title: Opanasenko N. Е. Skeletal soils and fruit cultures. – Kherson, 2014. – 335 p.
abstract: A number of slices of roots of fruit and nut cultures are thoroughly analysed in the paper. The architectonic schemes of plant root system along the profile are presented. In the gardens for the each breed of the growing cultures the test indexes of terms of their optimal growing are given, namely on the dense underlying rocks, in plantaged conditions, in the conditions of buried humus horizons. The power of root systems is examined, depending on the degree of fine earth and humus reserves. The 
journal: Fundamental and Applied Soil Science