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Crop Centers
Published in Botanical Gazette, in 1920, in volume 69, issue 4, pages 356
Created: 2017-03-14, modified: 2017-03-14
Castor Oil as a Crop
Published in Gardens' Bulletin, Straits Settlements, in 1920, in volume 2, pages 282-294
Created: 2018-12-18, modified: 2018-12-18
Hopi crop diversity and change
Published in Journal of Ethnobiology, in 1993, in volume 13, issue 2, pages 203-231
Created: 2016-06-26, modified: 2016-06-26