TY - BK AU - Traxler,G. AU - Byerlee,D. TI - Crop management research and extension: the products and their impact on productivity T2 - CIMMYT Economics Paper SN - 968-6127-72-0 PY - 1992/// CY - Mexico PB - CIMMYT, KW - Crop management KW - AGROVOC KW - Innovation adoption KW - Models KW - Production costs KW - Technology transfer KW - Farming systems N1 - Open Access; Tables, graphs, references p. 50-55 UR - http://hdl.handle.net/10883/890 ER -