Authors: VANAARDE RJ SMIT AM CLAASSENS AS

Citation: Rj. Vanaarde et al., SOIL CHARACTERISTICS OF REHABILITATING AND UNMINED COASTAL DUNES AT RICHARDS BAY, KWAZULU-NATAL, SOUTH-AFRICA, Restoration ecology, 6(1), 1998, pp. 102-110

Authors: STEYN CE VANDERWATT HVH CLAASSENS AS

Citation: Ce. Steyn et al., ON THE PERMISSIBLE NICKEL CONCENTRATION FOR SOUTH-AFRICAN SOILS, South African journal of science, 92(8), 1996, pp. 359-363

Authors: BUYS AJ VANVUUREN JAJ COETZEE JGK CLAASSENS AS BARNARD RO

Citation: Aj. Buys et al., ALASA - CULTURAL-LABORATORY-ASSOCIATION-OF-SOUTHERN-AFRICA - ENSURINGRELIABLE ANALYSES, Communications in soil science and plant analysis, 27(5-8), 1996, pp. 1571-1578

Authors: DEVILLIERS AJ VANROOYEN MW THERON GK CLAASSENS AS

Citation: Aj. Devilliers et al., THE EFFECT OF LEACHING AND IRRIGATION ON THE GROWTH OF ATRIPLEX SEMIBACCATA, Land degradation & rehabilitation, 6(2), 1995, pp. 125-131

Authors: DEVILLIERS AJ VANROOYEN MW THERON GK CLAASSENS AS

Citation: Aj. Devilliers et al., REMOVAL OF SODIUM AND CHLORIDE FROM A SALINE SOIL BY MESEMBRYANTHEMUM-BARKLYI, Journal of arid environments, 29(3), 1995, pp. 325-330

Authors: CLAASSENS AS

Citation: As. Claassens, INFLUENCE OF VARYING PHOSPHORUS SUPPLY ON THE GROWTH AND PHOSPHORUS COMPOSITION OF LETTUCE, Communications in soil science and plant analysis, 25(9-10), 1994, pp. 1209-1221