Effects of cadmium toxicity on sesame seed germination explained by various nonlinear growth models Ghasem Parmoon, Seyed Amir Moosavi, Adel Poshtdar and Seyed Ataollah Siadat OCL, 27 (2020) 57 Published online: 29 October 2020 DOI: 10.1051/ocl/2020053