Jacob, Arthur,  1886- <br/><br/>
Magnesium :  the fifth major plant nutrient / 
Arthur Jacob; tra nslated from the German by Norman Walker 
 - London :  Staples,  1958 
 - 159 p. :  plates, tables ;  22 cm. 
<br/><br/>Includes bibliographical references (p.149-159) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnesium<br/>Plants--Nutrition
<br/><br/><label>Dewey Class. No.: </label>581.13354 JAC