Plant nutrition for food security  a guide for integraged nutrient management 
by R.N. Roy...[et. al.]. 
 - Rome  Food and Agriculture Organization of the United Nations  2006. 
 - xvi, 348p.  ills., charts  25 cm.--(FAO Fertilizer and Plant Nutrition Bulletin; no.16). 
 - FAO Fartilizer and Plant Nutrition Bulletin; no.16. .
<br/><br/>Bibliography : p.339-346. 
<br/><br/><label>ISBN: </label>9251054908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant nutrients.<br/>Food--Protein content.
<br/><br/><label>Dewey Class. No.: </label>631.81