Critical analysis of methods to estimate the fraction of …
Decagon's AccuPAR LP-80 PAR/LAI Ceptometer measures PAR using 80 individual sensors with a 180° field of view on a 1-m probe (Huemmrich et al., 2005; Senna, 2005; Steinberg et al., 2006; Thomas et al., 2006). The downward and reflected PAR fluxes at the top of canopy were measured by placing the probe approximately 1.5 m above the …