Havlin ,J.L <br/><br/>
Soil fertility and fertilizers :  an introduction to nutrient management / 
John L. Havlin, James D.Breaton, Samuel L.Tisdale(et al) 
 - 7th ed. 
 - New Jersey   Pearson Prentice Hall  2005. 
 - xi, 515 p. :  ill. ; Hbk  
<br/><br/><label>ISBN: </label>0130278246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.<br/>Soil fertility.<br/>Crops--Nutrition.
<br/><br/><label>LC Class. No.: </label>S633.S715  / 2005