Residues from the production of corn (corn stover) and the production of wheat (wheat straw) are likely to be important sources of cellulosic material. These residues are already part of the production system and an increase in the use of reduced and no till practices could increase availability without affecting the amount of residues that need to be left in the ground for erosion control and soil sustainability. Burning wheat stubble is a common practice in certain regions of the country. This practice improves yield by reducing disease potential. Tillage use is changed from baseline to increase reduced and no-till for corn and wheat following the path listed in Table 4.
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