Plans to examine erosion control
By
JANE DUNBAR
The North Canterbury Catchment Board is looking at measures to combat wind erosion on the Canterbury Plains.
Wind erosion was a serious problem last year, said a report before the board yesterday. Of 10 farms surveyed, half the paddocks which were in a vulnerable state lost about Icm to 2cm of topsoil. The low rainfall of 1988 and the strong northwest winds in October had aggravated
erosion. Arable - farming on the plains would always be at risk from wind erosion of the soil, but there were ways of controlling it, said the report. Increasing soil stability and surface roughness, maintaining an adequate vegetative cover and placing windbreaks at right angles to the north-west wind were all important
control measures. Promoting controls would help maintain the long-term productive capability of the soil, said the report. The board gave its approval for the preparation of a plan outlining steps to prevent erosion on Canterbury’s arable soils, beginning with the mixed cropping soils' of the plains.
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Press, 4 March 1989, Page 5
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171Plans to examine erosion control Press, 4 March 1989, Page 5
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