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http://krishi.icar.gov.in/jspui/handle/123456789/43623| Title: | Soil quality and carbon sequestration under conservation agriculture with balanced nutrition in intensive cereal based system. |
| Other Titles: | Not Available |
| Authors: | Parihar CM Singh AK Jat SL Dey A Nayak HS Mandal BN Saharawat YS Jat ML Yadav OP |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Indian Institute of Maize Research ICAR::Indian Agricultural Research Institute ICAR::Indian Agricultural Statistics Research Institute ICAR::Central Arid Zone Research Institute |
| Published/ Complete Date: | 2020-05-18 |
| Project Code: | Not Available |
| Keywords: | Carbon sequestration Nutrient management Soil quality index Zero tillage Site specific nutrient management |
| Publisher: | Elsevier |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Conventional tillage practices and imbalanced use of inorganic fertilizers is well known to result in poor soilhealth.Alternativetillageandprecisionnutrientmanagementareimportantstrategiesfortacklingtheissuesofsoilhealthdeterioration,particularlyincereal - basedintensivecroppingsystems.Therefore,weconducteda4 - yearstudywiththeobjectiveof(a)monitoringthechangesinsoilphysical,biologicalandchemicalpropertiesand crop productivity, (b) development of soil quality index - SQI, and monitor its’ changes against systemproductivityasmanagementgoal,and(c)studyingthechangesinsoilorganiccarbon - SOCinrelationtoannualCinput.Theexperimentwaslaidoutinasplit - plotdesignwith3 - tillagepractices[zerotillage - ZT;permanentbeds - PB; and conventional tillage - CT] and 4 - nutrient management strategies [Control (unfertilized), farmers’fertilizer practice - FFP, recommended fertilizers doses - Ad - hocand site specific nutrient management - SSNM]under a continuous maize (Zea maysL.) - wheat (Triticum aestivumL.) - mungbean (Vigna radiataL. Wilczek)rotationinasandyloamsoil(TypicHaplustept)ofnorth - westernIndo - Gangeticplains(NW - IGP)ofIndia.The (ZT/PBwithSSNM/Ad - hocnutrientmanagementresultedinhighervaluesofa) physicalparametersviz.,waterstable aggregates>250 μm, saturated hydraulic conductivity (Ksat) and mean weight diameter - MWD, (b che - micalparametersviz.,SOC,availableN,P,andK,andc)biologicalparametersviz.,microbialbiomasscarbonandenzymeactivities(fluoresceindiacetatehydrolase,dehydrogenase,ß - glucosidaseandalkalinephosphatase)comparedwithCTandunfertilizedtreatments.TheCApracticesrecordedanincreaseinWSA(12–21%),MWD(14–29%),andKsat(11–14%)comparedwithCTatthe0 - 0.15mand0.15–0.30msoildepths,respectively.ThePB - SSNMregistered(44.1%)higherSOCcontentascomparedtoCT - unfertilizedplots.ValuesforMBC,FDAandβGAdeclinedintheorderSSNM=Ad - hoc>FFP>Control.While,theDHAdeclinedintheorderSSNM>Ad - hoc=FFP>Control.PrincipalcomponentanalysisincludedMWD,SOCandavailableKintheminimumdataset(MDS) as the soil quality indicators. Adoption of PB/ZT resulted ∼22.5% higher SQI compared with CT. TheSSNM plots improved SQI by ∼19.3% and ∼5.3% over unfertilized and FFP. The SSNM based CA practicesattainedasignificantlyhigherannualCsequestrationratethanothertreatments.Therefore,adoptionofCAwithSSNMandAd - hocnutrientmanagementinintensivecerealbasedsystemsofNW - IGPisessentialforimprovingnutrientcycling,soilquality,cropproductivityandC - sequestrationpotential. |
| Description: | Not Available |
| ISSN: | 0167-1987 |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Soil and Tillage Research |
| NAAS Rating: | 10.6 |
| Volume No.: | 202 |
| Page Number: | 104653 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | https://doi.org/10.1016/j.still.2020.104653 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/43623 |
| Appears in Collections: | CS-IIMR-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 1-s2.0-S0167198720304359-main.pdf | 4.53 MB | Adobe PDF | View/Open |
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