Johnson, Samuel W.  1830-1909. <br/><br/>
How crops grow.  A treatise on the chemical composition, structure and life of the plant, for students of agriculture.  With numerous illustrations and tables of analyses. 
By Samuel W. Johnson. 
 - New York,  O. Judd Company,  1890. 
 - vi, 416 p.  front. (port.) illus., 11 pl.  19 cm. 
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<br/><br/><label>LCCN: </label>agr10000197  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Vegetable.<br/>Growth (Plants)
<br/><br/><label>LC Class. No.: </label>S585  / .J62