Kasetsart UniversityAphipan Pookpakdi2007-11-131997-04-012007-11-131982http://hdl.handle.net/10625/16381Text65 p. : ill.enMULTIPLE CROPPINGSUBSISTENCE FARMINGCROP YIELDFARMERSTHAILANDCULTIVATION PRACTICESTROPICAL ZONESUSTAINABLE AGRICULTURELEGUMINOSAEMultiple cropping : principles and practices to increase crop production for subsistence farmersWorking Paper