Fecha de publicación: 04/01/2007 Fuente: Wipo "precision agriculture" A system and method of monitoring plant conditions is disclosed where an optical element is enabled to collect incident light reflected from a plant, an optical bandpass filter is enabled to eliminate wavelengths of the incident light outside a plurality of desired spectral bands, and a spectrum capture element is enabled to capture the plurality of desired spectral bands, wherein the optical element, the optical bandpass filter, and the spectrum capture element operate to monitor plant conditions.