ABSTRACT

MZ Management zone NDRE Normalized di¦erence red edge NDVI Normalized di¦erence vegetative index NIR Near infrared NNI Nitrogen nutrition index OMNBR Optimal multiple narrow band re¨ectance index OSAVI Optimized soil-adjusted vegetation index PRI Photochemical re¨ectance index PSII Photosystem II R Red wave band REDVI Red-edge di¦erence vegetation index REIP Red-edge in¨ation point RERDVI Red-edge renormalized diffe ence vegetation index RERVI Red-edge ratio vegetation index RESAVI Red edge soil-adjusted vegetation index RVI Ratio vegetation index SAVI Soil-adjusted vegetation index SWIR Shortwave infrared TCARI Transformed chlorophyll absorption re¨ection index TIR Ÿermal infrared UAV Unmanned aerial vehicle UV Ultraviolet VIS Visible VRT Variable rate technology

Acronyms and Defin tions .................................................................................................................161 7.1 Introduction .............................................................................................................................162 7.2 Precision Farming ...................................................................................................................162 7.3 Management Zones .................................................................................................................163 7.4 Irrigation Management ...........................................................................................................163 7.5 Crop Scouting ...........................................................................................................................163 7.6 Wavelengths and Band Ratios of Interest in Precision Farming......................................164 7.7 Nutrient De¤ciencies ...............................................................................................................166 7.8 Insect Detection .......................................................................................................................168 7.9 Disease Detection ....................................................................................................................168 7.10 Weed Detection ........................................................................................................................169 7.11 Machine Vision for Weed Discrimination ..........................................................................170 7.12 Remote Sensing Platforms ......................................................................................................170 7.13 Knowledge Gaps ......................................................................................................................172 7.14 Conclusions...............................................................................................................................173 References .............................................................................................................................................173