@article{article_137621, title={Soil Tillage System and Mineral Fertilization – Essential Elements from the Agrotechnology of Sustainable Productivity}, journal={Tarım Makinaları Bilimi Dergisi}, volume={5}, pages={477–486}, year={2009}, url={https://izlik.org/JA64AN79ZT}, author={Nankova, Margarita and Yankov, Peter}, number={4}