Soil fertility and fertilizers :  an introduction to nutrient management / 
 Introduction to nutrient management 
John L. Havlin, James D. Beaton, Samuel L. and Werner L. Nelson 
 - 7th ed. 
 - New Delhi :  PHI Learning Private Limited,  2011. 
 - x, 515 p. :  ill., maps, plates ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788120330177 
<br/><br/><label>LCCN: </label>2013008153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.<br/>Soil fertility.<br/>Crops--Nutrition.
<br/><br/><label>LC Class. No.: </label>S633  / .SOI 2005