Date of Birth: 02/19/1865
Place of birth: a. Nikitovka
He studied the effect of the forest on the hydrological regime. For the first time calculated the balance of moisture under forest and field, examined the impact on the forest habitat and causes treeless steppes.
He has made a significant contribution to the steppe afforestation. Developed a "tree-shrub" type plants, showed the value of the oak to create forest plantations in the desert, put forward the position of the significance of mycorrhiza for cultivation of oak and pine. He stresses the importance of soil worms and other burrowing in soil formation.
He introduced the concept of "Gley" which transliterated into English