Browsing Research Articles (Plant Production and Soil Science) by UP Author "Breetzke, Gregory Dennis"

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The allelopathic, adhesive, hydrophobic and toxic latex of Euphorbia species is the cause of fairy circles investigated at several locations in Namibia

Meyer, Jacobus Johannes Marion; Schutte, Christiaan E.; Hurter, Jan W.; Galt, Nicole S.; Degashu, Petunia; Breetzke, Gregory Dennis; Baranenko, Denis; Meyer, Nicole L. (BioMed Central, 2020-08)

BACKGROUND: In this multidisciplinary study we present soil chemical, phytochemical and GIS spatial patterning evidence that fairy circles studied in three separate locations of Namibia may be caused by Euphorbia ...
COVID-19 and the academe in South Africa : not business as usual

Hedding, David W.; Greve, Michelle; Breetzke, Gregory Dennis; Nel, Werner; Jansen van Vuuren, Bettine (Academy of Science of South Africa, 2020-07)

The novel coronavirus SARS-CoV-2 has impacted every economic and social sector1 across the globe, including higher education in South Africa. Every student and staff member at a higher education institution will have ...

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