The effect of light intensities on morpho-physiological and biochemical of black pepper (Piper nigrum L.)Issukindarsyah, Endang Sulistyaningsih, Didik Indradewa and Eka T. Susila PutraE3S Web Conf., 306 (2021) 01009DOI: https://doi.org/10.1051/e3sconf/202130601009