| They'll also cover new opportunities for earning income from farmland, such as carbon sequestration and growing switchgrass as a biofuel crop. |
| More energy was also required to produce fuels from switchgrass, wood chips, and sunflower plants than their respective fuels generate. |
| In southwestern Missouri, switchgrass and caucasian bluestem are used by beef producers to supplement the tall fescue. |
| Examples include plastics made from soybeans, building materials made from corn stalks and fuels made from switchgrass. |
| These include products made from the switchgrass and wood chips mentioned in President Bush's address. |
| Growing switchgrass, one of the new papers in Science shows, creates a carbon debt of 52 years. |
