KRISHI
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Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/45164
Full metadata record
DC Field | Value | Language |
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dc.contributor.author | D MANDAL | en_US |
dc.contributor.author | KS DADHWAL | en_US |
dc.contributor.author | OPS KHOLA | en_US |
dc.contributor.author | BL DHYANI | en_US |
dc.date.accessioned | 2021-02-01T04:37:02Z | - |
dc.date.available | 2021-02-01T04:37:02Z | - |
dc.date.issued | 2012-01-01 | - |
dc.identifier.citation | Not Available | en_US |
dc.identifier.issn | Not Available | - |
dc.identifier.uri | http://krishi.icar.gov.in/jspui/handle/123456789/45164 | - |
dc.description | Not Available | en_US |
dc.description.abstract | TOLERANCE SOIL LOSS(T) IS DEFINED AS THE MAXIMUM RATE OF ANNUAL SOIL EROSION THAT ECONOMICALLY AND INDEFINITELY WILL CONTINUE TO SUSTAIN A HIGH LEVEL OF CROP PRODUCTIVITY . CURRENTLY A T VALUE IS ASSIGNED TO A SOIL BASED ON ITS CURRENT FUNCTIONAL STATE AND STRUCTURAL INTEGRITY . HOWEVER, IN INDIA A DEFAULT T VALUE OF 11.2 Mg ha-1 yr-1 (5.0 t ac-1 yr-1) IS BEING FOLLOWED. OUR OBJECTIVE IS TO PROVIDE ADJUSTED T VALUES OF INDIA'S NORTHWEST HIMALAYAN REGION BY INCORPORATING BULK DENSITY, WATER STABLE AGGREGATE MEASUREMENTS , INFILTRATION RATE , SOIL CARBON AND FERTILITY STATUS INTO ASSESSMENT. A QUANTITATIVE MODEL WAS USED TO SUM UP OVERALL SOIL PERFORMANCE TO DEFINE THE CURRENT STATE OF SOIL RESOURCE. SCALING FUNCTIONS WERE USED TO CONVERT SOIL PARAMETERS TO A 0 TO 1 SCALE. THE NORMALISED VALUES WERE THEN MULTIPLIED BY APROPRIATE WEIGHTING FACTORS BASED ON A RELATIVE IMPORTANCE AND SENSITIVITY ANALYSIS OF EACH INDICATOR. A CATEGORIAL RANKING OF SOIL 1,2, 3 WAS GIVEN TO SOIL GROUP BASED ON THE OVERALL ASSESSMENT. A GENERAL GUIDELINE DEVELOPED BY THE USDA . NATURAL RESOURCE CONSERVATION SERVICE WAS FOLLOWED TO CALCULATE SOIL LOSS TOLERANCE FOR EACH SOIL GROUP USING EFFECTIVE SOIL DEPTH. ADJUSTED T VALUES FOR THE AREA RANGED BETWEEN 5.0 AND 12.5 mg ha-1 yr-1 ( 2.2 AND 5.6 T AC-1YR-1) COMPARED TO 11.2 MG HA-YR-1 (5.0 T AC-1YR-1). USE OF THE ADJUSTED T VALUES WILL IMPROVE CONSERVATION PLANNING, HELP MEET EROSION CONTROL REGULATIONS FOR DEVELOPMENT OF SUSTAINABLE FARM OPERATIONS , AND IMPROVE WATERSHED MANAGEMENT IN THIS PORTION OF INDIA. | en_US |
dc.description.sponsorship | Not Available | en_US |
dc.language.iso | English | en_US |
dc.publisher | Not Available | en_US |
dc.relation.ispartofseries | Not Available; | - |
dc.subject | EROSION CONTROL REGULATION, EROSION TOLERANCE, QUANTITATIVE APPROACH, SOIL GROUPING, T- VALUE | en_US |
dc.title | ADJUSTED T VALUES FOR CONSERVATION PLANNING IN NORTHWEST HIMALAYAS 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 | Not Available | en_US |
dc.publication.volumeno | Not Available | en_US |
dc.publication.pagenumber | Not Available | en_US |
dc.publication.divisionUnit | Not Available | en_US |
dc.publication.sourceUrl | Not Available | en_US |
dc.publication.authorAffiliation | ICAR::Indian Institute of Soil and Water Conservation | en_US |
dc.ICARdataUseLicence | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf | en_US |
Appears in Collections: | NRM-IISWC-Publication |
Files in This Item:
File | Description | Size | Format | |
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Paper 6-1.pdf | 675.34 kB | Adobe PDF | View/Open |
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