1. National Agricultural Statistics Service,U.S. Department of Agriculture,Washington,USA
2. University of Hawai‘i at Mānoa,Department of Geography and Environment,Honolulu,USA
3. Colorado State University Fort Collins,Department of Electrical and Computer Engineering,USA
4. University of Hawai‘i at Mānoa,Department of Tropical Plants and Soil Sciences,Honolulu,USA
5. National Oceanic and Atmospheric Administration College Park,Center for Satellite Applications and Research,USA