This paper evaluates the different variations of integrated farming that are prevalent in developing countries in Asia. A cross-country comparison was done using productivity analysis on duck-fish integrated farming in India, poultry-fish in Thailand, rice-fish in the Philippines, and...

Sustainable crop production requires a judicious management of soil resources and of all plant nutrient sources available in a farm or a village. The main focus of the study was to determine the constraints faced by the resource-poor farmers regarding integrated soil fertility and nutrient...