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This report described the results of the 1979 efforts on the Land Biomass program. The program is a long range research and development effort and the results described are preliminary. The overall objective of the program is to develop integrated processes including production, harvesting, and conversion, to produce methane from land-based crops that are cost-competitive on a commercial basis with alternative sources of energy. A program plan based largely on short rotation farming of herbaceous and woody biomass is described. Significant land related issues such as suitability and availability of land, and system parameters such as biomass productivity, methane yield, feedstock cost, unit product cost, and overall system efficiency are reviewed. Sixteen candidate species of woody and herbaceous biomass were selected based on certain selection criteria discussed in the report. Samples of these species were collected for composition analysis and to obtain experimental data on methane yields. Both the anaerobic digestion and thermal gasification techniques are being evaluated for the production of methane from biomass samples. (Kursetz)