Author(s):

MC Obaiah, K Pullamraju and D Kodandarami Reddy

Abstract: Black gram is an important rabi pulse crop in Nellore district of Andhra Pradesh but due to unavailability of improved variety and non adoption of improved cultivation practices in the district, its productivity (550 kg/ha) is far below the average national productivity (970 kg/ha) and state average of 902 kg/ha. The present study was carried out by Krishi Vigyan Kendra, Nellore, Andhra Pradesh to study the yield gaps between improved package of practices under cluster frontline demonstration (CFLD) and farmer’s practice (FP) of Blackgram crop. The study found that the average yield of Blackgram (TBG-104) in CFLD under rainfed conditions ranged from 19-20q/ha whereas in FP it ranged between 12 to 13.33q/ha. The per cent increase in yield with Improved Practices (IP) over FP was recorded in the range of 66.66 to 73.68. The extension gap and technological index were ranging between 5-6 q/ha and 8.69-21.73 per cent, respectively. The trend of technology gap reflected the farmer’s cooperation in carrying out demonstrations with encouraging results in subsequent years. The benefit cost ratio was 2.36-2.39 under demonstration, while it was 1.4 to 1.5 under farmer’s practices. The present study resulted to convincing the farming community for higher productivity and returns.

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