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SUMMARY A light defoliation of Alpine Ash (Eucalyptus delegatensis) by the phasmatid Didymuria violescens caused a significant reduction in diameter growth during two successive growing seasons. A relatively narrow band of late wood was produced in the year of defoliation (1964–65) and a...
SUMMARY The optimum financial rotations for radiata pine were compared with the optimum technical rotations for saw-timber and pulpwood. Within the limits of the data, and the analytical one-rotation method, the optimum financial rotations were between twenty-five and thirty-five to forty for...
SUMMARY A description is given of a technique for assaying the mycorrhizas found in a forest soil using a wet sieving method with two B.S.S. standard sieves of mesh size 0.066 and 0.0197 inches. Sampling is restricted to the top six inches of soil, from which the samples are collected with a...
SUMMARY The diagnostic features of some needle-cast and needle-blight fungi of pines, especially Dothistroma pini and Scirrhia acicola, are reviewed and compared.
SUMMARY Freshly cut stumps of manna gum (Eucalyptus viminalis Labill). were treated, by whole-stump spraying and by painting the cut surface only, with the weedicides Tordon 22K, Tordon 50D, and 2,4,5-T in each of three seasons (autumn, winter and summer). The starch content of the sapwocd was...
SUMMARY Field trials undertaken to determine the nutrient requirements of kauri pine (Agathis robusta C. Moore) on a lateritic podzolic soil in coastal south Queensland are described. The primary limiting nutrient was nitrogen and very little growth occurred unless this element was added....
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