Soils and fertilizers. 

 - Oxon :  CAB International Information Services. 
<br/><br/><label>ISSN: </label>0038-0792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils -- Abstracts.--Soils -- Abstracts.<br/>Fertilizers -- Abstracts.--Fertilizers -- Abstracts.