TY - GEN AU - McDowell,R W AU - Stewart,I AU - Cade-Menun,B J TI - An examination of spin-lattice relaxation times for analysis of soil and manure extracts by liquid state phosphorus-31 nuclear magnetic resonance spectroscopy SN - 0047-2425 PY - 2006///0613 KW - Animals KW - Feces KW - chemistry KW - Magnetic Resonance Spectroscopy KW - methods KW - Phosphorus Isotopes KW - Soil KW - analysis N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.2134/jeq2005.0285 ER -