This classification map shows the different types of plants in a crop field in various areas in Gauteng. The legend shows red for weeds, green for maize and yellow for mixed growth areas.
Farmers not only save time and money by cutting down the cost and effort required to manage weeds, but also limit the environmental impact of using harmful weed-killing chemicals by using satellite data and imagery.
In a first for precision agriculture, University of Pretoria (UP) researchers, in association with collaborators from the Council for Scientific and Industrial Research (CSIR), have produced maps of smallholder farms in Gauteng that highlight maize plants in green and weeds in red. The maps were shared with farmers to enable them to pinpoint and eradicate weeds with more precision.
RE.SEARCH 9 is our most novel edition yet. In it, we have featured research that encourages us to think afresh, and is doing so, we’ve highlighted new ways of looking at research. You can expect to read about research that has potential and promise for the future but which is still nascent or represents an educated guess. This edition also features a range of multimedia that you can immerse...
Young children in Krugersdorp are breathing in uranium, arsenic and mercury fumes wafting over from abandoned legacy mines, while pollutants are seeping into the groundwater and nearby dams and lakes, cautions Dr Alseno Kagiso Mosai, a water remediation expert at the University of Pretoria’s (UP) Department of Chemistry.
The mining companies responsible for the pollution are often nowhere to be seen, but many Acid Mine Drainage clean-up technologies do exist. Clean-ups should take place in order to protect the right of citizens to a healthy environment and clean water.
Copyright © University of Pretoria 2024. All rights reserved.
Get Social With Us
Download the UP Mobile App