Wych, R D <br/><br/>
Simultaneous measurement of nitrogen fixation estimated by acetylene-ethylene assay and nitrate absorption by soybeans.  [electronic resource] 

 -  Plant physiology  Sep 1978 
 - 443-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-0889 
<br/><br/><label>Standard No.: </label>10.1104/pp.62.3.443  doi