Nitrogen mineralisation in vineyard soils of the Western Cape as affected by soil management practices

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dc.contributor.authorRaath, P. J.en_ZA
dc.contributor.authorSaayman, D.en_ZA
dc.date.accessioned2017-06-09T08:52:52Z
dc.date.available2017-06-09T08:52:52Z
dc.date.issued1995
dc.descriptionCITATION: Raath, P. J. & Saayman, D. 1995. Nitrogen mineralisation in vineyard soils of the Western Cape as affected by soil management practices. South African Journal of Enology & Viticulture, 16(1):7-13, doi:10.21548/16-1-2263.en_ZA
dc.descriptionThe original publication is available at http://www.journals.ac.za/index.php/sajeven_ZA
dc.description.abstractSoil management practices like ridging, liming and irrigation are expected to affect the ability of microorganisms to mineralise plant residues in the soil through their effects on water regime, temperature, pH, organic C and total N contents. Investigations into seasonal changes in the mineral N contents of typical vineyard soils, as affected by these practices, were initiated during 1991 in existing vineyard trials. Soil water, soil temperature and mineral N were measured at regular intervals over two growing seasons. Ridged soil showed higher N release than non-ridged soil during winter, resulting in higher mineral N content at budburst. The effect of liming on microbial activity probably abated after 5 years because no difference in mineral N contents were obtained between soils of different pH. Irrigation showed no effect on N release, probably because of treatment design. Decreases in mineral N content during the growing season in soils from all the trials could not always be attributed to uptake by grapevines or to decreases in potentially mineralisable N contents and microbial activity.en_ZA
dc.description.urihttp://www.journals.ac.za/index.php/sajev/article/view/2263
dc.description.versionPublisher's versionen_ZA
dc.format.extent7 pages : illustrationsen_ZA
dc.identifier.citationRaath, P. J. & Saayman, D. 1995. Nitrogen mineralisation in vineyard soils of the Western Cape as affected by soil management practices. South African Journal of Enology & Viticulture, 16(1):7-13, doi:10.21548/16-1-2263en_ZA
dc.identifier.issn2224-7904 (online)
dc.identifier.issn0253-939X (print)
dc.identifier.otherdoi:10.21548/16-1-2263
dc.identifier.urihttp://hdl.handle.net/10019.1/101735
dc.language.isoen_ZAen_ZA
dc.publisherSouth African Society for Enology and Viticultureen_ZA
dc.rights.holderSouth African Society for Enology and Viticultureen_ZA
dc.subjectRidgingen_ZA
dc.subjectNitrogen fertilisation of vineyardsen_ZA
dc.subjectSoil management -- Western Cape vineyardsen_ZA
dc.subjectVineyard soils -- Western Capeen_ZA
dc.titleNitrogen mineralisation in vineyard soils of the Western Cape as affected by soil management practicesen_ZA
dc.typeArticleen_ZA
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