Tillage and Nitrogen Management Effects on Nitrate-Nitrogen in the Soil Profile

dc.contributor.author Varshney, Peeyush
dc.contributor.author Kanwar, Rameshwar
dc.contributor.author Kanwar, Rameshwar
dc.contributor.author Baker, James
dc.contributor.author Anderson, Carl
dc.contributor.department Agricultural and Biosystems Engineering
dc.date 2018-02-17T06:12:57.000
dc.date.accessioned 2020-06-29T22:41:57Z
dc.date.available 2020-06-29T22:41:57Z
dc.date.copyright Fri Jan 01 00:00:00 UTC 1993
dc.date.issued 1993
dc.description.abstract <p>A field study was conducted on Nicollet loam soils to determine the effects of tillage and nitrogen (N) management on the residual nitrate-nitrogen (NO3-N) in the soil profile. Two replications of two tillage systems (no-till and moldboard plow) and two N management practices (single application of N at the rate of 175 kg/ha and three applications totaling 125 kg/ha) were used for continuous-corn production. Soil samples were taken periodically each year to a depth of 150 cm at three locations within each of the six experimental plots (9 m apart, one along and two on either side of a tile drain running down the center of the plot). No-till and three N applications with a lower total application rate reduced the residual NO3-N in the soil profile. Regression analysis of the data showed less residual NO3-N under no-till system having a definite decreasing trend with depth. Eight years (1984-1991) of data indicate that corn yields were not affected by tillage or N management practices.</p>
dc.description.comments <p>This article was published in Transactions of the ASAE. 36(3): 783-789. doi:<a href="http://dx.doi.org/10.13031/2013.28398" target="_blank">10.13031/2013.28398</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_pubs/699/
dc.identifier.articleid 1977
dc.identifier.contextkey 7850210
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_pubs/699
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/1492
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/699/1993_Varshney_TillageNitrogen.pdf|||Sat Jan 15 01:31:33 UTC 2022
dc.source.uri 10.13031/2013.28398
dc.subject.disciplines Agriculture
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.disciplines Soil Science
dc.subject.keywords Tillage
dc.subject.keywords Nitrogen
dc.subject.keywords Fertilizer
dc.subject.keywords Nutrients
dc.subject.keywords Management
dc.subject.keywords Corn
dc.subject.keywords Soil samples
dc.title Tillage and Nitrogen Management Effects on Nitrate-Nitrogen in the Soil Profile
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 5210e67e-b8da-4e17-be3f-843a09381196
relation.isOrgUnitOfPublication 8eb24241-0d92-4baf-ae75-08f716d30801
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