Havlin, John Soil fertility and fertilizers : an introduction to nutrient management John L. Havlin ... [et al.] - 7th ed - Upper Saddle River, NJ Pearson, Prentice-Hall of India c2005 - xi, 515 p. : ill. ; 27 cm Includes bibliographical references and index ISBN: 9780130278241 ISSN: 2004044751 Subjects--Topical Terms: Crops - NutritionFertilizersSoil fertility Dewey Class. No.: 631.8 HAV