Robert C. Clarke, Mark D. Merlin's Cannabis : evolution and ethnobotany PDF

By Robert C. Clarke, Mark D. Merlin

ISBN-10: 0520954572

ISBN-13: 9780520954571

ISBN-10: 1299713254

ISBN-13: 9781299713253

"'Cannabis: evolution and ethnobotany' is a complete, interdisciplinary exploration of the ordinary origins and early evolution of this recognized plant, highlighting its historical function within the improvement of human societies. hashish has lengthy been prized for the robust and sturdy fiber in its stalks, its safe to eat and oil-rich seeds, and the psychoactive and medicinal compounds produced by means of its girl plant life. The Read more...


hashish has been prized for the sturdy fiber in its stalks, and oil-rich seeds, and psychoactive and medicinal compounds produced by way of its lady plant life. This ebook comprises comprehensive, Read more...

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Chapter 4 also presents our hypotheses for the ancient use of Cannabis seed and fiber in fishing and the early relationships among humans, hemp, and horses tracing a series of phases of cultural dispersal of Cannabis from its Eurasian homeland to various regions of the Old World. In the prehistoric period this involved migrating nomads, who perhaps first spread it into China, India, Southwest Asia, Europe, the Mediterranean, and Africa. A six-­phase model is presented for the historical dispersal of Cannabis by humans.

After understanding the botany and ecology of Cannabis, including an identification of its closest botanical relatives, an analysis of the processes through which it reproduces, and an application of these parameters to ancient vegetation and climate reconstructions, then we can begin to comprehend its geographical and evolutionary origins (see Chapter 12 for discussions of climate reconstruction, refugia, and species formation). Many avenues must be explored during a thorough study of the origin and evolution of any cultivated plant.

Cannabis is generally a tall plant growing in open environments, and the extensive root system needs a friable but nutrient-­ rich soil to allow proper root growth, adequate drainage, and efficient uptake of vital soil minerals. Under natural conditions Cannabis grows best in sandy and loamy alluvial (river valley) soils, and these edaphic limitations help us determine its original geographical origin. Cannabis Origin and Evolution Studies Humans have been attracted to Cannabis for a very long time, resulting in its wide distribution and multiple uses.

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Cannabis : evolution and ethnobotany by Robert C. Clarke, Mark D. Merlin

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