Figure 6From: Unmanned aerial platform-based multi-spectral imaging for field phenotyping of maize a Variation of crop senescence under various N rates and b relationship with NDVI extracted from multispectral images taken with the UAP. Replicated data from 10 hybrids and 6 N-application rates were used (**P ≤ 0.01). The dashed lines represent the 95% confidence intervals.Back to article page