TY - RPRT TI - Monitoring Crop Yield in USA Using a Satellite-Based Climate-Variability Impact Index AU - Zhang, Ping AU - Anderson, Bruce AU - Tan, Bin AU - Barlow, Mathew AU - Myneni, Ranga PY - 2011 UR - https://ntrs.nasa.gov/citations/20120003720 ID - 20120003720 ER -