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VOL. 10, ISSUE 12 (2025)
Bridging the yield gap in blackgram through cluster frontline demonstrations in SPSR Nellore district of Andhra Pradesh
Authors
K Kiran Kumar Reddy, D Nagarjuna, S Lokesh Babu, Hari Sadu, G L Siva Jyothi
Abstract
Blackgram is cultivated over an area of 16,566 hectares during the rabi
season in the SPSR Nellore district of Andhra Pradesh. However, productivity
remains low, averaging only 696 kg ha-1, primarily due to the
adoption of sub-optimal cultivation practices. To address this issue and
enhance productivity, Cluster Frontline Demonstrations (CFLDs) were implemented
by Krishi Vigyan Kendra (KVK), Nellore across four mandals in SPSR
Nellore district during the period 2020-21 to 2023-24. The demonstrations were
conducted on Blackgram variety TBG-104, covering an area of 100 hectares and
involving 250 farmers. The objective was to assess the impact of improved
technologies on seed yield, technological gap, extension gap, technology index,
and economic returns. The demonstration plots recorded seed yields of 953,
1000, 1103 and 501 kg ha-1 during 2020-21, 2021-22, 2022-23 and
2023-24, respectively, compared to 752, 760, 900, and 411 kg ha-1
under farmers’ practice. The corresponding yield advantages were 25.1%, 33.4%,
22.6% and 17.9%. The four-year average analysis revealed a technological gap of
1111 kg ha-1, an extension gap of 184 kg ha-1 and a
technology index of 55.5%, reflecting the scope for further improvement. The
average net return and benefit–cost ratio under demonstration plots were
₹22,750 ha-1 and 1.62, respectively, as against ₹10,144 ha-1
and 1.29 under farmers’ practice. The results clearly demonstrate that adoption
of improved technologies under CFLDs significantly enhanced productivity and
profitability in Blackgram cultivation, thereby bridging the yield gap and
benefiting the farming community of the region.
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Pages:38-41
How to cite this article:
K Kiran Kumar Reddy, D Nagarjuna, S Lokesh Babu, Hari Sadu, G L Siva Jyothi "Bridging the yield gap in blackgram through cluster frontline demonstrations in SPSR Nellore district of Andhra Pradesh". International Journal of Botany Studies, Vol 10, Issue 12, 2025, Pages 38-41
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