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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

UFS Centenary 2004/05 : October snippets

2004-10-06

CENTENARY CONFERENCE
The proposed Centenary Conference on Democracy, Diversity and Development : Towards a mature and robust society – A critical discourse, refers. Unfortunately many invited contributors are unable to attend on the proposed dates (12 to 15 October 2004) prompting the UFS management to reconsider the timing of the conference. The UFS management has therefore decided to postpone this conference until an appropriate time in 2005.

As a result of this postponement the SAUVCA activities will also no longer be part of the October programme in Bloemfontein.

CENTENARY COMPLEX
The rehabilitation of the existing Reitz Hall and adjoining residence into the Centenary Complex is almost complete.

The inauguration of the complex – Reitz Hall and DF Malherbe House – will take place on Tuesday, the 12th of October 2004. A special open day from 11:00 until 16:00 is planned to enable all staff and students to visit this prestige complex. More detail will be available early October 2004.

FILM PREMIERE
The premiere of an UFS commissioned documentary, as part of its Centenary celebrations, on the remarkable leadership, reconciliatory and nation-building role of King Moshoeshoe, the Basotho leader of the nineteenth century, will take place on Wednesday, the 13th of October 2004. The director of this commissioned documentary is the well-known Max du Preez. Although this event is open to invited guests only, the documentary will also be screened by the SABC later this year. It will also be screened at several other occasions to enable staff and students to experience and discuss this film.

With this film and other projects the University of the Free State wishes to celebrate the legacy of this extraordinary African leader for the Free State and for South Africa.

CENTENARY HONORARY DOCTORATE GRADUATION CEREMONY
A special Honorary Doctorate Graduation Ceremony will take place on the 14th of October 2004 at 19:00 in front of the Main Building on the UFS campus. Twelve honorary doctorate degrees will be awarded to a diverse group of outstanding South Africans and international scholars. The Rector requests the attendance of all staff and students in large numbers during this prestige event.

The following candidates will receive an honorary doctorate degree: Me Antjie Krog, Prof Jakes Gerwel, Mr Karel Schoeman, Dr Frederick van Zyl Slabbert, Prof Saleem Badat, Dr Khotso Mokhele, Prof Robert Bringle, Prof Leo Quayle, Prof Jack de Wet, Prof Kerneels Nel (posthumous), Prof Boelie Wessels en Prof Jaap Steyn .

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