Enhancing maize yield in a conservation agriculture-based maize (Zea mays)- wheat (Triticum aestivum) system through efficient nitrogen management

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cg.contributor.affiliationIndian Institute of Farming Systems Researchen
cg.contributor.affiliationIndian Agricultural Research Instituteen
cg.contributor.affiliationCornell Universityen
cg.contributor.affiliationIndian Agricultural Statistics Research Instituteen
cg.contributor.affiliationInternational Water Management Instituteen
cg.contributor.affiliationIndian Institute of Maize Researchen
cg.contributor.affiliationInternational Maize and Wheat Improvement Centeren
cg.contributor.affiliationInternational Fertilizer Development Centeren
cg.contributor.affiliationIndian Council of Agricultural Researchen
cg.contributor.donorCGIAR Trust Funden
cg.contributor.initiativeTransforming Agrifood Systems in South Asia
cg.coverage.countryIndia
cg.coverage.iso3166-alpha2IN
cg.coverage.regionSouthern Asia
cg.creator.identifierC.M. PARIHAR: 0000-0003-3855-2655
cg.creator.identifierHari Sankar Nayak: 0000-0003-2585-1576
cg.creator.identifierD R SENA: 0000-0003-4683-4687
cg.creator.identifierS. L. Jat: 0000-0002-3816-2318
cg.creator.identifierMahesh K Gathala;: 0000-0001-8282-2953
cg.creator.identifierUpendra Singh: 0000-0001-8653-0333
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.56093/ijas.v93i4.133484en
cg.isijournalISI Journalen
cg.issn0019-5022en
cg.issn2394-3319en
cg.issue4en
cg.journalIndian Journal of Agricultural Sciencesen
cg.placeIndiaen
cg.reviewStatusPeer Reviewen
cg.subject.actionAreaResilient Agrifood Systems
cg.subject.impactAreaNutrition, health and food security
cg.volume93en
dc.contributor.authorKumar, Kamleshen
dc.contributor.authorParihar, Chiter Malen
dc.contributor.authorNayak, Hiranmay S.en
dc.contributor.authorGodara, Samarthen
dc.contributor.authorAvinash, G.en
dc.contributor.authorPatra, Kiranmoyen
dc.contributor.authorSena, Dipaka Ranjanen
dc.contributor.authorReddy, Kedharnath Srikanthen
dc.contributor.authorDas, T.K.en
dc.contributor.authorJat, S.L.en
dc.contributor.authorGathala, Mahesh Kumaren
dc.contributor.authorSingh, Upendraen
dc.contributor.authorSharawat, Y.S.en
dc.date.accessioned2023-12-04T19:48:49Zen
dc.date.available2023-12-04T19:48:49Zen
dc.identifier.urihttps://hdl.handle.net/10568/134966
dc.titleEnhancing maize yield in a conservation agriculture-based maize (Zea mays)- wheat (Triticum aestivum) system through efficient nitrogen managementen
dcterms.abstractThis study evaluated the impact of contrasting tillage and nitrogen management options on the growth, yield attributes, and yield of maize (Zea mays L.) in a conservation agriculture (CA)-based maize-wheat (Triticum aestivum L.) system. The field experiment was conducted during the rainy (kharif) seasons of 2020 and 2021 at the research farm of ICAR-Indian Agricultural Research Institute (IARI), New Delhi. The experiment was conducted in a split plot design with three tillage practices [conventional tillage with residue (CT), zero tillage with residue (ZT) and permanent beds with residue (PB)] as main plot treatments and in sub-plots five nitrogen management options [Control (without N fertilization), recommended dose of N @150 kg N/ha, Green Seeker-GS based application of split applied N, N applied as basal through urea super granules-USG + GS based application and 100% basal application of slow release fertilizer (SRF) @150 kg N/ha] with three replications. Results showed that both tillage and nitrogen management options had a significant impact on maize growth, yield attributes, and yield in both seasons. However, time to anthesis and physiological maturity were not significantly affected. Yield attributes were highest in the permanent beds and zero tillage plots, with similar numbers of grains per cob (486.1 and 468.6). The highest leaf area index (LAI) at 60 DAP was observed in PB (5.79), followed by ZT(5.68) and the lowest was recorded in CT (5.25) plots. The highest grain yield (2-year mean basis) was recorded with permanent beds plots (5516 kg/ha), while the lowest was observed with conventional tillage (4931 kg/ha). Therefore, the study highlights the importance of CA practices for improving maize growth and yield, and suggests that farmers can achieve better results through the adoption of CA-based permanent beds and use of USG as nitrogen management option.en
dcterms.accessRightsOpen Access
dcterms.available2023-03
dcterms.bibliographicCitationKUMAR, K., PARIHAR, C. M., NAYAK, H. S., GODARA, S., AVINASH, G., PATRA, K., SENA, D. R., REDDY, K. S., DAS, T. K., JAT, S. L., GHATALA, M. K., SINGH, U., & SHARAWAT, Y. S. (2023). Enhancing maize yield in a conservation agriculture-based maize (Zea mays)- wheat (Triticum aestivum) system through efficient nitrogen management. The Indian Journal of Agricultural Sciences, 93(4). https://doi.org/10.56093/ijas.v93i4.133484en
dcterms.issued2023
dcterms.languageen
dcterms.licenseCC-BY-NC-SA-4.0
dcterms.publisherIndian Council of Agricultural Researchen
dcterms.subjectmaizeen
dcterms.subjectureaen
dcterms.subjectyieldsen
dcterms.subjectzero tillageen
dcterms.subjectnitrogenen
dcterms.typeJournal Article

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