Phosphate fertilisers 

 -  Scottish Agricultural Colleges (SAC),  1990 
 - SAC Technical Note,   No. TN75 SAC Fertiliser Series,   No. 16  .
<br/><br/><label>ISBN: </label>1854821814 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Phosphate
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Fertilizers, manures, soil conditioners