The Chain Scythe, a Simple Tool for Controlling Aquatic Weeds in Irrigation Canals
作者:
A.H. Druijff,
期刊:
PANS Pest Articles & News Summaries
(Taylor Available online 1973)
卷期:
Volume 19,
issue 2
页码: 216-218
ISSN:0030-7793
年代: 1973
DOI:10.1080/09670877309412758
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Use of the chain scythe for aquatic weed control in irrigation canals in developing countries is described. Each weeding operation involves comparatively little effort and cost, although regular weeding rounds are necessary to maintain control. The optimum interval between operations depends on local conditions. On the basis of a calculation given in the paper, the costs of cleaning canals can be estimated.
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