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NITROUS OXIDE AND METHANE FLUXES IN SOUTH BRAZILIAN GLEYSOL AS AFFECTED BY NITROGEN FERTILIZERS

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Table 1. Soil attributes in a Gleysol at the beginning of the experiment
Table 2. Percentage of N in the fertilizers and total N quantity applicated of each chemical species
Figure 2. Ammoniun contents (NH 4 + -N; a, b), nitrate contents (NO 3 - -N; c, d) and soil pH values (e, f) for the 15 day period after application of the N fertilizers to a Gleysol (0 to 0.10 m) in the South of Brazil.

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