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NITRATE ROLE IN BASIC CATION LEACHING UNDER NO-TILL

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Figure 1. Maize grain yield (a), pearl millet dry matter (b) and upland rice grain yield (c) as affected by increasing N fertilization in different lime rates: 0 (∆ ∆∆∆ ∆); 1500 ( ); 3000 ( o ) and
Table 1. ANOVA significance of maize grain yield, pearl millet dry matter and upland rice grain yield results as affected by nitrogen fertilization and liming at Botucatu, São Paulo, Brazil
Figure 4. Ammonium (N-NH 4 + ) levels in the soil profile as affected by nitrogen fertilization ( ): 0; ( ): 50; ( ∆ ∆ ∆ ∆ ∆ ):
Figure 5. Potassium levels in the soil profile as affected by nitrogen fertilization ( ): 0; ( ): 50; (∆ ∆ ∆ ∆ ∆): 100 and ( ): 150 kg ha -1  of N, 18 months after liming ((a): 0; (b): 1500; (c): 3000 and (d): 6000 kg ha -1  of lime)
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