Chemist
USDA - ARS
USDA, REE, ARS, NAA, ERRC, ERRC, 600 E. Mermaid LaneWyndmoor, PA, 19038-8598
(215) 233-6422
Yiping.He@ars.usda.gov
http://www.ars.usda.gov/pandp/people/people.htm?personid=40831