TY  - RPRT
TI  - Fertilizer consumption and energy input for 16 crops in the United States
AU  - Sheila E. Amenumey
AU  - Paul D. Capel
PY  - 2013
DO  - 10.1007/s11053-013-9226-4
UR  - https://pubs.usgs.gov/publication/70192503
ID  - 70192503
ER  -