The study estimated the rates of returns to investment on research and development of summer onion in Bangladesh. The Economic Surplus Model with ex-post analysis using secondary data was used to determine the returns to investment and its distribution between the production and consumption....

The present study attempts to determine the productivity, profitability and resource use efficiency of four promising spices crops such as garlic, chilli, ginger and turmeric. The data were collected from 480 farm households in the crop year 2010-2011. Productions of all the crops were...