Fig. 4From: Non-destructive estimation of field maize biomass using terrestrial lidar: an evaluation from plot level to individual leaf levelVariable importance analysis for a the SMR model, b the ANN model, and c the RF model at plot level. Note that H84, Hmax, Hmean, PLA, PAI, and 3DPI represent the 80% quantile height, max point height, mean point height, projected leaf area, plant area index, and three-dimensional profile index, respectivelyBack to article page