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Graceland University - 2012FA2 | ||
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 | Toward Sustainable Agricultural Systems in the 21st Century (1st Edition) by National Research Council (U. S.), Division On Earth, Life Studies, Board On Agriculture, Natural Resources Paperback, 598 Pages, Published 2010 ISBN-10: 0-309-14896-0 / 0309148960 ISBN-13: 978-0-309-14896-2 / 9780309148962 In the last 20 years, there has been a remarkable emergence of innovations and technological advances that are generating promising changes and opportunities for sustainable agriculture, yet at the same time the agricultural sector worldwide faces numerous daunting challenges. Not only is the agricu | |