McDowell, R W <br/><br/>
An examination of spin-lattice relaxation times for analysis of soil and manure extracts by liquid state phosphorus-31 nuclear magnetic resonance spectroscopy.  [electronic resource] 

 -  Journal of environmental quality   
 - 293-302 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0047-2425 
<br/><br/><label>Standard No.: </label>10.2134/jeq2005.0285  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Feces--chemistry<br/>Magnetic Resonance Spectroscopy--methods<br/>Phosphorus Isotopes<br/>Soil--analysis