00516     2200193   4500001002100000005001500021035002000036245005600056110000900112300003200121260006400153082001100217084001700228020001800245650002500263650000900288650001600297990000900313INLIS00000000000077120211008024510  a0010-10210000441 aEfficiency Of Nitrogen Fertilizers For Rice /cIRRI0 aIRRI  avi, 260 hlm :bilus.; 22 cm  aPhilippines :bInternational Rice Research Institute,c1987  a631.81  a631.81 IRR e  a971-104-174-x 4aNitrogen Fertilizers 4aRice 4aAgriculture  a4003