae revenue.
- তুলনামূলক মাপকাঠি
The two side by side — and why the headline benefit–cost ratios are not costed on the same basis.