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(with R.F.A. Murfitt). Some unanswered questions relating to the mechanical control of weeds in water channels. 1981. Proceedings Aquatic Weeds and their Control, 8794.
During the preparation of a feasibility study on the control of weeds in water channels carried out by the NCAE, a number of questions were raised, answers to which could have provided information for the development of novel, less energy demanding methods of weed control. The answers to many of these questions were not forthcoming and this paper highlights the problems with a view to stimulating further thoughts and research.