volume 63, issue 5, P483-492 2006
DOI: 10.1590/s0103-90162006000500011
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Abstract: ABSTRACT: Excessive nitrate leaching represents a potential groundwater contamination. This study was carried out in an experiment area located in the city of Piracicaba/SP-Brazil, on a sandy-clayey loam soil. The objective was to evaluate internal drainage and nitrate leaching at the depth of 0.80 m in a crop succession, using nitrate, for treatments with 60 kg ha -1 and 30 kg N ha -1 applied at seeding, respectively, of which only 3 and 1 kg ha -1 were from the nitrogen fertilizer.

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