TY - RPRT TI - Novel approach for computing photosynthetically active radiation for productivity modeling using remotely sensed images in the Great Plains, United States AU - Ramesh K. Singh AU - Shu-Guang Liu AU - Larry L. Tieszen AU - Andrew E. Suyker AU - Shashi B. Verma PY - 2012 DO - 10.1117/1.jrs.6.063522 UR - https://pubs.usgs.gov/publication/70042069 ID - 70042069 ER -