Detecting mineral nutrient deficiencies in tropical and temperature crops / edited by Donald L. Plucknett and Howard B. Sprague - viii, 553 p. : il. ; 22 cm. - Westview tropical agriculture series ; no.7 . ISBN: 0813300894 Subjects--Topical Terms: PATOLOGIA VEGETAL. Dewey Class. No.: 632.3 / De47