na INLIS000000000006023 Ind 0010-1118006023 SELECTED papers from the International Rice Research Conference SELECTED papers from the International Rice Research Conference edited by J.K. Ladha; D.P. Garrity Los Banos IRRI 1994 195 p. : ill.; 23 cm 195 p. : ill.; 23 cm ISBN 971-22-0060-4 631.874 GREEN MANURES RICE FIELDS NUTRIENTS 300/97