00585     2200157   4500001002100000005001500021035002000036084002000056100004300076245010800119260008700227300001900314650006600333856001500399990001300414INLIS00000000000480920241107023215  a0010-1124000151  a633.18(5) INT f0 aInternational Rice Research Institute,1 aFarm-level constraints to high rice yields in Asia : 1974-1977 /cInternational Rice Research Institute  aLos Banos, Laguna, the Philippines :bInternational Rice Research Institute,c1979  a411 p. ; 23 cm 4aFARM-LEVEL, CONSTRAINTS, YIELDS, ASIA, 1974-77, RICE BREEDING  aBBPSI Padi  a132/1980