Irrigation management for diversified cropping in rice-based systems in the Philippines text Colombo IIMI 1992 Ind xvi, 74 p.: ill.; 20 cm.-- xvi, 74 p.: ill.; 20 cm.-- VALERA, Alfredo IRRIGATION SYSTEMS PHILIPPINES ORYZA SATIVA 633.18-167 92-9090-142-X INLIS000000000003418 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)