1. Food or fuel: new competition for the world's cropland;Brown,1980
2. Arid land plants for fuel;Foster;J. Biomass,1983
3. Grass and herbaceous plants for biomass;Prine,1983
4. Catch crops for energy;Carruthers,1982
5. The utilization of residual nutrients in fallow vegetable fields for the production of herbaceous pytomass in west central Florida;Csizinszky,1985