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12 May 2020 | Story Prof Francis Petersen | Photo Sonia Small
Prof Francis Petersen.

In a rapidly changing, uncertain and complex world, the role that universities are playing as the engines of social mobility, as drivers of the economy and as generators of new ideas, is now more critical than ever.  Due to the universal nature of knowledge, universities are global in scope – a space that encourages new ideas, controversy, inquiry, and argument and challenges orthodox views, but they are also deeply entrenched in their local environment, influenced by socio-economic and political dynamics.  There is an expectation that universities should exhibit great levels of responsiveness and public accountability, with higher levels of trust in higher education, and between higher education and government, and higher education and the public.  The challenge for both higher education and government is to allow institutional autonomy without oppressive accountability.  

Over the past few years, the purpose of universities has been challenged in relation to their role in society, their advocacy for speaking truth to power, their continuous strive to be great universities without being elitist, and their ability to function in an age of populism. The Trump administration and, more recently, Brexit have demonstrated that there is a decline in the respect for evidence and advice from subject-specific experts.  It seems (as in the case of the Trump administration) as if empirical reality does not matter, nor does empirical reasoning form the basis of public policy – a political place that is becoming increasingly anti-intellectual.  Emotion and personal belief have been shown to carry more weight than objective facts and evidence in terms of influencing public opinion.  Fake news and ‘the alternative truth’ have also challenged the fundamental principles of a university – academic freedom and the generation of new knowledge in the pursuit of truth.

A digitally unequal society
The COVID-19 pandemic has shown deep fault lines in our society – stark poverty and inequality – that universities should engage with (and they do); however, they cannot eliminate it on their own, but can be part of the solution.  South Africa is the most unequal society in the world.  Before the COVID-19 pandemic, the South African economy was already in deep trouble, with sovereign downgrades by all the rating agencies and with an unemployment rate close to 30%.   The national lockdown, in an attempt to ‘flatten the infection curve’ and hence manage the response of the national health system to COVID-19 cases, has added to the pressure on the economy.  It is envisaged that a large number of people (estimated between 3 and 7 million South Africans) will lose their jobs after the national lockdown period, adding to poverty and an already high unemployment rate.  Even during the lockdown period, there are many South Africans living in crowded spaces, hence finding it difficult to practise social distancing, may not have running water and proper sanitation, and possibly do not have regular access to food.  

As schools and the post-school education and training sectors move online with their learning, it further shows how digitally unequal our society really is – access to connectivity, data, and an appropriate digital device is a challenge, and electricity is not evenly distributed or is non-existent in our society.  These institutions, within the environment of digital inequality, are ensuring that digital equity is maintained as far as possible.  Many churches, business leaders, and certain politicians have called for a different social pact between business, labour, and government to address the state of the economy – any such action, however, must be supplemented by concrete measures for social reform.

Regaining trust in universities
But perhaps this pandemic has also created an opportunity for science and evidence to regain credibility in informing government decisions and public trust, and for universities to demonstrate respect for evidence. During the initial stages (early March) of COVID-19 in South Africa, the epidemiologists and virologists have shown through confirmed data from the National Institute of Communicable Diseases (NICD) that South Africa was in the early phase of the infection curve – also interpreted to be the relatively low-risk phase of the curve; this would be the right time to apply the principle of social distancing.  It allowed certain organisations (such as universities) to pro-actively suspend part of their activities so as to minimise the number of people in their operational environment, well before the national lockdown was announced on 26 March – a decision based on science.

Through data and proper analyses, the NICD, other scientific bodies and the Ministerial Advisory Committee on COVID-19 provided evidence-based information to government and the public, from which meaningful decisions could be taken.  The South African government has made it perfectly clear that decisions around COVID-19 will be made based on the science associated with this pandemic – a stance to be applauded.  Hence, the risk-adjusted approach of ‘opening up’ the economy through easing the lockdown measures but constantly monitoring the infection curve is an excellent example of risk management while continuously assessing the risks.

