Table 1.
Chemical and physical soil analysis before the application of organic and mineral fertilization treatments.
| pH Water | P | K | Ca | Mg | Al | T | m | V | CO | Sand | Silt | Clay |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1:2.5 | -mg dm−3- | ----cmolc dm−3---- | --%-- | ------------g kg−1----------- | ||||||||
| 6.0 | 0.4 | 15.9 | 2.5 | 0.4 | 0.02 | 7.1 | 1 | 41 | 1.0 | 460 | 230 | 310 |
pH water: Soil–water ratio 1:2.5. P and K: Mehlich 1 extractor. Ca, Mg, and Al: KCl extractor 1 mol L-1. T: Cation exchange capacity at pH 7.0. m: Aluminum saturation. V: Base saturation. CO: Organic carbon using the Walkey–Black method. Sand, silt, and clay: Pipette method.