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SUMMARY An application of linear programming to the planning of forest road construction is illustrated. Movement of earthworks from regions of excess cut to regions requiring additional fill is analysed as an allocation problem and an optimal solution is obtained by linear programming. The use...
SUMMARY The shape of mild fires is a fundamental consideration when developing a lighting technique for controlled burning. The study reported in this paper was undertaken to see whether further improvements could be made in a method of lighting commonly employed in the jarrah forest of Western...
SUMMARY Experiments to test the effect of herbicides, and methods of application, on jarrah (Eucalyptus marginata Sm.) poles are described. The treatment ‘plots’ in the experiments consisted of sets of individual stems selected at random from the study area. The translocation of herbicides via...
The present distribution of Ips in Australia and the probable reasons for it are discussed, and the effect of the thickness of the Lark of the host on the patterns of attack and the development of the brood are examined.
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