KRISHI
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Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/27216
Full metadata record
DC Field | Value | Language |
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dc.contributor.author | R.K. Naresh, A.S. Panwar, S.S. Dhaliwal, R.K. Gupta, Arvind Kumar, R.S. Rathore, Ashok Kumar, Dipender Kumar, Mohan Lal, Sunil Kumar, Saurabh Tyagi, Vineet Kumar, S.P. Singh, Vikrant Singh and Nihal Chandra Mahajan | en_US |
dc.date.accessioned | 2019-12-04T08:47:44Z | - |
dc.date.available | 2019-12-04T08:47:44Z | - |
dc.date.issued | 2017-01-01 | - |
dc.identifier.citation | Not Available | en_US |
dc.identifier.issn | Not Available | - |
dc.identifier.uri | http://krishi.icar.gov.in/jspui/handle/123456789/27216 | - |
dc.description | Not Available | en_US |
dc.description.abstract | The study aims to elucidate the impact of organic inputs on strength and structural stability of aggregates in a sandy loam soil of Indo-Gangetic Plain Zone of India. Tensile strength, friability and water stability of aggregates, and the carbon contents in bulk soil and in large macro (>2 mm), small macro (0.25-2 mm), micro (0.053-0.25 mm) and silt+ clay size (<0.053) The aggregate were evaluated in soils with different sources and amounts of organic C inputs as partial substitution of N fertilizer. Addition of organic substrates significantly improved soil organic C contents, but the type and source of input had different impacts. Tensile strength of aggregates decreased and friability increased through organic inputs, with a maximum effect under rice residue-farmyard manure and wheat residue substitution.The aggregate strength and density were lower with organic substitution (p < 0.05) while water retention by aggregates at field capacity was 2–4% higher with organic inputs. Macro-aggregates (>0.25 mm) constituted 58–92% of water stable aggregates and varied significantly among treatments and soil depths. Organic material incorporation improved soil aggregation and structural stability and resulted in higher C content in macro-aggregates. Higher macro-aggregates in the crop residue- and farmyard manure-treated soils resulted in a higher aggregate mean weight diameter, which also had higher soil organic C contents. The bulk soil organic C had a strong relation with the mean weight diameter of aggregates, but the soil organic c content in all aggregate fractions was not necessarily effective for aggregate stability. The soil organic C content in large macro-aggregates (2-8mm) had a significant positive effect on aggregate stability, although a reverse effect was observed for aggregates<0.25 mm. Partial substitution of nitrogen by organic substrates improved aggregate properties and the soil organic C content in bulk soil and aggregate fractions, although the relative effect varied with the source and amount of the organic inputs | en_US |
dc.description.sponsorship | Not Available | en_US |
dc.language.iso | English | en_US |
dc.publisher | Excellent Publiser | en_US |
dc.relation.ispartofseries | Not Available; | - |
dc.subject | Tensile strength, Aggregates, Soil organic C, Carbon dynamics, Mean weight diameter | en_US |
dc.title | Effect of Organic Inputs on Strength and Stability of Soil Aggregates Associated Organic Carbon Concentration under Rice-Wheat Rotation in Indo-Gangetic Plain Zone of India | en_US |
dc.title.alternative | Not Available | en_US |
dc.type | Research Paper | en_US |
dc.publication.projectcode | Not Available | en_US |
dc.publication.journalname | International Journal of Current Microbiology and Applied Sciences | en_US |
dc.publication.volumeno | 6(10) | en_US |
dc.publication.pagenumber | 1973-2008 | en_US |
dc.publication.divisionUnit | Not Available | en_US |
dc.publication.sourceUrl | Not Available | en_US |
dc.publication.authorAffiliation | Department of Agronomy, Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut-250110, U.P., India | en_US |
dc.publication.authorAffiliation | ICAR::Indian Institute of Farming Systems Research | en_US |
dc.ICARdataUseLicence | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf | en_US |
dc.publication.naasrating | Not Available | en_US |
Appears in Collections: | NRM-IIFSR-Publication |
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47-2017-18.pdf | 964.73 kB | Adobe PDF | View/Open |
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