Fuente: WIPO "tomato" A computer-implemented method is disclosed for controlling one or more luminaires that are configured to illuminate one or more plants with artificial light. The artificial light comprises a plurality of artificial light components. Each of the artificial light components is of a respective wavelength or wavelength range. The plurality of artificial light components comprises a first artificial light component of a first wavelength or wavelength range and a second artificial light component of a second wavelength or wavelength range. Further, sunlight is incident on the one or more plants. The sunlight comprises a plurality of sunlight components. Each of the sunlight components is of a respective wavelength or wavelength range. The plurality of sunlight components comprising a first sunlight component of the first wavelength or wavelength range and a second sunlight component of the second wavelength or wavelength range. The method comprises receiving a signal indicative of a non-spectrally resolved irradiance value of sunlight that is incident on the one or more plants.