EVALUATION OF PANCHAGAVYA AS ORGANIC INPUT FOR LATE SOWN RAPESEED PRODUCTION
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Date
2021
Authors
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Journal ISSN
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Publisher
AAU, Jorhat
Abstract
A field experiment entitled “Evaluation of panchagavya as organic input for late sown rapeseed production” was conducted at the organic block of the Instructional-cum-Research (ICR) Farm, Assam Agricultural University, Jorhat during rabi season of the year 2020- 2021 to evaluate the effects of panchagavya on growth, yield and economics of late sown rapeseed as well as their overall impact on soil health. The experiment was laid out in Randomised Block Design with three replications. The experiment consisted of eight treatments viz.,T1: control (no
organic input )), T 2 : RDN through vermicompost , T 3 : Vedic panchagavya soil application (3%), T 4 :
1 tonne VC/ha as basal + Vedic panchagavya foliar application (3%), T 5 : e nriched panchagavya
soil application (3%), T 6 : e nriched panchagavya foliar application ( 3%), T 7 : Vedic panchagavya
basal application (1.5%) + Vedic panchagavya foliar application (1.5%), T 8 : e nriched
panchagavya basal application (1.5%)+ enriched panchagavya folia r application ( 1.5%). The soil
of the site where experiment was carried out was sandy loam in texture, acidic in reaction. The
soil of experimental site was medium in organic carbon (0.48 %), medium in av ailable N, P 2 O 5
and K 2 O (268.86, 21.87 and 172 .82 kg/ha , respectively The crop was sown on 9 December,
2020 and harvested on 19 March, 2021. The crop took average duration of 101 days during
experimentation.
Experimental findings revealed that different treatments significantly influenced bo th
growth and yield attributing characters of late sown rapeseed. Maximum values of growth
parameters were recorded in 1tonne VC/ha as basal + Vedic panchagavya FA (3%) treatment
(T 4 ). Maximum values of yield parameters were also observed under 1tonne VC/h a as basal +
Vedic panchagavya FA (3%) treatment. The highest seed yield (6.89q/ha) and stover yield (20.48
q/ha) were recorded in this treatment (T 4 ).
The highest oil yield (258.91 kg/ha) of rapeseed and also increased nutrient content and
up take were recorded with application of 1tonne VC/ha as basal + Vedic panchagavya FA (3%) 3%).
The better chemical properties of the soil after harvesting was recorded in RDN through VC (T 2 )
treatment but better biological properties viz ., microbial population i.e., bacteria ( 26.12 x 10 7
cfu/g of soil ) and fungi ( 29.89 x 10 4 cfu/g of soil) and dehydrogenase activity (9.48 µg TPF/g/24
hrs were recorded under treatment T 4
The economic study revealed that the highest gross return (Rs. 55120/ha) was observed in
1 tonne VC/ha as basal + Vedic panchagavya foliar application (3%) (T 4 ) treatment. But the
maximum net return (Rs. 34020/ha) and B:C ratio (1.90) were recorded in enriched panchagavya
foliar application ( (T 6
From t his study, it can be concluded that the Vedic panchagavya @ 3% as foliar
application along with 1 ton ne of VC/ha as basa l (T 4 ) under late sown condition was found to be
the best among all the treatments in terms of growth and yield attributes as well as yield of the
rapeseed var. TS 67 But, foliar application of enriched panchagavya @ 3% (T 6 ) was identified
as profitable among all the treatments with the highest B:C ratio o f 1.90.