1. Abdollahian-Noghabi, M., R. Sheikholeslami, and B. Babaee. 2005. Technical terms of sugar beet quantity and quality. Sugar Beet Journal 21: 101–104. https://doi.org/10.22092/jsb.2005.8201.
2. Anonymous. 2017. Annual agricultural statistics of Iran. Ministry of Jihad-e-Agriculture of Iran
3. Bahrami, M., and M. Honarvar. 2017. The effect of environmental conditions, planting and harvest time on the quantity and technological values of beet sugars cultivated in west part of Iran. Journal Food Technology Nutrition 14: 49–62.
4. Baraloto, C., and P.M. Forget. 2007. Seed size, seedling morphology, and response to deep shade and damage in neotropical rain forest trees. American Journal Botany 94: 901–911. https://doi.org/10.3732/ajb.94.6.901.
5. Chegini, M., Sadeghzadeh Hemayati, S., Khodadadi, S., Jalilian, A., and Matloubi, F 2015. ‘Quantity and quality of sugar beet seed.’ (Agricultural Research, Education and Extension Organization (AREEO). Sugar Beet Seed Institute (SBSI)).