Influence of long-term integrated nutrient management on soil physical properties in pearl millet-wheat cropping system

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dc.contributor.advisorDahiya, Rita
dc.contributor.authorBairwa, Vikram
dc.date.accessioned2016-10-27T08:39:14Z
dc.date.available2016-10-27T08:39:14Z
dc.date.issued2012
dc.description.abstractA field experiment entitled “Influence of long-term integrated nutrient management on soil physical properties in pearl millet-wheat cropping system” was conducted during the year 2010-11 at Agronomy Research Farm of CCS Haryana Agricultural University, Hisar (India). The experiment consisting of five treatments was laid out in randomized block design with four replications. Long-term application of fertilizers along with organic materials viz. farmyard manure (FYM), wheat straw (WS) and green manure (GM) after 26 cycles of pearl millet -wheat cropping system significantly improved the soil organic carbon (SOC) content by 34% at 0-15 cm depth. Among the organic materials, FYM increased the SOC content to highest level. The application of FYM, WS and GM decreased bulk density and increased saturated hydraulic conductivity of soil up to 30 cm depth. Soil organic carbon and saturated hydraulic conductivity decreased with increasing soil depth. Integrated application of fertilizers with FYM, WS and GM increased infiltration rate by 61.2, 17.5 and 20%, respectively over the treatment having fertilizers alone and enhanced the soil aggregates at all the depths. The FYM resulted in highest mean water stable aggregates (50.88%). Penetration resistance of soil decreased significantly with integrated use of FYM, WS and GM. Soil moisture retention increased with integrated use of organic materials and fertilizers. The soil pH and soluble salt content did not affect upon application of treatments. The combined use of fertilizers and FYM resulted into highest available N (220.5 kg ha-1), P (21.0 kg ha-1) and K (333.8 kg ha-1) amongst all the treatments and organic material treatments followed the order of FYM>GM>WS. Application of fertilizers alone and integrated use of FYM along fertilizers resulted in higher yield of pearl millet and wheat. Amongst all the treatments, FYM produced highest grain and straw yield (5452 kg ha-1 and 6586 kg ha-1) of wheat. Application of FYM along with fertilizers improved the N P K concentration and uptake in grain and stover of pearl millet. Application of FYM along with fertilizers also resulted into highest N, P and K concentration and uptake in grain and straw of wheat. Among the organic materials, application of WS resulted into lowest yield, concentration and uptake of NPK in grain and stover of pearl millet and grain and straw of wheat.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/82369
dc.language.isoenen_US
dc.publisherCCSHAUen_US
dc.subSoil Science
dc.subjectFertilizers, Farmyard manure, Organic fertilizers, Crops, Nutrients, Grain, Crop residues, Wheats, Yields, Concentratesen_US
dc.these.typeM.Sc
dc.titleInfluence of long-term integrated nutrient management on soil physical properties in pearl millet-wheat cropping systemen_US
dc.typeThesisen_US
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