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The Hunter Valley cannabis infestation was an infestation of the marijuana plant, ''Cannabis sativa'' in the Hunter Valley in New South Wales, Australia. At its peak, the infestation covered about . It took nine years for the New South Wales government to eradicate it.〔(''The Eradication of Cannabis sativa L. with Herbicides in the Hunter River Valley, N.S.W., Australia'', United Nations Office on Drugs and Crime )〕 ==History== The Hunter Valley is a fertile agricultural region situated on the east coast of Australia, approximately north of Sydney. Due to a mild climate, an abundance of water and alluvial soils, the area is well known for its wine production, lumber, dairy farming and poultry industries. The Hunter River flows through Singleton, and empties into the Pacific Ocean at the city of Newcastle. ''Cannabis sativa'' seeds first arrived in Australia in 1788 on the First Fleet at the request of Sir Joseph Banks.〔''The Sydney Connection'' Jiggens, John 2004〕 The blueprint for the New South Wales colony, approved by the British Cabinet in 1786, envisaged Australia as a commercial colony producing hemp.〔 In 1892, the Department of Agriculture distributed ''Cannabis sativa'' seeds to hundreds of farmers in New South Wales as an experiment in the cultivation of hemp due to the high prices of binding-twine at the time.〔The Agricultural Gazette of New South Wales ''Notes on Experiments with Hemp (Cannabis Sativa) in New South Wales'' G. Valder〕 From 1840 to the early 1900s, Australians used cannabis as a medicinal herb and Cigares de Joy (cannabis cigarettes) were sold over the counter.〔(Schaffer Library of Drug Policy ''Cannabis in Context: History, Laws and International Treaties'' )〕 The Single Convention on Narcotic Drugs, an international treaty adopted in 1961, broadened the scope of controlled substances to include Cannabis sativa. Due to rising drug use among young people and within the counter-culture movement, government efforts to enforce prohibition were strengthened in the 1960s. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hunter Valley cannabis infestation」の詳細全文を読む スポンサード リンク
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