| http://www.w3.org/ns/prov#value | - While these targets are difficult, they are attainable goals for the following reasons: (1) productivity will almost certainly continue to increase, so more plant material will be produced from less land, (2) food/ feed ingredients such as protein will be coproduced with some of the herbaceous energy crops (like alfalfa), and (3) use of agricultural wastes as raw materials for biobased products wi
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