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Background: Blackgram (Vigna mungo L.) is an important pulse widely consumed in India. The productivity of this crop is declining in Vellore district of Tamil Nadu due to non -adoption of improved varieties and recommended improved practices. Methods: The present cluster front line demonstration was conducted by Krishi Vigyan Kendra, Vellore in rabi season during 2021-22 using black gram variety VBN 11 in the farmers’ fields by the active participation of farmers. Result: The results of the demonstrations revealed that 23.14 per cent yield increase was observed in the demonstrations plots as compared to existing farmers’ practices of black gram due to adoption of improved variety and recommended improved practices.
R. Jayaramasoundari (Thu,) studied this question.