HALLO ZALUB WE START USING THE HANDHELD INFRARED THERMOMETERS TO MEASURE LEAF TEMPERATURE ON MAIZE. BECAUSE OF PRACTICAL PROBLEMS WITH THIS APPROACH WE DECIDE TO GET A COMPANY TO BUILD US A INFRARED LEAF CANOPY MONITOR SYSTEM. OUR SYSTEM HAVE 16 INFRARED EYES AND A DATA LOGGER. ONCE A WEEK DATA IS TRANSFERED TO A LAPTOP. WE USED THE MEAsurements FOR WATER STRESS TRIALS. REGARDS ANDRE