The Spraying of Plants: A Succinct Account of the History, Principles and Practice of the Application of Liquids and Powders to Plants, for the Purpose of Destroying Insects and FungiMacmillan and Company, 1896 - 399 sider |
Andre udgaver - Se alle
Almindelige termer og sætninger
acid affected Agric ammonia amount anthracnose appear apple applied arsenic arsenites attacked beetle black rot boiling Bordeaux mixture brown Bull canker-worm carbonate of copper causes caustic cent color copper carbonate copper compounds copper sulphate crop curculio d'Ag Description destroyed destruction diluted dissolved downy mildew early eau céleste eggs are laid experiments foliage formula fruit fungi fungicide FUNGOUS DISEASES fungus gallons of water grape growers hellebore Ibid injury INSECT ENEMIES insecticide Jour kerosene emulsion kilos larvæ later leaves lime liquid London purple material method milk of lime Millardet mixed moth nozzle orchard ounces Paris green pear pest plants plum plum curculio poison potassium potato pounds powder Prat preparation pump pyrethrum Quicklime recommended remedy Rept resin Rust scale insects season seed soda solution of copper soon spores spots spray spring stems sulphate of copper sulphur tion treated Treatment trees vines wash whale-oil soap worms