Pinkovskyi, Hennadii, and Semen Tanchyk. “Dynamics of the Availability of Available Moisture in Soil by Optimization of Sowing Time and Density of Statement of Sunflower Plants in the Right-Bank Steppe of Ukraine”. Technium: Romanian Journal of Applied Sciences and Technology 2, no. 3 (May 8, 2020): 68–77. Accessed March 2, 2021. https://techniumscience.com/index.php/technium/article/view/556.