00544     2200169   4500001002100000035002000021245012000041100001400161260007200175300003100247084001700278650000900295650002500304650001000329650002200339990001300361INLIS000000000001057  a0010-0124000743  aSlash-and-burn rice systems in the Hills of Northern Lao PDR : description, challenges, and oppurtunitiescW. Roder  aRODER, W.  aLos Banos, PhilippinesbInternational Rice Research Institutec2001  avi, 20 p. : ills. ; 27 cm.  a633.18 ROD s  aRICE  aSHIFTING CULTIVATION  aHILLS  aNORTHERN LAO PDR.  a095/2002