00451cam a22001577a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100002400102245007800126500006500204650002400269CHAP20220329140413.0971013s                r     00010     d  a51477  a52449  a56599  cCHAP00aSánchez, Pedro A.14aThe subhumid tropicsb: technology and management for rainted agriculture  aSobretiro de: Agricultural Sector Symposia. 1980 Proceedings14aSuelosxTrópicos.