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06 March 2020 | Story Igno van Niekerk | Photo Igno van Niekerk
 Gert Marais looking at pecan leave_
Dr Gert Marais says the UFS is helping to ensure that the pecan industry not only survives but thrives.

“When opportunity knocks, you must jump. The more opportunity knocks, the more you should jump.” 

Look closely, and you will notice the rise in pecan-nut plantations as you travel through South Africa. Do not be surprised if you find that the UFS’s pecan-nut project – steered by Dr Gert Marais, Senior Lecturer in the Department of Plant Sciences – is associated with those pecans.

Main exporter
In an ever expanding and interconnected global economy, South Africa has joined the USA as main exporters of pecan nuts to China. We have several advantages; our seasons differ from that of the USA, and we have the benefit that we are harvesting and exporting pecan nuts at the time when they are most popular at Chinese festivals and events.

Although it takes a long time to grow pecan trees (seven to eight years before they start producing), the long wait has extensive benefits. Dr Marias explains: “Unlike other crops, you do not have to prepare the soil and plant new crops annually. Rather than re-investing, you only need to do proper maintenance. Once planted, the pecan trees can produce for generations to come. And the UFS is involved in ensuring that the pecan industry not only survives but thrives.”

Empowering farmers
As the pecan industry in South Africa grows, new challenges are identified. Some trees suffer from a condition called overall decline, others from scab, and some others are infested by combinations of fungi not found in other countries. Dr Marais and his team have filed several ‘first reports’ of combinations between pecans and pathogens, leading to opportunities for MSc research projects and making a difference in the industry.

Dr Marais undertakes six field trips per year to visit all the production areas in South Africa, share information at farmer’s days, arrange courses to ensure best practices with regard to pecan cultivation; students also use these visits to collect samples for their research. Due to the systemic collaboration between the private sector and the university, farmers are empowered to manage their pecan crops better, the university benefits from cutting-edge research, and South Africa becomes a stronger player in the international economy.

Opportunity is knocking. And the UFS is jumping.

News Archive

Research at the UFS on the acceptability and modern use of earth building in newly settled urban areas can help the poorest of the poor to acquire hou
2003-08-26

The University of the Free State and the Technische Universiteit van Eindhoven in the Netherlands received a research bursary of R316 000 from SANPAD (South African Netherlands Research Programme on Alternatives in Development).

The aim of the research is to determine the public acceptability of sustainable, high quality, earth constructed public and private buildings as an alternative to the conventional way of building with bricks and steel.

“European countries like the Netherlands are far advanced with studies in earth construction and this is why the partnership was formed with the Technische Universiteit van Eindhoven,” says Prof Das Steÿn, Head of Urban and Regional Planning at the UFS and project leader.

Although research regarding mapping, typology and availability of natural and local resources has been done on a national level, little research has been done on the acceptability and the modern use of earth building in newly settled urban areas.

“South Africa has a large housing shortage and traditional methods such as earth building techniques are not used in urban informal housing. Preference is given to corrugated iron sheets and plastic,” says Prof Steÿn.

The use of upgraded earth construction might be more sustainable as far as the environment and the economy is concerned. “If we can make a breakthrough in the development and propagating of these methods it will help the poorest of the poor to acquire housing of a better quality.”

The research team from the UFS consists of Prof Steÿn, Ms Petria Jooste-Smit, Head of the Unit for Earth Construction in the Department of Architecture and Mr Gerhard Bosman of the Department of Architecture.
 

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