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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

Democracy and traditional leadership in rural areas explored

2017-09-22

Prof Lungisile Ntsebeza, recipient of the NRF Hamilton
Naki Award
Photo: Supplied

The Free State Centre for Human Rights held a presentation by Prof Lungisile Ntsebeza on 7 September 2017 at the University of the Free State (UFS) Bloemfontein Campus on the topic of democracy and traditional leadership in rural areas. Prof Ntsebeza is the holder of the AC Jordan Chair in African Studies at the University of Cape Town and the holder of the National Research Foundation (NRF) Research Chair in Land Reform and Democracy in South Africa.

Conflict between democracy and traditional rule
The topic of democracy and traditional leadership in the rural areas is an example of the tension between democracy and customary law governing the appointment of traditional leaders (headmen) that is currently at play in many parts of the country. Prof Ntsebeza made reference to a court case in the Eastern Cape, where a community successfully challenged the appointment of a headman by the royal family of the area. The contention was whether royal families could appoint headmen in rural communities or if those communities ought to democratically elect their own leaders. He argued that in this specific case, the democratic imperatives of the Constitution did not conflict with customary law because of the particular communal practice of electing leaders.

The Constitution and customary law
The Constitution of South Africa recognises customary law provisions which are not in conflict with its fundamental values. Difficult legitimacy problems may arise where customary practices are different from those governing this particular case. Ultimately the Constitutional Court would be called upon to resolve inherent tensions and develop customary law in line with the direction foreseen in the Constitution.

Student engagement as a vehicle for change
The event was attended by UFS staff and fourth-year LLB students in the Faculty of Law, and was funded by the Free State Centre for Human Rights at UFS. The programme is one of several that the centre seeks to utilise in engaging students with researchers and scholars in the field of law and human rights. Prof Ntsebeza has given academic presentations on various related and trending topics in the current academic climate, such as decolonising the curriculum, Cecil John Rhodes and others. He was recently awarded the Hamilton Naki Award at the 2017 National Research Foundation Awards.

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