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Evaluating soil nutrients and pH by depth in situations of limited or no tillage in western Oregon

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dc.creator Oregon State University. Extension Service
dc.creator Anderson, Nicole P.
dc.creator Hart, John M. (John Mervyn), 1947-
dc.creator Horneck, Donald Arthur
dc.creator Sullivan, Dan M. (Dan Matthew), 1954-
dc.creator Christensen, Neil Walter, 1944-
dc.creator Pirelli, G. J. (Gene J.)
dc.date.accessioned 2010-10-28T18:24:10Z
dc.date.available 2010-10-28T18:24:10Z
dc.date.issued 2010-10
dc.identifier.uri http://hdl.handle.net/1957/19024
dc.description Published October 2010. Reviewed November 2014. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog en
dc.description.abstract Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil sample is taken at a standard 8-inch depth, the top 1 to 2 inches, which have higher nutrient concentrations, will be mixed with the lower 6 to 7 inches, which have lower nutrient concentrations. Surface-applied nutrients that are not mixed will likely not be measured. In addition, continued application of ammonium-N and subsequent nitrification acidifies the surface soil. Therefore, soil collected from several depths should be used to evaluate surface and below-surface conditions. en_US
dc.language.iso en_US en_US
dc.publisher Corvallis, Or. : Extension Service, Oregon State University en_US
dc.relation.ispartofseries EM (Oregon State University. Extension Service) en_US
dc.relation.ispartofseries 9014 en_US
dc.relation.ispartofseries EM en_US
dc.relation.ispartofseries 9014 en_US
dc.subject soil nutrients en_US
dc.subject pH en_US
dc.subject no-till en_US
dc.subject soil sampling en_US
dc.subject.lcsh Soil acidity -- Oregon, Western -- Testing en_US
dc.subject.lcsh Soil fertility -- Oregon, Western -- Testing en_US
dc.title Evaluating soil nutrients and pH by depth in situations of limited or no tillage in western Oregon en_US
dc.type Technical Report en_US

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