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06 August 2020 | Story Leonie Bolleurs | Photo Supplied
Carien Denner will tell her 15-year-old self to drink more water, use more sunscreen, and to be present in the moment to not miss out on a single opportunity.

The Ruforum Wool project strives to ensure sustainable growth for communal wool farmers in the Free State by enabling them to compete in wool quality with commercial wool farmers through end-to-end development of the wool value chain. In this project, small-scale wool farmers and community members are identified and invited to take part in the project where they learn various skills in each component of the wool value chain. As a result, production by the communal wool growers is transformed from an underachieving enterprise to a profitable, sustainable, and renewable venture that will enhance the livelihoods of wool producers in the community.  

An interview with Carien Denner, Project Manager in the Department of Consumer Science at the University of the Free State (UFS), revealed that there is more to this woman who is working hard to enhance the livelihoods of communities. 

Please tell us about yourself: Who are you, and what do you do? 

“I am involved in the Community Gardens Food Security project, as well as the Ruforum Wool project. With the latter project, I serve on the management team that was established to commercialise wool production in the communal areas of the province by developing strategies to overcome the various challenges faced by these growers.”

Is there a woman who inspires you and who you would like to celebrate this Women’s Month? Why?

“My mother, a teacher for more than 43 years, epitomises my idea of a dynamic woman being kind, encouraging, truthful, fun, strong, selfless, and brave through everything that life has thrown at her. I believe that a mother’s love and sacrifices are what makes us as women dynamic – each in her own right.”

What are some of the challenges you have faced in your life that have made you a better woman?

“When my dad passed away (I was 12 years old), I saw my mom being an ironwoman who never gave up and never got tired. Instead, she showed us what courage looks like and set an amazing example of strength and perseverance for my brother and me.”

What advice would you give to the 15-year-old you?

“This is not a good question to ask someone in the middle of a pandemic! I would tell myself to appreciate every day for what it is and not to stress about the future too much.  

What would you say makes you a champion woman [of the UFS]?

“I think a champion woman is someone who – especially during these trying times – supports, empowers, and uplifts her fellow man. The Ruforum Wool project and everyone who is involved in it is doing precisely that. We need to empower, uplift, and encourage our emerging farmers to restore dignity and ensure sustainability in agriculture, food production, and their general participation in the economy. Communities surrounding them are equally in need of sustainable employment opportunities where valuable skills can be learned in order to provide for themselves and their families. This is what we strive to do to make a meaningful difference through our efforts.”

 

WATCH: Carien Denner from the UFS Department of Consumer Sciences serves on the management team of the Community Gardens Food Security project as well as the Ruforum Wool project, where she strives to enhance the livelihoods of communities. 

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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