Universities, science laboratories, and pharmaceutical companies around the globe are hard at work to develop an effective vaccine for COVID-19, which is another opportunity to demonstrate how science can assist in protecting people from this terrible virus. Universities are making advances in personal protective equipment (PPE), the development of new technologies for non-ICU provision of oxygen to COVID-19 patients, more advanced methods of testing (for the virus) to reduce turnaround times, and various other scientific studies.  

This platform is giving universities a renewed impetus to use science and scientific developments to advance societal agendas such as climate change, poverty and inequality, public health and social justice (ethics of care) – and more immediate – assisting in re-building a strong South African economy.  It is an opportunity for the public and politicians to regain trust in universities, but it is also an opportunity for universities to profile their public intellectuals so that the value of science and evidence-based output is part of policy debates and informed decision-making.  However, in doing so, universities must strengthen their relationship with society at large, be inquiry-driven, and at the same time be learning and co-creating.

Prof Francis Petersen is Rector and Vice-Chancellor of the University of the Free State.

News Archive

Research helps farmers save with irrigation
2017-02-15

Description: Irrigation research Tags: Irrigation research

Marcill Venter, lecturer in the Department of
Agricultural Economics at the University of the
Free State, has developed the mathematical
programming system, Soil Water Irrigation
Planning and Energy Management in order to
determine irrigation pump hours.
Photo: Rulanzen Martin

Her advice to farmers is that they should make sure they are aware of the total cost (investment and operating costs) of an irrigation system. In most cases the investment cost is low, but the operating cost over the lifetime of the system is high.

“It is very important to have a look at the total cost and to install the most economic system,” says Marcill Venter, lecturer at the University of the Free State (UFS), who has done research on the economic sustainability of water-pipe systems.

Irrigation systems important components for farming
This research comes at a time when many farmers are relying on their irrigation systems due to persistent drought and low rainfall during 2016. South Africa has also experienced an abnormal increase in electricity tariffs in recent years. Due to tariff increases which threaten the future profitability of irrigation producers, the Water Research Commission (WRC) has launched and financed a project on the sustainable management of irrigation farming systems. “I had the opportunity to work on the project as a researcher,” says Venter.

The heart of every irrigation system is the water pipes that bring life to crops and livestock, and this is what Venter’s research is about. “Water pipes are part of the whole design of irrigation systems. The design of the system impact certain factors which determine the investment and operating costs,” she says.

Mathematical system to help farmers
Venter and Professor Bennie Grové, also from the Department of Agricultural Economics at the UFS, designed the Soil Water Irrigation Planning and Energy Management (SWIP-E) programming model as part of the WRC’s project, as well as for her master’s degree. “The model determines irrigation pump hours through a daily groundwater budget, while also taking into account the time-of-use electricity tariff structure and change in kilowatt requirements arising from the main-line design,” says Venter. The model is a non-linear programming model programmed in General Algebraic Modeling System (GAMS).

Design of irrigation system important for sustainability

The main outcome of the study is that the time-of-use electricity tariff structure (Ruraflex) is always more profitable than the flat-rate structure (Landrate). The interaction between the management and design of a system is crucial, as it determines the investment and operating costs. Irrigation designers should take the investment and operating cost of a system into account during the design process. The standards set by the South African Irrigation Institute (SAII) should also be controlled and revised.

Water-pipe thickness plays major role in cost cuts
There is interaction between water-pipe thickness, investment and operating costs. When thinner water pipes are installed, it increases the friction in the system as well as the kilowatt usage. A high kilowatt increases the operating cost, but the use of thinner water pipes lowers the investment cost. Thicker water pipes therefore lower the friction and the kilowatt requirements, which leads to lower operating costs, but thicker pipes have a higher investment cost. “It is thus crucial to look at the total cost (operating and investment cost) when investing in a new system. Farmers should invest in the system with the lowest total cost,” says Venter.

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