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Pioneering greenhouse gas research in South African rainfed agriculture

09 February 2024 | Story EDZANI NEPHALELA | Photo SUPPLIED

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.

News Archive

State-of-the-art audio-visual studio up and running at UFS

2015-11-25

The state-of-the-art audio-visual studio that was unveiled in the beginning of this year reaped its first crop during a historic moment. On Wednesday 28 October 2015, the eight pilot students in the Postgraduate Programme in Film and Visual Media, which was launched at the beginning of this year, had their first big screen experience. Eight films were premiered in one night at the University of the Free State (UFS) Bloemfontein Campus.

An intimate movie theatre was brimming with friends and family of the students, their lecturers, and judges who doubled as moderators. This was no ordinary motion picture viewing. The apprentice filmmakers’ productions were undergoing formal external examination.

Judge by a legend

Katinka Heyns critiqued the student’s final products. Heyns is a renowned filmmaker, actress, director, producer, and founder of the production company, Sonneblom Films. She has numerous awards to her name, including the Career Contribution and Innovation Award, Legendary Award for Woman in Film and Television, and Medal of Honour for Paljas, which were presented by the Absa Klein Karoo Nasionale Kunstefees (KKNK), International Crystal Award, and South African Academy for Science and Arts, respectively.

Johanet Kriel and Chris Vorster from the film school also assisted as moderators.

The cinema exam

Each student had 20 minutes to provide a synopsis for the viewers, and screen the movie. At the end, The Secret of the Golden Flower, written and directed by Rudiker Janse van Rensburg, and The Nexus Effect, written and directed by Gawie Myburgh were judged the best movies “Both films had had clear and creative story lines, a solid structure, and quality editing,” said Chris Vorster.

Despite technical teething problems, all the students showed a great deal of talent and passion for filmmaking. “Given the time constraints and technical challenges, I’m very relieved that we actually got films on screen. They all impressed me with their creativity. Mission accomplished,” added Vorster.

The films

• The Blood of Barbara (Yvonne Allwright)
• Diary of an Oreo (Nonsindiso Qwabe)
• GeFop! (Hendrik Cronje)
• The Nexus Effect (Gawie Myburgh)
• The Secret of the Golden Flower (Rudiker Janse van Rensburg)
• Well ain’t that a Coinkydink?! (Rethabile Radebe)
• What Lurks in the Dark…(Rese Moore)

(Photo caption: Front row from left: Nonsindiso Qwabe, Suné van Heerden, Theresa Moore, Gawie Myburgh. Middle row: Rudiker Janse van Rensburg, Hendrik Cronjé, Yvonne Allwright, and Rethabile Radebe. Back: lecturer: Chris Vorster.)

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