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09 February 2024 | Story EDZANI NEPHALELA | Photo SUPPLIED
Jerry Dlamini
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. 

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Environmental management – the answer to a sustainable green economy
2014-11-03



From the left are: Tshepo Moremi (Deputy Director-General), Mamotena Puleni (Personal Assistant to the Deputy Director-General) and Prof Maitland Seaman (Head of Department: Centre for Environmental Management).

Photo: Ifa Tshishonge

As part of celebrating 20 years of existence, the Centre for Environmental Management at the University of the Free State (UFS) hosted a public lecture themed, ‘The Future of Environmental Management’. Mr Tshepo Moremi, Deputy Director-General of the Department of Environmental Affairs and Tourism (Free State), portfolio Environment, Conservation and Tourism, delivered this lecture.

Mr Moremi said, “The environmental performance of South Africa must be seen in the context of our history and the country’s transition. South Africa has taken the lead in being a responsible global citizen, and we also participate in international projects in this field.”

South Africa hosts one of the richest biodiversities in the world. However, the country’s economy is still very energy - and carbon intensive.

“According to the World Health Organisation, approximately 16% of all deaths and one-third of diseases in children under the age of five years are environmentally related. Inadequate sanitation and indoor pollution are key factors,” Mr Moremi said.

“Academic institutions like the UFS and the government need to take the role of equipping citizens with skills and training so that we can overcome the challenges and seize opportunities related to the environment.

“Financing mechanisms for projects related to environmental sustainability were introduced in 2011. However, we still lack skilled capacity to run these projects smoothly and to use international and national funding strategically.

“Looking forward and responding to our challenges, it is vital that we transform our economy to be an international competitor and job-creation hub, and to be sustainably climate resilient, as outlined by the National Development Plan. Minimum standards will also be put in place to regulate emissions and monitor air quality. The sustainability of society’s well-being is important to the long-term role of environmental management in boosting our socio-economic status as a nation,” Mr Moremi said.

He emphasised that it must not only be about conserving and preserving. “Our people should benefit economically and socially,” he said.

Mr Moremi encouraged the audience to defend ideas that protect our non-speaking natural resources. “Let’s all do what we can and rise to this advocacy challenge,” he added. He also expressed his gratitude towards the university for honouring him during such a celebration and for working together in advocating for environmental issues.

The Centre for Environmental Management also hosted a strategic colloquium, discussing issues such as demography, resources, climate, water, environmental management, academic pursuance, as well as curriculum and the role of professional registration which may have an influence on the nature of its programmes.

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