“They take into consideration [when selecting seed] a multitude of factors which vary annually, including soil type, elevation, and temperature,” according to the study done by Barbara A. Schaal, Ph.D., the Mary-Dell Chilton Distinguished Professor of biology in Arts & Sciences at Washington University in St. Louis, and her colleagues at Chiang Mai University in Thailand.How do soil type and elevation vary annually?
Saturday, August 08, 2009
Sharp Phd's
I wonder what went wrong in this quote--it can't be taken literally (from a Treehugger article on how Thai rice farmers preserve genetic diversity):
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