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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

Spring graduation ceremony

2006-09-15

A three-year old boy from Welkom, Kearabetswe Mokoena, stole the show at the spring graduation ceremony of the University of the Free State (UFS) in Bloemfontein. He was dressed in an exact replica of the academic outfit worn by his father, Mr Ketseletso Mokoena, who obtained his LLB degree from the UFS. The outfit was made by Kearabetswe’s mother Mrs Ennie Mokoena. From the left are Mr Mokoena, his son Kearabetswe, and Prof Frederick Fourie, Rector and Vice-Chancellor of the UFS.
Photo: Lacea Loader

Prof Mos Thulare (acting Rector and Vice-Chancellor of the Central University of Technology) obtained his LL.B. degree during the spring graduation ceremony of the University of the Free State (UFS) in Bloemfontein. On the photo, he is congratulated by Prof Frederick Fourie (Rector and Vice-Chancellor of the UFS).
Photo: Stephen Collett

Altogether five master's degrees in Physics were awarded during the University of the Free State's (UFS) spring graduation ceremony in Bloemfontein. It is the biggest group of master's degrees in the history of the UFS Department of Physics awarded during a graduation ceremony. From the left are: Richard Harris, Puleng Ramoshebi, Prof Hendrik Swart (Head of the UFS Department of Physics), Lisa Coetsee and Etienne Wurth. One of the students, Gerhard Olivier, was absent when the photo was taken.
Photo: Lacea Loader

Altogether 29 doctorates were awarded during the University of the Free State's (UFS) spring graduation ceremony in Bloemfontein. Some of the doctorandi are from the left: Drs Nicholas Mtshali (Chemistry), Candice Jansen van Rensburg (Zoology), Ina Claassens (Physics), Martin Ntwaeaborwa (Physics) and Vicki Tolmay (Plant Breeding).
Photo: Lacea Loader

A great number of students from Africa were among the 29 students who received their doctorates during the University of the Free State's (UFS) spring graduation ceremony in Bloemfontein. From the left are: Drs Amaha Kassahun (Grassland Science) and Tolessa Debele (Soil Science), both are from Ethiopia.

A number of doctorates were awarded to students across the world during the University of the Free State's (UFS) spring graduation ceremony held in Bloemfontein. From the left are: Drs Eli Kohn (from Israel who received a doctorate in Near Eastern Studies), Prof Philip Nel (UFS Department of Afro-asiatic. Studies, Sign Language and Language Practice), Prof Annette Wilkinson (Centre for Higher Education Studies and Development at the UFS) and Dr Padmanabhan Nair (from India who received a doctorate in Higher Education Studies). Prof Nel was Dr Kohn's co-promoter and Prof Wilkinson was Dr Nair's promoter.
Photo: Stephen Collett

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