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abundant plant growth agricultural colleges air and water ammonia Ammonium Sulphate amount anthracite coal bacteria become exhausted become soluble bituminous coal C. A. WILLMARTH COMPANY calcium and phosphorus calcium carbonate Carbonized Peat Fuel cells Cent Per Cent chemical elements commercial fertilizers condenser and purifier decayed vegetation desired dried drums dry Peat dryer farm farmer flocculate the soil furnish heat units high grade fuel humic acid hydrogen hydrogen and oxygen lack of Humus large quantities leaching legumes lime limestone or marl machinery magnesium carbonate manufacture Matter Mineral Matter Matter Nitrogen Phosphoric Mineral Matter Nitrogen nature of Peat nitrifier Nitrogen Phosphoric Acid organic matter Humus Organic Matter Mineral overcome oxygen Paraffin wax Peat Carbonizing Machine Peat Humus plant food potash produce profitable properly treated protein substance purposes soot and clinkers supplied with humus Table showing analysis tained Thomas slag vast Peat bogs WILLMARTH COMPANY TECUMSEH wood alcohol worn out soils