McKeown, Robert Bruce, author2007-01-032007-01-031926http://hdl.handle.net/10217/38495masters thesesengMaterial is believed to be in the public domain. However, other rights and restrictions may apply, such as privacy and publicity rights. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Agriculture -- Study and teachingText