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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 Rector and Chancellor inaugurated at UFS

2003-02-07

NEW RECTOR AND CHANCELLOR INAUGURATED AT UFS

Newly inaugurated Rector and Vice-Chancellor of the University of the Free State, Prof Frederick Fourie, has recommitted the university to the service of the broader community, through the pursuit of academic excellence and contributing to building a non-racial, democratic and just South Africa.

To make this a reality Prof Fourie proposed a social contract or accord between university constituencies and the community to chart the way forward to establishing a university that can meet the challenges of a developing democracy.

Prof Fourie was speaking at his inauguration ceremony on the Bloemfontein campus, where the former Ambassador to the United States, Dr Franklin Sonn, was also inaugurated as Chancellor of the UFS.

The twin inauguration ceremony – the first in the history of the UFS - was attended by former President Nelson Mandela, Education Minister, Kader Asmal, Free State Premier Winki Direko, and the executive mayor of Mangaung, Mr Pappie Mokoena, who all endorsed the appointments as evidence of the transformation of the UFS.

According to Prof Fourie, the greatest contribution that any university could make to social and economic development in South Africa was by being an excellent university that encouraged critical inquiry, scientific knowledge as well as community service.

“So whilst we cherish and foster the continuity of the university as part of the ageold international tradition of universities, this University embraces its particular role in this country now, embraces the changes in the form and scope of its role in this crucial period of our history. We are committed to making a real difference to the new nation,” he said.

His vision for the UFS was “to be a university of excellence, equity and innovation – a leader in research, teaching, community service, adult learning, transformation, non-racialism, non-sexism, multi-culturality and multilingualism – a contributor to our country and our continent’s growth and development – a truly South African university”.

Prof Fourie said the recent incorporation of the Qwaqwa campus of the University of the North into the University of the Free State, which is the first such incorporation to take place, would contribute to broadening access for poor communities to higher education. Introducing an innovation to the inauguration ceremony, Prof Fourie and the UFS staff pledged to their commitment to excellence and justice, quality and equity. Fourie is the 13th Rector of the University of the Free State, succeeding Prof. Stef Coetzee, and Dr Sonn is the 6th Chancellor, succeeding Ms Winkie Direko, Premier of the Free State.

In his inaugural address, Dr Sonn said the significance of today’s ceremony was that the UFS - as a former institution of the Afrikaner – had chosen to walk the path of justice and not merely survival. “This university has seemingly liberated itself. It is inclusively South African.

He said the academic community must play its role of vigilance and not indifference”. Referring to the stature of former president Mandela in international affairs, Dr Sonn said: “We must bring the weight ot science and critical analysis and interpretation to bear in support of Madiba and other moral giants.”

Inauguration Speech by Prof. Frederick C.v.N. Fourie (PDF format)

Inauguration Speech by Dr Franklin A. Sonn (PDF format)

Statement by the Minister of Education, Professor Kader Asmal (PDF format)

Speech by Prof. Viljoen (PDF format)

Speech by Executive Mayor Mokoena - Mangaung Local Municipality (PDF format)

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