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21 April 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Walena and Elize
Walena Marambakuyana and Elize Swartz.

Her love of numbers and analysing data – to such an extent that she, just for the fun of it, did university Mathematics in her spare time in Grade 10. This not only resulted in an A for Maths in matric, but also contributed to Walena Anesu Marambakuyana’s success during her postgraduate studies, as she was announced the best honours student in her year group in the Faculty of Natural and Agricultural Sciences. 

Solutions to Africa’s challenges

For this prestigious achievement, she was presented the Dean’s Medal, which she collected during the faculty’s graduation ceremony on 21 April 2022. “I can't begin to say how much this means to me. I think of the struggles that I've faced, and it just proves to me that anything is possible if you set your mind to it,” says Walena, who believes this achievement will also motivate her little sisters to aim higher in life. 

Walena, who completed her undergraduate studies in Actuarial and Financial Mathematics at the University of Pretoria, continued with her honour’s degree in Risk Analysis at the UFS.

“Thinking back, it was always clear that I would take this route. Throughout primary school and high school, the Math teachers particularly liked me. I think it was because they saw that I really enjoyed Mathematics. I also remember that at the tender age of seven, my dad's colleagues would call me a mathematician,” recounts Walena.

She, like her aunt and role model, Dr C Gandidzanwa, is working towards obtaining a PhD. Currently, Walena is enrolled for the master’s degree in Risk Analysis at the UFS. “In my view, a PhD would enable me to contribute to innovative ideas that will provide solutions to the various challenges we are facing in Africa and the world at large. I specifically would like to inspire younger generations coming after us to safeguard against risks by anticipating, assessing, and taking the necessary steps to mitigate against risks,” she says.

“I believe risk assessment and mitigation not only contribute to my day-to-day activities; it also affects bigger global challenges such as climate change. Through my studies, I have a clear picture of what can be done to mitigate these risks. However, the challenge is always to ensure that this filters to practical action,” says Walena.

This is where I belong

Receiving the Dean’s Medal for the best marks in the group of master’s students in the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS), was another mathematician, Elize Swartz. “Receiving the Dean's Medal is a great honour for me. It reminds me that hard work pays off and it encourages me to continue with my studies.”

She completed her honours degree, majoring in Mathematics and Applied Mathematics, in 2019 and her master’s degree in Mathematics in 2021. For both, her mini thesis was in the field of graph theory.

Currently a lecturer in the UFS Department of Mathematics and Applied Mathematics, she is looking forward to starting with her PhD later this year. Elize, who already knew in primary school that she wanted to be a teacher, is hoping to one day be a full-time lecturer at the UFS. “My passion is to work with young people. I hope to make a difference in their lives by teaching, sharing my knowledge, and helping them in such a way that they experience the love of Jesus Christ,” she says. 

She continues: “I cherish the instances when my lecturers gave me advice, encouraged me, and recognised my hard work. I want to share and continue that positive experience with other people and students by teaching them to work hard and be responsible, while treating them with kindness, patience, and love.”

Her favourite part of studying was the moment when she did homework and assignment problems and everything just started to fall into place. “For me, Maths problems are almost like a little game or puzzle. I also enjoyed receiving my marks after each assignment, test, or exam, knowing that this was the result of all my hard work,” says Elize, who also enjoys campus life, especially after the lockdown, “walking on campus – feeling safe, at home, and the sense of knowing this is where I belong”.

News Archive

UFS teams up with Department of Agriculture and donates latest farming technology to Oppermans
2009-03-09

 
Attending the recent launch of the latest technology that measures the salinity of soil – the EM38 system – during an information day held in Jacobsdal were, from the left, back: Mr Robert Dlomo, a farmer from Pietermaritzburg in KwaZulu-Natal, Prof. Leon van Rensburg, Department of Soil, Crop and Climate Sciences at the UFS, Mr Sugar Ramakarane, head of the Department of Agriculture in the Free State, Dr Motseki Hlatshwayo, national Department of Agriculture, and Prof. Herman van Schalkwyk, Dean of the Faculty of Natural and Agricultural Sciences at the UFS; front: Mr Robert Smith and Mr Fagan Scheepers from Oppermansgronde, who will be working with the EM38 system in the area.
Photo: Landbouweekblad
UFS teams up with Department of Agriculture and donates latest farming technology to Oppermans

Emerging and commercial farmers of the Oppermans Community in the Northern Cape will now be able to monitor the salinity levels on their farms effectively for the first time.

This is as a result of a donation of the latest technology that measures the salinity of soil – the EM38 system – which the University of the Free State (UFS) is donating to the community.

The unique project was launched by the Department of Soil, Crop and Climate Sciences at the UFS and the Department of Agriculture in the Free State during an information day held at Jacobsdal recently.

The day was attended by members of the Oppermans Community and representatives of the UFS as well as the Department of Agriculture. Mr Sugar Ramakarane, Head of the Department of Agriculture in the Free State, did the welcoming and several academics from the UFS held discussions about various topics related to the salinity levels in soil.

Since the establishment of the Oppermans Community emerging farmers are now for the first time able to accurately monitor the salinity levels on their farms as well as that of irrigation schemes of commercial farms in the area.

“In a region such as the Northern Cape it is very important that the salinity level of soil is monitored properly. As water is administered to crops, salts accumulate in the soil because the roots leave most of the salts in the soil when it transpires. When the salinity of soil increases, the osmotic potential thereof can also increase, which can seriously damage the water intake of crops and can create loss in yield and income,” said Prof. Leon van Rensburg from the Department of Soil, Crop and Climate Sciences at the UFS and leader of the Oppermans Project.

To assist the farming community of Oppermans to apply precision farming and to measure the salinity level of soil more accurately the latest technology that measures salinity in soil – the EM38 – will be donated to the community. Although the system is used throughout the world, the UFS is the only tertiary institution in the country that owns the latest version of this system.

“We are also training two persons from the Oppermans Community as technicians that will monitor the use of the system. The advantage of the donation of the system for the university is that we can gather data that can be used for research purposes by our Master’s and Doctoral students. We also want to see if water-table heights can be measured with this system,” said Prof. Van Rensburg.

According to him the system has several advantages for the community’s emerging farmers. “For the first time the salinity level of soil can now be measured accurately, salt maps can be drawn up, we can advise farmers about the corrections that need to be made and salinity management plans can be compiled,” he said.

The system is very accurate as it takes measurements every 200 mm while it is pulled by a four-wheel motorbike. The readings provide the distribution of salts up to a soil depth of 1 500 mm. “In the past the measuring of salinity levels was time-consuming and the cost thereof was R90 for one sample. The new system is more cost-effective,” stated Prof. Van Rensburg.

The instruments will be handed over to the African Spirit Group of the Oppermans Community, who will then become the owners. The service to farmers will then be managed by an operational group consisting of people from the Oppermans Community, a postgraduate student who can compile salinity maps and Prof. Van Rensburg, who will act as project leader and advisor.

The system will also be made available to farmers at the Riet River and Vaalharts Schemes.

Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za  
9 March 2009
 

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