Farming is very famous in this part of the country and there are many kinds of cultivations. This is more a physical supporting this as well as coming to know the local community in the area of Ratnapura. You can work with them in their farms for few days and gain the knowledge they have. As you may know in Sri Lanka we still uses traditional and ancient systems to do our cultivations which is more than 100% accurate and better. Our irrigation systems are being studied by many countries and adopted them by connecting the technology.