TY JOUR TI The value of primary tillage in the development of plant trees and shrubs KW soil KW moisture KW hardness KW depth of processing KW crumbling KW a lump-stost KW survival KW development of crops. JO Forestry Engineering Journal PY 2015 IS 5 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov