The objective of the study was to find out the economically viable zone for sericulture technology in Tamil Nadu. Costs and returns from north western and western zone were estimated. The study showed that net return from cocoon production for north western zone and western zone were 270200.41 and 377153.36 ha/year. The output / input ratio of sericulture were higher than unity for both the zones i.e., 12.28 and 12.32 for north western zone and western zone. The estimated results showed that farmers of western zone of Tamil Nadu earned more profit than north western zone.
Susikaran et al. (Tue,) studied this question.
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