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The Changing Fertiliser Industry, Edgar Noel Fitzpatrick
The Changing Fertiliser Industry, Edgar Noel Fitzpatrick
Journal of the Department of Agriculture, Western Australia, Series 4
Background to current developments in the Australian fertiliser industry.
FOR many years superphosphate was the basic fertiliser used by most farmers in Western Australia.
During the 1950's some farmers began to use sulphate of ammonia, and recently urea and anhydrous ammonia have become important.
Why Australia Needs Plant Quarantine, A T. Gulvin
Why Australia Needs Plant Quarantine, A T. Gulvin
Journal of the Department of Agriculture, Western Australia, Series 4
LATE blight of potatoes in 1830, powdery mildew of grapes in 1847, phylloxera in 1861, downy mildew in 1875, and black rot in 1838 . . . It was this grim list of plant disease epidemics in Europe that forced Governments to protect plants by quarantine.