TY - JOUR AU - Moradi, R. AU - Afshari, H. AU - Masoud Sinaki, J. AU - Zadeh Bagheri, M. TI - Investigation effect of cultivar, planting date and humic acid on protein content, oil seed and chlorophyll content in (Ricinus communis L.) JO - Journal of Plant Ecophysiology VL - 6 IS - 18 SP - 80 EP - 90 PY - 2014 DO - ER -