TY - PRO AU - Lafitte,H.R. AU - Edmeades,G.O. TI - Three cycles of recurrent selection in maize for performance under low N conditions PY - 1992/// CY - Madison, WI (USA) PB - ASA KW - Biomass KW - AGROVOC KW - Nitrogen KW - Plant growth substances KW - Yield factors KW - Zea mays N1 - Abstract only ER -