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Weed biological control: Challenges and opportunities
January 29, 2020
Michael Day and Arne Witt have just published ‘Weed biological control: Challenges and opportunities’ in the first edition of a new journal, Journal of Asian-Pacific Weed Science Society. Their paper traces the history of weed biological control and points to the many successes.
Eucalyptus – the ‘thirsty’ trees threatening to ‘drink’ South Africa dry
January 21, 2020
Eucalyptus species are widely grown and utilized throughout much of the world, Dr Arne Witt reports. They are a valuable source of timber, fuelwood, paper, nectar, etc. and as such often grown in woodlots and plantations. However, many of these introduced species have escaped cultivation and become invasive.
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