Oaks, A <br/><br/>
The role of nitrate and ammonium ions and light on the induction of nitrate reductase in maize leaves.  [electronic resource] 

 -  Plant physiology  Dec 1988 
 - 1067-72 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-0889 
<br/><br/><label>Standard No.: </label>10.1104/pp.88.4.1067  doi