00840nam a2200217ua 4500 AR-SsjUCA 20250716140443.0 250228s1969 xxu 000 0 eng d AR-SsjUCA spa AR-SsjUCA Physiological aspects of crop yield : proceedings of a symposium sponsored by the University of Nebraska ..[et al], Jan. 20-24,1969. Madison, WI : American Society of Agronomy : Crop Science Society of America, 1969. Bibliografía al final de cada capítulo. Anatomía de la planta 25797 Bioquímica 8256 Cultivos 24135 Fisiología vegetal 24141 Texto 24088 American Society of Agronomy. ASA. 25614 Crop Science Society of America. CSSA. 25615 16953 16953 0 0 0 0 CA CA 2014-10-11 0 581.19 PHYa Ej.1 XCA1594 2025-07-15 00:00:00 2019-10-08 2025-07-15 LB