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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

2015 Spring Graduation Ceremony rekindles spirit of Ubuntu

2015-09-22

Our graduates: A new generation of future leaders
to advance South Africa

- Video: Spring Graduation Ceremony

“Give away your love, attention, care and more.” These words of Prof Jonathan Jansen, Vice-Chancellor and Rector of the University of the Free State (UFS), capture the spirit of the 2015 Spring Graduation Ceremony that took place on Thursday 17 September 2015.

On this special day, 599 diplomas and degrees were conferred from the faculties of the Humanities, Education, Law, Theology, Economic and Management -, Health -, and Natural and Agricultural Sciences. Central to both the morning and afternoon ceremonies was the message of Ubuntu.

The essence of humanity

“Here is my advice to you,” Prof Jansen said to the graduates, “whatever you have, give it away. Give away your love, attention, care and more.” Prof Jeffrey Sachs, guest speaker at both events, supported this message by saying that the essence of humanity is the cornerstone to success. Prof Sachs, a prominent American economist and humanitarian, asked graduates to use their hard-earned knowledge wisely, fairly and boldly. “You are the wealth of South Africa, for your knowledge is the key to SA’s prosperity.”

The UFS Faculty of Economic and Management Sciences honoured Prof Sachs by conferring an honorary doctorate on him. With this prestigious conferral, the faculty acknowledges Prof Sach’s extensive work in sustainable economic, social and political development across the globe. Dr Khotso Mokhele, Chancellor of the UFS, commended Prof Sachs for his compassion and passion for humanity. “I’m truly inspired that you agreed to associate yourself with this institution. We are proud to be associated with your excellence,” Dr Mokhele said.

Celebrating the extraordinary

One of many highlights of the day was when Leanne Kunz and Karabo Motlhakoana walked across the stage to respectively receive their Postgraduate Diploma in Business Administration and a BSc degree in Information Technology.

Kunz has been compiling news bulletins for The Breakfast Special show, aired on the OFM radio station, for five years. This Kovsie Alumnus graduated with a Media Studies degree a few years ago. Kunz did not allow her successful career at the popular radio station to hinder her studying further, though. Neither has Motlhakoana’s physical challenges.

While everyone else used their hands to take notes, Motlhakoana used his foot. Despite being born with no arms, he was able to beat the odds by qualifying as a computer scientist. Motlhakoana was also involved in the Leadership for Change programme in 2011 which contributed to producing the well-rounded graduate he is today. When walking across the stage, “I felt like I achieved something that gave me a challenge,” he said.

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