Regulation of EGTA on Cd and Nutrient Elements Accumulation in Ricinus communis under Cd Stress Regulation of EGTA and Tartaric Acid on Cd Stress and Accumulation in Ricinus communis L. Chemical constituents from roots of Ricinus communis Chemical constituents from roots of Ricinus communis Genetic Analysis of Traits Related to Plant Height in Ricinus communis L. Based on QTL Mapping Responses of Water Uptake Process and Germination of Castor Seeds to Salinity Stress