TY - SER AU - Alejo,N.O. AU - Crocomo,O.J.(Centro de Energia Nuclear na Agricultura,Piracicaba,SP (Brazil)) TI - Biochemical and physiological aspects of sugarcane (Saccharum spp.)3: Influence of nitrate, ammonium and urea on the metabolism of nitrogen compounds in cv. NA 56-79 [cana de acucar, nitrato, amonia, ureia, nitrogenio, bioquimica] KW - BIOQUIMICA VEGETAL KW - CANA DE ACUCAR KW - COMPOSTO NITROGENADO KW - METABOLISMO VEGETAL ER -