. Contribution à la question de l'azote. Nitrogen; Plants; Plants. Sable + acide pliosphovique + Sable + acide ph osphonque + potasse + azote, nifrù/ue. Sable + acide• phosphovique + potasse + axote ammoniacal'.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Petermann, Arthur Julius, 1845-1902. Bruxelles : F. Hayez

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1890