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SUMMARY In recent years Australia has imported considerable quantities of soft wood timber, a proportion of which has been found to be infested with various species of siricid wasps. In view of the difficulties associated with the adequate inspection of such imports by quarantine officers it is...
SUMMARY The topography, geology, soils, and climate of the western portion of Tasmania are briefly described. The forested area falls into two broad groupings, of which the temperate rain forest is economically the more important and silviculturally less tractable. There is a very scattered...
SUMMARY The 1951 work (Harding 1952) was continued in 1952 and in addition to corroborative work the effect of stratification was made clear. This paper shows firstly the danger of using unsuitable winnowers and secondly how inherent dormancy has clouded the issue, both in the past and in the...
SUMMARY Kerosene, adjusted to 15 and 20 per cent, aromatics, was tried as a weedicide at Gnangara Pine Nursery in 1951. Results were good with the 20 per cent. oil. Weeds concerned and general observations on initial work in 1951 and extended work in 1952 are given.
SUMMARY A comparison of mechanical properties of specimens of Pinus radiata grown in plantations in South Australia and in natural forest in California was made on unseasoned timber. Detailed results are presented and the general conclusion reached that only slight differences exist between...
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