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02 September 2020 | Story Lacea Loader | Photo Charl Devenish
Deputy Minister visit
From the left are: Deputy Minister of Higher Education, Science and Technology, Buti Manamela; Prof Prakash Naidoo, Vice-Rector: Operations at the UFS; and Dr Ramneek Ahluwalia, Chief Executive Officer of Higher Health.

“The work that the University of the Free State (UFS) is doing to ensure that students get the necessary support is quite impressive. The university is saving the academic year to save lives.” These were the words of the Deputy Minister of Higher Education, Science and Technology, Buti Manamela, during a visit to the university’s Bloemfontein Campus on 31 August 2020.

The visit was part of the Deputy Minister’s visit to higher education institutions in Bloemfontein to assess the academic state of readiness and to monitor the safety protocols for the phased re-opening of campuses during Level 2 of the national lockdown.

The delegation, which also consisted of representatives from Higher Health led by the Chief Executive Officer Dr Ramneek Ahluwalia, attended a briefing session in the Council Chambers before visiting various venues on campus. In his opening and welcoming remarks, Prof Prakash Naidoo, Vice-Rector: Operations, said that the safety, health, and well-being of staff and students remain the university’s priority. “Extensive planning has gone into making sure that the university complies with the national COVID-19 protocols and regulations and that our campuses are safe and ready for the return of students. Sufficient hygiene measures are in place, as well as adaptions to ensure physical distancing. The wearing of masks, physical distancing, and hand sanitising remain compulsory on all the campuses,” said Prof Naidoo.

“A Special Executive Group (SEG) was already established by the Rector and Vice-Chancellor, Prof Francis Petersen, at the beginning of March 2020. The SEG meets weekly to discuss and decide on the university’s response to COVID-19 as this pandemic develops over time. Consisting of eight task teams, the SEG is the decision-making entity that responds rapidly and in a coordinated manner to combat the threats to business continuity. One of the task teams is specifically looking at the wellness of our students and staff to make sure that this important aspect is taken care of,” said Prof Naidoo.

During a presentation of the university’s Multimodal Teaching and Learning Plan for the completion of the 2020 academic year, Prof Francois Strydom, Senior Director: Centre for Teaching and Learning, said that the university has an evidence-based approach towards remote multimodal teaching, learning, and assessment. “For instance, our vulnerable students were identified early in the lockdown, and 16 strategies were put in place to ensure that no student is left behind. 99,95% of our students were active on Blackboard. We are developing plans for the 0,05% of students who were not able to participate in learning, so that they can continue their learning journey with the UFS,” said Prof Strydom.

In his closing remarks, Deputy Minister Manamela commended the university management on the initiatives to save the academic year. He also indicated his appreciation for the informative session and encouraged the university to keep on motivating students and staff to be attentive to their behaviour and to remain careful about their health and well-being.

The programme was concluded with a visit to a number of venues on campus, including the examination venues, the Health and Wellness Clinic, the Pathogen Research Laboratory of the Division of Virology and a student housing unit.

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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