... pure carbon, and supplied withunlimited quantities of hydrogen, nitrogen,oxygen, and inorganic substances, and itwill not germinate; and a plant, whenplaced in similar circumstances, shows ... whichManures are applied Special andGeneral Manures Importance of thisdistinction Views regarding the Theoryof Manures Remarks on SpecialManures Action of Manures on theChemical and Physical ... acid and a metal, in the form ofa transparent gas, lighter than any othersubstance. It is very combustible, burnswith a pale blue flame, and is convertedinto water. It is found in all plants,although...