%0 Journal Article %T Resource-saving technology for restoration and cultivation of oak groves by crops %A Khripchenko, M.. %K energy-saving technologies, seed crops, forest culture, technology, the combined device %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 2 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov