I. J. Cronje

Amelioration of subsoil acidity by application of a coal-derived calcium fulvate to the soil surface

H. v. H. van der Watt, Rita Barnard, I. J. Cronje et al. · Nature · 1991 · 48 citations

Coal-derived Calcium Fulvate, Chemical Engineering, Environmental Chemistry +11

Stimulation of seedling root growth by coal-derived sodium humate

H. A. van de Venter, Mari Furter, Jack Dekker et al. · Plant and Soil · 1991 · 26 citations

Botany, Root Growth, Agricultural Economics +2

Non-catalytic oxidation of water-slurried coal with oxygen: identification of fulvic acids and acute toxicity

Jacobus J. Bergh, I. J. Cronje, Johannes Dekker et al. · Fuel · 1997 · 22 citations

Fulvic Acids, Chemical Engineering, Environmental Chemistry +8

Application of Fe and Zn to lime-rich soils in the form of formulated coal products

Rita Barnard, H. v. H. van der Watt, Johannes Dekker et al. · The Science of The Total Environment · 1992 · 10 citations

Chemical Engineering, Engineering, Environmental Engineering +5