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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

New developments in the Faculty of Theology and Religion

2017-08-30

Bishop JM Khumalo, Apostolic Church of
Christ; Prof Fanie Snyman, Dean of the
Faculty of Theology and Religion; and
Rev Simon Galada, Wesleyan Church,
at the faculty’s official opening in
February 2017.
Photo: Eugene Seegers

At a meeting of the UFS Council last year, a name change was accepted for the Faculty of Theology, renaming it to the Faculty of Theology and Religion. This change signals openness in approach to other religions, in addition to those of Christian denominations. This is a development that took root in Europe a few years ago. Furthermore, a growing field of interest is the study of the impact religion has had and still has, even in highly secularised societies. This name change is the first of its kind in South Africa, which means that the faculty will lead the way in transformation and impact-based religious studies.

Exciting times lie ahead
Prof Fanie Snyman, Dean of the faculty, says of these refinements: “The new name and restructuring of departments will lead to a new synergy that will have an impact on our teaching and research in the faculty. Exciting times lie ahead for the Faculty of Theology and Religion!”

Apart from the change in the name of the faculty, departments within the faculty were also regrouped, with new names. The Departments of Old Testament and New Testament merged to become the Department of Old and New Testament Studies, while the Departments of Systematic Theology and Ecclesiology merged and will now be known as the Department of Historical and Constructive Theology. The former Departments of Practical Theology and Missiology became the Department of Practical and Missional Theology. The Department of Religion Studies remained unchanged to emphasise the importance of religion in South Africa and the world at large.
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Distinction of theological disciplines
The rationale for these groupings is the distinction of theological disciplines in terms of the study of texts (Old and New Testament), sources (Systematic Theology and Church History), and practices (Practical Theology and Missiology). One benefit of these newly-constructed departments is that they will be more cost-effective, but the more important advantage is that this will stimulate discussion and research across the various theological disciplines.

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