Impact of Varietal Demonstrations on the Productivity and Sustainability in Blackgram at Villupuram District of Tamil Nadu, India

Abstract

Popularization of newly released variety in a new environment through field demonstrations has an important role after variety release to increase the productivity and sustainability in a particular location. Keeping In this view, the field demonstrations were conducted at farmer’s field by introducing new blackgram variety VBN 11. A total of fifteen field demonstrations were conducted by using new blackgram variety (VBN 11) at farmer’s field organized by Krishi Vigyan Kendra, Villupuram, Tamil Nadu during 2023-24. The blackgram variety VBN 11 seeds were distributed to selected farmers on no cost basis for one acre along with critical inputs. The farmers cultivating variety VBN 4 was used as the check variety (farmer’s practice). An average yield of 1,107 kg.ha-1 was recorded in the VBN 11 demonstration plots which was 12.91% increase over farmers cultivating variety VBN 4 (981 kg.ha-1). The farmers have obtained additional revenue of Rs.12,580.ha-1 from VBN 11 demonstrations. In this regard, one training programme on production technologies for pulses was organized for the beneficiary’s farmers by KVK, Villupuram, (Tamil Nadu) before conducting the final demonstrations to improve the productivity in Villupuram District through new varietal demonstrations.