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We compare the effects of lime amendment rate on the spatial variability of three macronutrient forms (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:msup><mml:mrow><mml:msub><mml:mrow><mml:mtext>NH<\/mml:mtext><\/mml:mrow><mml:mrow><mml:mtext>4<\/mml:mtext><\/mml:mrow><\/mml:msub><\/mml:mrow><mml:mrow><mml:mtext>+<\/mml:mtext><\/mml:mrow><\/mml:msup><\/mml:mrow><\/mml:math>-N, Olsen P, and Mehlich-1 K) in a paddy soil at three different dates during the growth period of a rice crop. The field work was carried out near Corrientes, Argentina. Lime treatments were 0, 625, and 1250\u2009kg\u2009ha<jats:sup>\u22121<\/jats:sup>dolomite, and each liming dose was applied to a 1.7\u2009ha field. Ninety-three soil samples per treatment were first collected in aerobic conditions and then two more times after flooding, at bunch formation and flowering. Soil<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mrow><mml:msup><mml:mrow><mml:msub><mml:mrow><mml:mtext>NH<\/mml:mtext><\/mml:mrow><mml:mrow><mml:mtext>4<\/mml:mtext><\/mml:mrow><\/mml:msub><\/mml:mrow><mml:mrow><mml:mtext>+<\/mml:mtext><\/mml:mrow><\/mml:msup><\/mml:mrow><\/mml:math>-N increased along time, whereas P was highest at bunch formation and K steadily decreased along the rice growth period. Dolomite addition increased macronutrient availability at the first and second samplings, but its effects at the third sampling depended on the element. The three soil nutrients analyzed displayed strong patterns of spatial dependence for the three lime treatments and at the three periods studied. The areas with relative high or low macronutrient concentrations within each field were not stable throughout the rice growth period. Seasonality in the spatial distribution of macronutrients may be of agronomic value for site specific management.<\/jats:p>","DOI":"10.1155\/2014\/135906","type":"journal-article","created":{"date-parts":[[2014,12,31]],"date-time":"2014-12-31T16:02:28Z","timestamp":1420041748000},"page":"1-12","source":"Crossref","is-referenced-by-count":8,"title":["Spatial Distribution and Temporal Variability of Ammonium-Nitrogen, Phosphorus, and Potassium in a Rice Field in Corrientes, Argentina"],"prefix":"10.1155","volume":"2014","author":[{"given":"Luis Alberto","family":"Morales","sequence":"first","affiliation":[{"name":"Faculty of Agricultural Sciences, National University of the Northeast, Sargento Cabral 2131, 3400 Corrientes, Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eva","family":"Vidal V\u00e1zquez","sequence":"additional","affiliation":[{"name":"Faculty of Sciences, University of A Coru\u00f1a, Zapateira Campus, 15008 A Coru\u00f1a, 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