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ITTO/IUCN guidelines for the conservation and sustainable use of biodiversity in tropical timber production forests
… and herbicide use • Promote research on alternative non-chemical methods for controlling pests and diseases in forest … Paper presented at the second International Forest Engineering Conference, 13–15 May, Växjö, Sweden. Estades, C. … meet to simultaneously display acoustical, visual or chemical signals to attract females for mating purposes …