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SUMMARY A trial involving several chemical weedicides is described. All except zinc sulphate were applied as pre-emergence contact sprays; zinc sulphate was applied to the soil following sowing of the slash pine seed. The mineral oils, “Vacuum” White Spirit (50 gal/ac) and “Sovacide P.Y.” (25...
SUMMARY Two experiments involving the use of White Spirit as a post-emergence weedicide in slash pine seedbeds are discussed. Three rates of application-were tested, 75, 50, and 35 gal/ac. Spraying was carried out without damage to pine seedlings except in one instance, where application made...
SUMMARY In a study made at Mount Stromlo Forest in 1955 it was found that the stability of slit-planted Pinus radiata 5 years of age and younger against wind pressure is largely dependent upon the nature and extent of its root system. The planted pines were generally found to have a shallow,...
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