Results 211 to 220 of about 14,814 (252)
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The Opium Poppy: The Forbidden Crop

Journal of Geography, 1974
Abstract Although the cultivation of the opium poppy and the use of its narcotic derivatives have been an integral part of many cultures throughout history, it is only in recent years that the impact of the opium trade has aroused great interest in the United States. The opium trade involves two geographical systems.
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Opium poppy

Ashish Srivastava   +3 more
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The Opium Poppy

Scientific American, 1876
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Papaver somniferum (Opium poppy)

2019
K. Subramanya Sastry   +4 more
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Configuration of reticuline in the opium poppy

Tetrahedron Letters, 1965
A.R. Battersby   +4 more
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