TY - SER AU - Guevara,E. AU - Jiménez,V.M. AU - Herrera,J. AU - Bangerth,F. TI - Effect of hydrogen cyanamide on the endogenous hormonal content of pea seedings (Pisum sativum L.) KW - ERVILHA KW - BIOLOGIA VEGETAL KW - HORMÔNIO ER -