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15 September 2022 | Story NONSINDISO QWABE | Photo UFS Photo Gallery
UFS Qwaqwa Campus
The UFS Qwaqwa Campus.

Recent global happenings have challenged communities and humanity’s capability to solve immediate and major problems. Science has been one of the spaces in which the communities have looked for solutions regarding real threats to lives related to climate change, wars, as well as social and health pandemics. The Qwaqwa Campus will be showcasing Qwaqwa Campus research and scholarship at this year’s research conference, a two-day event which will be held in person, on 29-30 September 2022 at the Senate Hall on campus.

‘Scholarship, Innovation and Science: how can research be used as a tool for the betterment of society?’

Under this theme, the conference will be a space for intellectual debate and the processing of scholarship in innovation, said Prof Pearl Sithole, Vice-Principal: Academic and Research. “Some of the societal challenges have been urgent and pressing, yet some are slow dilemmas shattering the hope of generations for a better future. This conference will present the products of ‘disciplinary and scholarly crafts’, but it also seeks to explore whether science does (or should) have a strategic direction, and perhaps this is what the concept of innovation should entail. It will ponder on whether in the age-old binary between exploratory research and praxis there is a defeating taming of the entrepreneurial edge for the expanse of science in Africa,” she said.

Prof Sithole said the campus would also be launching its research strategy for 2022 to 2026.

Guest speakers include:

• Prof Percy Hlangothi is an Associate Professor of Physical and Polymer Chemistry at the Nelson Mandela University. He is also the inaugural Director of the Centre for Rubber Science and Technology, a research entity in the Faculty of Science at the same institution.

• Mr Lukhona Mnguni is a governance, politics, and development specialist and prolific political analyst specialising in Africa and international relations, as well as a PhD intern at the University of KwaZulu-Natal. He currently serves as the Head of Policy and Research at the Rivonia Circle. His work includes a current affairs analytical show on eNCA dubbed On the Spot with Lukhona Mnguni.

• Prof Dipane Hlalele is a Professor of Education and a C2 NRF-rated researcher. He is a highly rated scholar in inclusive education, critical pedagogy, and educational psychology at the University of KwaZulu-Natal. Prior to joining UKZN as an associate professor in 2017, he was an assistant dean and senior lecturer at the UFS, a college of education lecturer, and a high school deputy principal and teacher. 

To RSVP please click here on or before 19 September 2022.

News Archive

Well-established root system important for sustainable production in semi-arid grasslands
2015-02-24

Plot layout where production and root studies were done
Photo: Supplied

The importance of a well-established root system for sustainable production in the semi-arid grasslands cannot be over-emphasised.

A study of Prof Hennie Snyman from the Department of Animal and Wildlife and Grassland Sciences at the University of the Free State is of the few studies in which soil-water instead of rainfall has been used to estimate above- and below-ground production of semi-arid grasslands. “In the past, plant ecological studies have concentrated largely on above-ground parts of the grassland ecosystem with less emphasis on root growth. This study is, therefore, one of the few done on root dynamics in drier areas,” said Prof Snyman.

The longevity of grass seeds in the soil seed bank is another aspect that is being investigated at present. This information could provide guidelines in grassland restoration.

“Understanding changes in the hydrological characteristics of grassland ecosystems with degradation is essential when making grassland management decisions in arid and semi-arid areas to ensure sustainable animal production. The impact of grassland degradation on productivity, root production, root/shoot ratios, and water-use efficiency has been quantified for the semi-arid grasslands over the last 35 years. Because of the great impact of sustainable management guidelines on land users, this study will be continuing for many years,” said Prof Snyman.

Water-use efficiency (WUE) is defined as the quantity of above- and/or below-ground plant produced over a given period of time per unit of water evapotranspired. Sampling is done from grassland artificially maintained in three different grassland conditions: good, moderate, and poor.

As much as 86, 89 and 94% of the roots for grasslands in good, moderate and poor conditions respectively occur at a depth of less than 300 mm. Root mass is strongly seasonal with the most active growth taking place during March and April. Root mass appears to be greater than above-ground production for these semi-arid areas, with an increase in roots in relation to above-ground production with grassland degradation. The mean monthly root/shoot ratios for grasslands in good, moderate, and poor conditions are 1.16, 1.11, and 1.37 respectively. Grassland degradation lowered above- and below-ground plant production significantly as well as water-use efficiency. The mean WUE (root production included) was 4.79, 3.54 and 2.47 kg ha -1 mm -1 for grasslands in good, moderate, and poor conditions respectively.

These water-use efficiency observations are among the few that also include root production in their calculations.

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