Karaçal, İlhan. <br/><br/>
Toprak verimliliği / 
İlhan Karaçal . 
 - 1st ed. 
 - Ankara :  Nobel ,  2008 . 
 - 222 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9786053951339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation
<br/><br/><label>LC Class. No.: </label>S592.5