Citation: Af. Navarro et al., RELATIONSHIP BETWEEN TOTAL ORGANIC-CARBON AND OXIDIZABLE CARBON IN CALCAREOUS SOILS, Communications in soil science and plant analysis, 24(17-18), 1993, pp. 2203-2212
Citation: D. Garcia et al., COMPARATIVE-EVALUATION OF METHODS EMPLOYING ALKALI AND SODIUM PYROPHOSPHATE TO EXTRACT HUMIC SUBSTANCES FROM PEAT, Communications in soil science and plant analysis, 24(13-14), 1993, pp. 1481-1494