Ayotade, K.A <br/><br/>
Effects of nitrogen on phosphorous, Iron and Zinc nutrition of rice in a nigerian vertisol/ 
K.A Ayotade 
 - Ibadan   University of Ibadan  1988 
 - xxix, 241p. :ill.  hbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Assimilation of Nitrogen -- Plant food -- Rice -- Nigeria.
<br/><br/><label>LC Class. No.: </label>QK898.N5.A9 1988