Zimmer, Gary F <br/><br/>
Advancing bilogical farming  practicing mineralized, balanced agriculture to improve soils & crops 

 - Texas.   : Acres.  2011. 
 - xiv,241p.   : ill.    ; 23cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-1-60173-019-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Biological farming<br/>Soil science<br/>Fertilizers and nutrition
<br/><br/><label>LC Class. No.: </label>S600.5.Z562