SOIL PROPERTIES AS INFLUENCED BY LEVELS OF BIOCHAR AND FYMAPPLICATION UNDER AEROBIC RICE – PULSE CROPPING SYSTEM

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dc.contributor.advisorDr. G. N. THIPPESHAPPA
dc.contributor.authorARUNKUMAR, B. R.
dc.contributor.otherDr. H.M. CHIDANANDAPPA
dc.date.accessioned2021-12-01T05:54:43Z
dc.date.available2021-12-01T05:54:43Z
dc.date.issued2019-09-14
dc.description.abstractTwo field experiments were conducted at ZAHRS, Navile, UAHS, Shivamogga, during summer and Kharif 2018 to know the effect of biochar and FYM on soil properties, soil carbon pools, yield of aerobic rice and green gram. The experiment was planned in RCBD design with 16 treatments consisting of four levels of biochar at 2, 4, 6 and 8 t ha-1 and two levels of FYM at 5 and 10 t ha-1 which were applied alone and in combinations. The recommended dose of fertilizer was applied commonly to all the treatments with three replications. The result revealed that combined application of 8 t ha-1 biochar + 10 t ha-1 FYM with RDF (100:50:50 kg ha-1) to soil significantly influenced the soil BD, porosity, MWHC, FC, PWP and water stable aggregates, pH, EC, CEC, available nutrients status, soil enzymes and microbial biomass compared to absolute control and RDF alone treatments. Soil carbon pools0viz., potassium dichromate and permanganate oxidizable carbon and soil microbial biomass carbon contents were significantly increased due to combined and alone application of biochar and FYM compared to absolute control and RDF alone. The TOC and TC contents in soil increased with increase in biochar rate but statistically non-significant effect. Combined application of biochar @ 8 t ha-1 + FYM 10 t ha-1 with RDF recorded significantly higher aerobic rice grain 6184.0 kg ha-1 and straw 7724.0 kg ha-1 yield and yield parameters viz. number of panicles hill-1 and number of grains panicle-1. Residual effect of applied @ biochar 8 t ha-1 + FYM 10 t ha-1 with RDF (20:50:50 kg ha-1) increased the soil physical, physico-chemical, available nutrients status, soil carbon pools, soil enzymes, microbial biomass and significantly higher yield of green gram (871.0 kg ha-1) and stover (1708.0 kg ha-1) as compared to absolute control and RDF alone.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810178469
dc.keywordsCharacterization of biocharfor its physical and chemical properties, Stability of biocharen_US
dc.language.isoEnglishen_US
dc.pages263en_US
dc.publisherUniversity of Agricultural & Horticultural Sciences, Shivamoggaen_US
dc.research.problemSOIL PROPERTIES AS INFLUENCED BY LEVELS OF BIOCHAR AND FYMAPPLICATION UNDER AEROBIC RICE – PULSE CROPPING SYSTEMen_US
dc.subSoil Science and Agriculture Chemistryen_US
dc.themeSOIL PROPERTIES AS INFLUENCED BY LEVELS OF BIOCHAR AND FYMAPPLICATION UNDER AEROBIC RICE – PULSE CROPPING SYSTEMen_US
dc.these.typePh.Den_US
dc.titleSOIL PROPERTIES AS INFLUENCED BY LEVELS OF BIOCHAR AND FYMAPPLICATION UNDER AEROBIC RICE – PULSE CROPPING SYSTEMen_US
dc.typeThesisen_US
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