Miroshnychenko, M. M., et al. “The Deep Fertilizers Placement Positively Effects on Their Agronomic Efficiency and Yield of Soybean and Sunflower on Chernozem”. AgroChemistry and Soil Science, vol. 94, Aug. 2023, pp. 4-14, https://doi.org/10.31073/acss94-01.