Havlin, John, <br/><br/>
Soil fertility and fertilizers :  an introduction to nutrient management / 
 Introduction to nutrient management 
John L. Havlin, and three others. 
 - 8th ed. 
 - Upper Saddle River, N.J. :  Pearson,  2013. 
 - vii, 516 pages. :  illustrations., maps ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Basic soil-plant relationships -- Soil acidity and alkalinity -- Nitrogen -- Phosphorus -- Potassium -- Sulfur, calcium, and magnesium -- Micronutrients -- Soil fertility evaluation -- Basics of nutrient management -- Nutrient interactions and economics -- Agricultural productivity and environmental quality. 
<br/><br/><label>ISBN: </label>9780135033739  RM536.61 013503373X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.<br/>Soil fertility.<br/>Crops--Nutrition.