TY - PRO AU - Saunders,D.A. AU - Klatt,A.R. TI - Characterization of tropical wheat environments: Identification of production constraints and progress achieved: South and Southeast Asia U1 - 631.5 PY - 1988/// CY - Mexico, DF (Mexico) PB - CIMMYT KW - Crossbreeding KW - Environment KW - Germplasm KW - AGROVOC KW - Paddy soils KW - Sowing KW - Wheat ER -