Production of char from vacuum pyrolysis of South-African sugar cane bagasse and its characterization as activated carbon and biochar M Carrier, AG Hardie, Ü Uras, J Görgens, JH Knoetze Journal of Analytical and Applied Pyrolysis 96, 24-32, 2012 | 286 | 2012 |
Effect of pine wood biochar on ammonium nitrate leaching and availability in a S outh A frican sandy soil MP Sika, AG Hardie European journal of soil science 65 (1), 113-119, 2014 | 169 | 2014 |
Physico-chemical characterization of biochars from vacuum pyrolysis of South African agricultural wastes for application as soil amendments Ü Uras, M Carrier, AG Hardie, JH Knoetze Journal of Analytical and Applied Pyrolysis 98, 207-213, 2012 | 129 | 2012 |
The role of glucose in abiotic humification pathways as catalyzed by birnessite AG Hardie, JJ Dynes, LM Kozak, PM Huang Journal of Molecular Catalysis A: Chemical 308 (1-2), 114-126, 2009 | 78 | 2009 |
Formation mechanisms of humic substances in the environment PM Huang, AG Hardie Biophysico-chemical processes involving natural nonliving organic matter in …, 2009 | 59 | 2009 |
Characterisation, adsorption and desorption of ammonium and nitrate of biochar derived from different feedstocks MP Aghoghovwia, AG Hardie, AB Rozanov Environmental Technology 43 (5), 774-787, 2022 | 48 | 2022 |
Comparison of Pb stabilization in a contaminated calcareous soil by application of vermicompost and sheep manure and their biochars produced at two temperatures HR Boostani, M Najafi-Ghiri, AG Hardie, D Khalili Applied Geochemistry 102, 121-128, 2019 | 38 | 2019 |
Influence of Polyphenols on the Integrated Polyphenol-Maillard Reaction Humification Pathway as Catalyzed by Birnessite--REMOVED FROM VIEW AT THE DISCRETION OF NORTHEASTERN … AG Hardie, JJ Dynes, LM Kozak, PM Huang Annals of Environmental Science 1 (1), 11, 2007 | 38 | 2007 |
Investigation of cadmium immobilization in a contaminated calcareous soil as influenced by biochars and natural zeolite application HR Boostani, AG Hardie, M Najafi-Ghiri, D Khalili International Journal of Environmental Science and Technology 15, 2433-2446, 2018 | 36 | 2018 |
The effect of soil moisture regime and biochar application on lead (Pb) stabilization in a contaminated soil HR Boostani, AG Hardie, M Najafi-Ghiri, D Khalili Ecotoxicology and Environmental Safety 208, 111626, 2021 | 32 | 2021 |
Extent of soil acidity in no-tillage systems in the Western Cape Province of South Africa A Liebenberg, JR van der Nest, AG Hardie, J Labuschagne, ... Land 9 (10), 361, 2020 | 21 | 2020 |
Single and competitive adsorption isotherms of some heavy metals onto a light textured calcareous soil amended with agricultural wastes-biochars HR Boostani, M Najafi-Ghiri, AG Hardie Archives of Agronomy and Soil Science 65 (3), 360-373, 2019 | 21 | 2019 |
Better together: Water treatment residual and poor‐quality compost improves sandy soil fertility CE Clarke, W Stone, AG Hardie, JN Quinton, LI Blake, KL Johnson Journal of Environmental Quality 48 (6), 1781-1788, 2019 | 20 | 2019 |
Investigation of biochars application on potassium forms and dynamics in a calcareous soil under different moisture conditions M Najafi-Ghiri, HR Boostani, AG Hardie Archives of Agronomy and Soil Science 68 (3), 325-339, 2022 | 16 | 2022 |
Impact of powdered and liquid laundry detergent greywater on soil degradation AG Hardie, N Madubela, CE Clarke, EL Lategan Journal of Hydrology 595, 126059, 2021 | 15 | 2021 |
Chemical fractions and bioavailability of nickel in a Ni-treated calcareous soil amended with plant residue biochars HR Boostani, AG Hardie, M Najafi-Ghiri Archives of Agronomy and Soil Science, 2020 | 15 | 2020 |
Effects of long-term grazed crop and pasture systems under no-till on organic matter fractions and selected quality parameters of soil in the Overberg, South Africa JDV Smith, JA Strauss, AG Hardie South African Journal of Plant and Soil 37 (1), 1-10, 2020 | 15 | 2020 |
Biomolecule-induced carbonate genesis in abiotic formation of humic substances in nature AG Hardie, JJ Dynes, LM Kozak, PM Huang Canadian Journal of Soil Science 89 (4), 445-453, 2009 | 15 | 2009 |
Relationships between commonly-used South African and international soil phosphorus extraction tests on pristine and cultivated soils VG White, AG Hardie, PJ Raath South African Journal of Plant and Soil 37 (4), 265-272, 2020 | 13 | 2020 |
Role of soil quality in declining rooibos (Aspalathus linearis) tea yields in the Clanwilliam area, South Africa JFN Smith, A Botha, AG Hardie Soil Research 56 (3), 252-263, 2017 | 13 | 2017 |