IRRI2007-11-121992-04-012007-11-121991http://hdl.handle.net/10625/10273Text1 digital file (138 p. : ill.)Application/pdfenRICEPLANT PRODUCTIONCULTIVATION SYSTEMSCULTIVATION PRACTICESBHUTANAGRICULTURAL TRAININGPLANT GENETICSRESEARCH NEEDSANNUAL REPORTSAnnual technical report 1991 / Bhutan - IRRI Rice Farming Systems Project : phase IIWorking Paper