Pearse H L <br/><br/>
Growth substances and their practical importance in horticulture 

 -  1948 
 - p.  cm. 
 - Commonwealth bureau of horticulture and plantation crops, technical communications .
<br/><br/><label>Standard No.: </label>56811 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:933;1, H8