Performances of Green Gram and Black Gram under FLD Programmes in lateritic Soil of West Bengal, India Performances of Green Gram and Black Gram under FLD Programmes in lateritic Soil of West Bengal, India
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Abstract
Demand- Supply gap of pulses in West Bengal
was 1.27 million tons in the year 2010-11.
Besides the demand-supply scenario, from the
nutritional perspective, the requirement of
grain legumes/ pulses is ideally 14.6 kg/ person/
year whereas, the availability of grown pulses in
2010-11 was 0.0017 kg / person/ year in West
Bengal. Considering the same situation in
Birbhum District to bridge the gap, Front Line
Demonstration (FLD) programmes on summer.
Green Gram and summer Black Gram were
conducted during the years 2013 and 2014 in
the adopted villages of the Rathindra Krishi
Vigyan Kendra, Institute of Agriculture, Visva-
Bharati, Sriniketan, Birbhum, West Bengal,
India. The demonstrations were conducted in
the irrigated medium land situation and sandy
loam soil with low pH (6.1- 6.3), organic carbon
(0.40 - 0.47 %) and available phosphate (17.5-
8.8 kg P2O5/ ha) content. The varieties PDM-84-
139 of Green Gram and WBU- 108 of Black
Gram were demonstrated as improved
technologies against the local check variety B -
105 and B -76 respectively. In the case of Green
Gram, 65 numbers of demonstrations in 5.0 ha
area during summer 2014 were conducted. Due
to intervention of new improved variety the
average yield of Green Gram was increased by
24.5 % with better B: C ratio of 2.99 as
compared to 2.6 in the local check variety. In
the case of Black Gram, 43 and 37 numbers of
demonstrations in 5.0 ha and 4.0 ha area during
summer 2013 and 2014 respectively were
conducted. The average yield of Black Gram was
increased by 20.3 & 29.4% with higher B: C ratio
of 2.71 & 2.48 in comparison to 2.3 & 1.94 in
the local check variety respectively during 2013
& 2014. The cultivation of short duration
varieties of Green Gram and Black Gram were
found acceptable to the farmers resulting in
rapid horizontal spread of Green Gram var.
PDM- 84- 139 in 84 ha of land whereas the
horizontal spread of Black Gram var. WBU-108
was in an area of 140 ha within 2 years.
Improved variety of Black Gram was found
more acceptable by the farmers may be due to
easier harvesting of Black Gram though Green
Gram fetched slightly higher B: C ratio due to
higher price in market.
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