Qualifications:
2013-2018: PhD (Soil Science – Chemistry) UFS
2010-2012: MSc Agric. (Soil Science – Fertility and Plant Nutrition) UFS
2009-2010: BSc Agric. Hons (Soil Science) UFS
2001-2005: BSc Agric. NUL
Professional bodies:
Soil Science Society of South Africa (SSSSA)
Journal Articles:
Loke PF, Kotzé E, Du Preez CC. 2024. Soil fertility status under mixed pastures in irrigated Tsitsikamma dairy farms: Case studies. Discover Agriculture 2:66. https://doi.org/10.1007/s44279-024-00081-8
Loke PF, Kotzé E, Du Preez CC. 2022. Soil Organic Matter Storage in Irrigated Tsitsikamma Dairy Farms with Minimum Tilled Pasture Mixtures: Case Studies. Agriculture 12(6):858 https://doi.org/10.3390/agriculture12060858
Tlomatsana LS, Loke PF, Kotzé E, Aghoghovwia LMP. 2022. Aggregate dynamics and intra-aggregate carbon contents as influenced by long-term wheat production management in semi-arid South Africa. South African Journal of Plant and Soil. 39(2): 94–101 https://doi.org/10.1080/02571862.2021.2009049
Loke PF, Heine HG, Rhode OHJ, Kotzé E, Du Preez CC. 2022. Tillage and its temporal effects on soil organic matter and microbial characteristics in the semi-arid central South Africa. Soil Research, 60(3) 294–309 https://doi.org/10.1071/SR21141
Loke PF, Schimper JJ, Kotzé E, Du Preez CC Long-term wheat production management effects on soil fertility indicators in the semi-arid eastern Free State, South Africa. South African Journal of Plant and Soil. 38(2): 93-106 https://doi.org/10.1080/02571862.2020.1858512
Loke PF, Kotzé E, Du Preez CC, Linette Twigge. 2021. Cross-rangeland comparisons on soil carbon dynamics in the pedoderm of semi-arid and arid South African commercial farms Geoderma 381: 114689 https://doi.org/10.1016/j.geoderma.2020.114689
Motema T, Kotzé E, Loke PF, Du Preez CC. 2021. Response of soil organic matter indices and fractions after 37 years of wheat production management practices in semi-arid South Africa. South African Journal of Plant and Soil. 37(2):136–143 https://doi.org/10.1080/02571862.2019.1698777
Loke PF, Kotzé E, Du Preez CC, Linette Twigge. 2019. Dynamics of Soil Carbon Concentrations and Quality Induced by Agricultural Land Use in Central South Africa. Soil Science Society of American Journal. 83:366–379 https://doi:10.2136/sssaj2018.11.0423
Loke PF, Kotzé E, Du Preez CC, Linette Twigge. 2018. Long-term effects of wheat production management practices on some carbon fractions of a semiarid Plinthustalfs Soil Research, 56:601–614 https://doi.org/10.1071/SR18050
Kotzé E, Loke PF, Akhosi-Setaka MC, Du Preez CC. Land use change affecting soil humic substances in three semi-arid agro-ecosystems in South Africa. Agriculture, Ecosystems & Environment 216:194-202 https://doi.org/10.1016/j.agee.2015.10.007
Loke PF, Kotzé E, Du Preez CC. 2014. Long-Term Effects of Wheat Production Management Practices on Exchangeable Base Cations and Cation Exchange Capacity of a Plinthosol in Semi-arid South Africa. Communications in Soil Science and Plant Analysis 45:1083–1105. https://doi: 10.1080/00103624.2013.867060
Loke PF, Kotzé E, Du Preez CC. 2013. Impact of long-term wheat production management practices on soil acidity, phosphorus and some micronutrients in a semi-arid Plinthosol. Soil Research 51:415–426 http://dx.doi.org/10.1071/SR12359
Loke PF, Kotzé E, Du Preez CC. 2013. Changes in soil organic matter indices following 32 years of different wheat production management practices in semi-arid South Africa. Nutrient Cycling in Agroecosystems 94:97-109 https://doi 10.1007/s10705-012-9529
SOIL 4814 - Soil Chemical Principles and Applications
SOIL 2674 - Soil Fertility and Fertilization
SCCS 3724 - Research Methodologies in Soil, Crop and Climate Sciences