THE BALANCE OF NATURE The New Zealand Forest Service' S programme of planned forestry calls for the services of research entomologists. Their knowledge of the life-cycle and control of forest insects and diseases, which they study constantly, enables these scientists to check any insect species or any fungus that becomes active to the detriment of forest health_ It may be that a disease-causing insect population increases danger ously in a forest area. An adverse change of this kind in the balance of nature must be corrected in order to forestall a possible epidemic outbreak of disease among the trees. A method of combating a too-numerous insect population is to liberate another insect to prey upon it. It is the task of the Forest Research Institute to specify the type of insect para site needed, procure it_ ~perhaps import it and rear it in sufficient numbers for liberation in the affected area: In ways like this the Institute S scient- ists work to keep our forests sound by keeping nature in balance. Forestry is forever Inserted In the Interests of forest protection by the New Zealand Forest Service. FPAJ
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New Zealand Listener, Volume 39, Issue 988, 25 July 1958, Page 12
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188Page 12 Advertisement 3 New Zealand Listener, Volume 39, Issue 988, 25 July 1958, Page 12
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