"Stofwisseling." . . "Nitrógeno Fijación." . . "Plantas Metabolismo." . . "Fisiología vegetal." . . "Anatomi Fysiologi Morfologi Biologi" . . "Planten." . . "Plantes Métabolisme." . . "Stikstof." . . . . . . . . . "Nitrogen Metabolism in Plants" . . . . . . . . . . . "Nitrogen metabolism in plants" . "Nitrogen metabolism in plants"@en . . . . . . . "Nitrogen nutrition; Amino acid metabolism; Biosynthesis of amides and peptides; Protein and nucleic acid metabolism; Nitrogen metabolism in the intact plant." . . . . . . . . . . . . . . . . . . . . "Plants Metabolism." . . "Fitogeografía." . . "Nitrogen metabolism." . . "Nitrogen Metabolism." . "Azote Métabolisme." . . . .