Mengel, Konrad Principles of plant nutrition Konrad Mengel and Ernest A. Kirby with the support of Harald Kosegarten and Thomas Appel. - New Delhi Springer 2001 - xiii, 849p.: ill.; 23cm. ISBN: 1402000081 Subjects--Topical Terms: Plant nutritions Fertilizers. Dewey Class. No.: 631.811 / M54P