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10 November 2023 | Story André Damons | Photo SUPPLIED
Muthianzhele Ravuluma receives an award from Prof Sebastian Leuzinger from the Auckland University of Technology in New Zealand.
Muthianzhele Ravuluma receives an award from Prof Sebastian Leuzinger from the Auckland University of Technology in New Zealand.

A PhD student from the University of the Free State (UFS) has won the International Society for Horticultural Science (ISHS) Young Minds award for the Best Paper and Best Poster Presentation during the 12th International Workshop on Sap Flow, which was held in Rotorua, New Zealand.

Muthianzhele Ravuluma from the Department of Soil, Crop, and Climate Science who is working on his PhD in Agrometeorology, presented a paper on “Sapflow Dynamics of Young and Mature Pomegranate Trees Under Irrigation” during the four-day symposium that took place between 30 October and 3 November 2023. Agrometeorology is the study of the soil, plant and atmosphere continuum. In simple terms, it is called agricultural meteorology, which is the study of the influence of weather and climate on agriculture.

Encourage do and learn more 

“I feel thankful to being given an opportunity like this, and winning the award was a surprise. Still, I am happy and grateful for the support from my promoters and the Pomegranate Water Use Project members. This encourages me to do more and to learn more about new technologies in the field of agriculture,” he says. 

Ravuluma travelled to New Zealand with his promotor Dr Phumudzo Tharaga to present his research and to learn from other researchers is the field. His research looks at the water use of pomegranate trees under irrigation in a Mediterranean climate. 

A proud Dr Tharaga says he is happy to know that the guidance he has been giving to Ravuluma is fruitful and improving his academic and research capabilities. “I feel proud as a supervisor, which makes my dream come true of ensuring that all postgraduate students can showcase their work on international stages,” says Dr Tharaga. 

Hosting next symposium 

Together with Prof Rob Skelton from Wits University, they also successfully bid to host in the 13th International Sap Flow Workshop in South Africa – beating China and the US in the process. All three colleagues will collaborate as conveners of the workshop in South Africa during October/November 2026. 

“It is an honour to be recognised and entrusted by the international community of scientists who would like to showcase their work in South Africa. As the convener of the conference, I am happy that it will be hosted in our country for the first time since the inception of the Sap Flow Working Group. Scientists and researchers in South Africa will be able to interact with their peers from different parts of the world,” concludes Dr Tharaga.

Dr Phumudzo Tharaga congratulates Muthianzhele Ravuluma on winning the  prestigious award.

Dr Phumudzo Tharaga congratulates Muthianzhele Ravuluma on winning the  prestigious award. 

News Archive

Book Prize for Distinguished Scholarship awarded to Dr Christian Williams
2016-03-24

Description: Dr Christian Williams Tags: Dr Christian Williams

Prof Jonathan Jansen, Vice-Chancellor and Rector of the University of the Free State and Dr Christian Williams, senior lecturer at the UFS Department of Anthropology.
Photo: Johan Roux

When Dr Christian Williams moved from the United States to Namibia in January 2000 as part of the WorldTeach volunteer programme for teachers, he had not anticipated an award-winning piece of scholarship in his future. It was during these visits to Namibia, though, that the seeds for his highly-acclaimed book were sewn.

While volunteering at the St. Therese Secondary School in Tses at that time, Dr Williams – now a senior lecturer at the University of the Free State (UFS) Department of Anthropology – became acquainted with some of the school’s alumni. The stories these individuals started sharing with him soon revealed personal histories of exile and violence by fellow SWAPO (South West Africa People’s Organization) members.

These experiences ultimately resulted in Dr Williams’ book, National liberation in postcolonial southern Africa: a historical ethnography of SWAPO’s exile camps, published last year. Due to the book’s literary impact, the university awarded Dr Williams the UFS Book Prize for Distinguished Scholarship on Friday 19 February 2016. Dr Williams is the second academic to be awarded this prize.

Politics of the past


In the 1960s, Namibians mobilised and retaliated against colonial rule under the liberation movement known as SWAPO. This created political tension which resulted in the flight of many SWAPO members to exile camps administered by the party.

“Over its three decades in exile, SWAPO was responsible for the welfare of roughly 60 000 Namibians. This was about 4% of the total Namibian population at independence – most of whom lived in camps,” says Dr Williams. The research originally used as a basis for his doctoral thesis was subsequently developed into this prize-winning book.

Advancing the Human Project

“It’s an honour to receive recognition from the university; it means that they value the kind of work that I am doing. I think it’s great for universities to have such prizes,” Dr Williams says.

Supporting the UFS Human Project, Dr Williams will donate a portion of the R25 000 prize money towards the UFS Student Bursary Fund Campaign, as well as the school in Namibia.The rest will subsidise the purchase of the book for distribution to libraries and as gifts.

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