TY JOUR TI SOIL AGROPHYSICAL CHARACTERISTIC OF SECOND GROWTH ASPEN WOODS IN SOUTH ANGARA REGION KW native pine forest stand KW second growth young and middle-aged aspen woods KW sod-podzolic soil KW agro-chemical and agro-physical indices JO Bulletin of KSAU AU Tarasov, P.A. AU Tarasova, A.V. PY 2013 IS PB Krasnoyarsk State Agrarian University