Chernozems in Bulgaria Systematic, Specific Features and Problems
M. Teoharov,
Toma Shishkov,
Boyan Alexandrov Hristov,
Е. Filcheva,
Rositsa T. Ilieva,
I. Lubenova,
Ю. Є. Кирилов,
G. Dimitrov,
Veneta Krasteva,
B. Georgiev,
Bulgarian Journal of Soil Science, Agro-chemistry and Ecology · 2017 · 10 citations · 0 references