Watanabe, I. Biofertilizer germplasm collections at IRRI / I. Watanabe, P. A. Roger, J. K. Landha & C. Van Hove - Manila, Philippines : International Rice Research Institute (IRRI) , 1992 - v, 66p. : ill. ; 28 cm. Includes bibliographical references (p. 21). ISBN: 9712200256 Subjects--Topical Terms: Biofertilizer Gov. Doc. Class. No.: XZ IRRI Bio