At top of canopy, for uncovered and covered trees, the photosynthetically active radiation (PAR = 400–700 nm; µmol/m/s) wasquantified with a LI-190SA Line Quantum Sensor connected to a LI-1400 datalogger (Li-Cor Inc., Lincoln, Nebrasca, USA), from 05:00 h to 20:00 h, in a sunny day, on January 19, 2006.
At top of canopy, for uncovered and covered trees, the photosynthetically active radiation (PAR = 400–700 nm; µmol/m/s) wasquantified with a LI-190SA Line Quantum Sensor connected to a LI-1400 datalogger (Li-Cor Inc., Lincoln, Nebrasca, USA), from 05:00 h to 20:00 h, in a sunny day, on January 19, 2006.
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