Havlin, John L.  <br/><br/>
Soil fertility and fertilizers :   an introduction to nutrient management / 
John L. Havlin, Samuel L. Tisdale, Werner L. Nelson, and James D. Beaton 
 - Eight edition 
 - vii, 516 :  some colours, illustrations ;  28 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780135033739  (hardback) 013503373X (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Soil fertility<br/>Crops --Nutrition
<br/><br/><label>LC Class. No.: </label>S633   / S65