Effect of Fertilizer Nitrogen (N) on Soil Organic Carbon, Total N and Soil Ph in Long-Term Continuous Winter Wheat (Triticum Aestivum L.)

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dc.contributor.authorAula, Lawrence
dc.contributor.authorMacnack, Natasha
dc.contributor.authorOmara, Peter
dc.contributor.authorMullock, Jeremiah
dc.contributor.authorRaun, William
dc.date.accessioned2022-12-12T17:31:03Z
dc.date.available2022-12-12T17:31:03Z
dc.date.issued2016
dc.description.abstractCarbon sequestration via sound agronomic practices can assist in combatting global warming. Three long-term experiments (Experiment 502, Experiment 222, and The Magruder Plots) were used to evaluate the effect of fertilizer nitrogen (N) application on soil organic carbon (SOC), total nitrogen (TN) and pH in continuous winter wheat. Soil samples (0-15 cm) were obtained after harvest in 2014, analyzed and compared to soil test results from these same experiments in 1993. Soil pH decreased with increasing N fertilization, and more so at high rates. Nitrogen application significantly increased TN in Experiment 502 from 1993 to 2014, and TN tended to be high at high N rates. Fertilizer N significantly increased SOC, especially when N rates exceeded 90 kg ha-1. The highest SOC (13.1 g kg-1) occurred when 134 kg N ha-1 was applied annually. Long-term N application at high rates increased TN and SOC in the surface soil.en_US
dc.identifier.citationLawrence Aula, Natasha Macnack, Peter Omara, Jeremiah Mullock & William Raun (2016): Effect of Fertilizer Nitrogen (N) on Soil Organic Carbon, Total N and Soil Ph in Long-Term Continuous Winter Wheat (Triticum Aestivum L.), Communications in Soil Science and Plant Analysis, DOI: 10.1080/00103624.2016.1147047en_US
dc.identifier.urihttp://dx.doi.org/10.1080/00103624.2016.1147047
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/6207
dc.language.isoenen_US
dc.publisherCommunications in Soil Science and Plant Analysisen_US
dc.subjectNitrogenen_US
dc.subjectSoil organic carbonen_US
dc.subjectTotal nitrogenen_US
dc.subjectSoil pHen_US
dc.titleEffect of Fertilizer Nitrogen (N) on Soil Organic Carbon, Total N and Soil Ph in Long-Term Continuous Winter Wheat (Triticum Aestivum L.)en_US
dc.typeArticleen_US
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