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09 February 2024 | Story EDZANI NEPHALELA | Photo SUPPLIED
Jerry Dlamini
Dr Jerry Dlamini, lecturer and researcher specialising in agronomy within the Department of Soil, Crop, and Climate Sciences at the University of the Free State (UFS), is at the forefront of pioneering research in this field.

Greenhouse gas emissions represent a significant global concern, driving climate change on a massive scale. This concern is particularly pronounced in rainfed agriculture, where understanding and addressing these emissions are crucial for ensuring sustainable agricultural practices. 

In South Africa, rainfed agriculture is vital in food production, contributing substantially to the nation's agricultural output. However, this sector also stands as a notable contributor to greenhouse gas emissions, primarily through activities such as livestock farming, fertiliser use, and changes in land use.

Dr Jerry Dlamini, a distinguished lecturer and researcher specialising in agronomy within the Department of Soil, Crop, and Climate Sciences at the University of the Free State (UFS), is leading pioneering research in this field. His current project, @CROPGas on X, funded by the European Joint Programme (EPJ), with a budget of R22 million, focuses on investigating the impact of various conservation agriculture interventions on greenhouse gas emissions, primarily targeting nitrous oxide (N2O), methane (CH4), and carbon dioxide (CO2).

This two-year project, which commenced in December 2022 and concludes in December 2024, is a collaborative effort between European and African universities and institutions, including Rothamsted Research (UK), University College Dublin (Ireland), University of Nottingham (UK), University of Poznan (Poland), British Geological Surveys (BGS), University of Zambia (Zambia), University of Zimbabwe, and Lilongwe University of Agriculture and Natural Resources (Malawi). 

Dr Dlamini’s preliminary findings from the UFS Kenilworth Experimental Farm indicate that climate-smart agriculture interventions, such as legume rotation and no-till practices, have the potential to reduce the intensity of greenhouse gas emissions, particularly highly radiative gases like N2O.

“This is a significant finding,” Dr Dlamini noted, “as N2O has a global warming potential 100 times greater than CO2 over a 100-year horizon, meaning its impact on ozone depletion persists far longer despite being emitted in smaller quantities.”

Looking ahead, Dr Dlamini advocates for increased research efforts to quantify greenhouse gas emissions from South African croplands. He emphasises the importance of field-based measurements, akin to methodologies employed by other nations, to enhance the accuracy and effectiveness of South Africa's greenhouse gas inventories submitted annually to the United Nations Framework Convention on Climate Change (UNFCCC) and to devise effective mitigation strategies. 

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Number of NRF-rated researchers increases in 2012
2012-10-29

29 October 2012

Three researchers at the University of the Free State received B-ratings for 2013 from the National Research Foundation (NRF). Prof. Johan Henning, Dean of Law, obtained the highest rating in his field of mercantile law in South Africa, a B1.

Prof. Jackie Naudé from Classical and Near Eastern Studies and Prof. Dingie Janse van Rensburg, Professor Extraordinary at the Centre for Health Systems Research and Development, also obtained B3-ratings. Prof. Naudé is the first B-rated researcher in the Faculty of Humanities.
Prof. Helene Strauss obtained the highest rating (Y1) for a UFS young scholar in the Humanities.
In total, the NRF rated researchers at the UFS grew from 95 in 2011 to 109 in 2012, a growth of almost 15 percent.
The NRF ratings committee consist of three reviewers from South Africa and three from abroad. A rating is valid for six years and researchers must reapply for rating before the end of that period.
For a B1-rating all reviewers must be firmly convinced that the applicant enjoys considerable international recognition for the high quality of the researcher’s recent output, with some indicating that the researcher is a leading international scholar in a field. For a B3-rating most of the reviewers must be convinced that the researcher enjoys international recognition for the high quality and impact of the research.
Prof. Jonathan Jansen, Vice-Chancellor and Rector, said in the UFS Research Report “The UFS now has among the highest number of NRF-rated scientists per size of the academic faculty and we have seen the productivity graph bear witness to a record growth in our funded research outputs; we have won our first-ever NRF/DST Research Chairs. In each of these achievements, the excellence we seek comes with and through the diversity we celebrate.”
More ratings and renewals were expected by the time of Bult went to print.. More than 35 researchers applied for ratings or renewal of ratings.
  • Colleagues who were admitted to the prestigious Academy of Science of South Africa (ASSAf) are Profs. Pumla Gobodo-Madikizela, Driekie Hay, Heidi Hudson, Lodewyk Kock, Odireleng Ntwaeaborwa, Hugh Patterton, Ian Phimister and Melanie Walker. ASSAf was established in 1996 with the mission of using science for the benefit of society. New members are elected after nomination by four existing members (at least two of whom do so from personal knowledge of the candidate). ASSAf has some 350 members and represents South Africa in the international community of science academies.
  • Dr Marieka Gryzenhout of Plant Sciences became a member of South African Young Academy of Science (SAYAS). SAYAS celebrated its first year in 2012. It was launched as a means to enable South Africa’s young scientists to fully participate in locally and internationally relevant research and development agendas. Prof. Aldo Stroebel, Director: Internationalisation, is also a member of SAYAS.

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