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Published by Springer New York, 2011
ISBN 10: 1461389844ISBN 13: 9781461389842
Seller: moluna, Greven, Germany
Book Print on Demand
Kartoniert / Broschiert. Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. From the beginning of agriculture until about 1950, increased food production came almost entirely from expanding the cropland base. Since 1950, however, the yield per unit of land area for major crops has increased dramatically. Much of the increase in yie.