Fertilizer Resources of the United States

Acad acid phosphate Akad Alaria algæ algarum alginate alunite Amer ammonia ammonium analyses angew annual basins beds Bestimmung blade blue rock brown brown-rock Bull carbonate cent Chem Chemie containing cost County drying Egregia feet fertilizers Florida fronds Fucus genus Geol Geological gisements de phosphate holdfast industry iodine Island Jour kelp kombu L'Engrais Laminaria Laminariaceae lime limestone lixiviation maceration Macrocystis manufacture manure marine algae material method midrib miles mineral mining mucilage mucilage ducts Nereocystis Nereocystis luetkeana nitrogen North Pacific coast Paris Pelagophycus phos phosphate de chaux phosphate deposits phosphate rock phosphoric acid phosphorites Phosphorsäure plants pneumatocyst Postelsia potash potassium chloride pounds production Puget Sound quantity region saccharina saline samples Scotland seaweed Setchell shore sodium soil soluble sori South species sporophylls stipe sublittoral zone sulphate sulphuric acid superphosphate surface Survey Tennessee tons Trans Ueber