erosion control
Erosion control: Old tyres to the rescue
Old rubber vehicle tyres are super useful for controlling soil erosion in natural rangelands. Nobody likes the look of old vehicle tyres on a landfill or dumped somewhere in a backyard, but Ken Coetzee of Conservation Management Services in George in the Southern Cape makes use of old tyres[...]
Erosion control in Malawi part 5: How to deal with flat, bare areas
Erosion is caused when a lot of water runs over bare soil. Soil usually becomes bare because of overgrazing, which is caused when a farmer keeps more livestock than the land can support. If the farmer has no other land where the animals can graze, the vegetation doesn’t get[...]
Erosion control in Malawi Part 4: How to deal with steep slopes
Prevention is always better than cure. This is particularly true about soil erosion, where the slowing down of runoff water on a steep slope can prevent the formation of gullies and deep head-cuts. Figure 1: The manufacture of grass fence sections: 1 – Making the frame and 2 –[...]
Erosion control in Malawi: Part 2
In the previous issue of ProAgri Zambia and ProAgri BNZ we discussed the use of natural materials that are at hand to help control soil erosion caused by run-off water, whether caused by rain and floods, or excess irrigation water. These methods were used in Malawi by Ken Coetzee[...]