Gray, Robert C. <br/><br/>
Foliar fertilisation with primary nutrients during the reproductive stage of plant growth 

 - (Muscle Schoals, Ala., :  Tennessee Valley Authority),  (1977) 
 - 23 p.  ; gráfs 
 - Tennessee Valley Authority. Proceedings  ; 164 .
 - Tennessee Valley Authority. Proceedings  ; 164 .
<br/><br/><label>LCCN: </label>15152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilización foliar.