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Title: Scientific validation of indigenous organic formulation-panchagavya for sustaining rice productivity and residual effect in rice-lentil system under hot semi-arid eco-region of middle Indo-Gangetic plains
Authors: Upadhyay, Pravin Kumar
Sen, Avijit
Rathore, Sanjay Singh
Kumar, Bipin
Singh, Ram Kumar
Prasad, Saroj Kumar
Sankar, Ardith
Keywords: Dehydrogenase;Microbial population;Panchagavya;Recommended Dose of Fertilizer;System of Rice Intensification
Issue Date: Jan-2019
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.18 C12Q 1/32, A01N 63/04, A61K 31/19, A61K 33/00, A01D 45/04
Abstract: Combined application of organic source of nutrient and inorganic fertilizers increases nutrient synchrony and reduces losses leading to sustainable productivity. With this concept in mind a field trial was conducted at Varanasi, India during 2013–14 and 2014–15, to evaluate and validate the efficiency and efficacy of panchagavya (blend of five cow products i.e. dung, ghee, curd, urine and milk) in combination with recommended doses of fertilizers (RDF) on rice yield, soil microbial population, soil microbial biomass carbon (SMBC), soil enzymatic activity and their residual effects on lentil. Application of panchagavya (D4-seedling root dip + one spray at 30 days after transplanting-DAT @ 6% + application through irrigation water at 60 DAT) produced higher productive tillers/m2, number of filled spikelets/panicle, leaf area index (LAI), grain yield, soil bacterial and fungal population, SMBC and dehydrogenase activity. Application of 100% RDF significantly increased grain yield (5935 kg/ha) but 120% RDF recorded the highest straw yield (8283 kg/ha) and biological yield. Residual effect of panchagavya at D4 level resulted in higher (19.1% over control) seed yield of lentil. However, conjunctive use of 100% RDF and D4 ensured maximum net return (1194.9 $/ha).Therefore, use of indigenous product i.e. panchagavya in combination with fertilizer can be inferred to improve soil health, ascertain high productivity, profitability and sustainability in rice-lentil production, while preserving natural resource base under hot semi-arid eco-region of middle Indo-Gangetic Plains (IGP).
Page(s): 104-113
ISSN: 0975-1068 (Online); 0972-5938 (Print)
Appears in Collections:IJTK Vol.18(1) [January 2019]

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