3 农情信息采集,3-1 RS技术在精确农业中的应用,伪彩色图像,The images were acquired by the Daedalus sensor aboard a NASA aircraft flying over the Maricopa Agricultural Center in Arizona.,2,作物生长情况,3,The image shows the color variations determined by crop; Normalized Difference Vegetation Index”, or NDVI), where dark blues and greens indicate lush vegetation and reds show areas of bare soil.,土壤水分分布,4,The image is a map of water deficit, derived from the Daedalus reflectance and temperature measurements. Greens and blues in
