On Farm Testing are being planned to refine the techniques for Cotton, Gram, Chilli, Tomato , Mineral Mixture  in tribal area on various aspects.
Agricultural Universities/ICAR institutes recommend different technologies on large scale. Due to variation in agro-climatic situations, soil types, few technologies may not perform to its potential and needs minor modifications at field level.
Krishi Vigyan Kendra is working at grass root level. The technologies, which may not perform are modified or fine tuned and tested on farmer’s field with usually three treatments for comparison. These technologies are tested for 2-3 subsequent years. The results are discussed with the scientists/researcher and finally the decision about continuation of refined practice is taken and implemented for mass adoption in the same area.