Nagpur: Union Minister Nitin Gadkari said experiments in the crop pattern followed by farmers was needed to make villages ideal and asked heads of villages to lead the change. Speaking at the ‘Navrashtra Sarpanch Samrat and Agrotech’ award ceremony, Gadkari said panchayat heads were interacting with farmers at the ground level and, therefore, should be catalysts in the progress of villages. He said that the country’s civic hierarchy starts from the village gram sabha before moving on to higher groupings like municipal corporations and govts.