| Micromorphology of organic matter in the Antarctic soils. R Ilieva, Z Vergilov, M Groseva | 18 | 2003 |
| Chernozems in Bulgaria–Systematic, Specific Features and Problems M Teoharov, T Shishkov, B Hristov, E Filcheva, R Ilieva, I Lubenova, ... Soil Science Agrochemistry And Ecology 48 (3-4), 2014 | 12 | 2014 |
| Determination of soil organic carbon using near-infrared spectroscopy M Todorova, S Atanassova, R Ilieva Agricultural science and technology 1 (2), 45-50, 2009 | 8 | 2009 |
| Morphology of soils from the Livingston Island, South Shetland Islands (the Antarctic) R Ilieva, M GROZEVA Bulgarian Antarctic Research. Life Sciences 2, 97-105, 1999 | 8 | 1999 |
| Micromorphology of organic matter in the soils in Bulgaria R Ilieva, E Filcheva J. of Arts and Science 14 (1), 691-699, 2012 | 7 | 2012 |
| On the diagnostics of peat soils in Bulgaria. T Boyadzhiev, E Filcheva, R Ilieva, S Puseva | 6 | 1992 |
| Soil organic matter of Bulgarian Chernozems E Filcheva, R Ilieva, I Lyubenova, B Khristov Soil Science Agrochemistry and Ecology (Bulgaria), 2013 | 5 | 2013 |
| Reference database for soils in Bulgaria M Teoharov, S Popandova, R Kancheva, T Atanasova, V Tsolova, ... N. Poushkarov Institute of Soil Science, Sofia. Bulgaria. Publ. House" Poni …, 2009 | 5 | 2009 |
| POPPY CULTIVATION IN BULGARIA, AND THE PRODUCTION OF OPIUM D Dalev, L Iliev, R Ilieva Bulletin on Narcotics 12 (1), 25-36, 1960 | 4 | 1960 |
| Characterization of humic system in fertilizer raw materials E Filcheva, R Ilieva, K Chakalov, T Popova, V Savov, M Hristova Journal of Agricultural Science and Technology A 7 (1), 11-17, 2017 | 3 | 2017 |
| Adsorption of Cu by smectite and kaolinite clays from natural deposits in Bulgaria. I Atanassova, R Ilieva | 3 | 2003 |
| To the diagnostics and the classification of meadow-boggy soils with high organic matter content. E Filcheva, S Rousseva, R Ilieva, S Nedyalkov, I Iliev | 3 | 1998 |
| Destructive and undestructive methods for studying organic matter of soils in Bulgaria R Ilieva, E Filcheva, I Iliev, M Todorova Soil Water J 2, 1183, 2013 | 2 | 2013 |
| Some peculiarities on genesis and classification of cinnamonic forest soils in Bulgaria. I Kolchakov, T Shishkov, R Ilieva | 2 | 1998 |
| Characterization of humic system in fertilizer row materials. E Filcheva, R Ilieva, K Chakalov, T Popova, V Savov, M Hristova | 1 | 2016 |
| Rapid prediction of available K content in soil using near-infrared spectroscopy M Todorova, S Atanassova, M Gergikova, R Ilieva Anadolu Tarım Bilimleri Dergisi 25 (3), 199-203, 2010 | 1 | 2010 |
| Humus status influence on the spectral characteristics of soil R Ilieva, I Iliev Publicatiile Societatii Nationale Romane pentru Stiinta Solului (Romania) 29, 1997 | 1 | 1997 |
| Micromorphology of young soils on technogenic landscapes. R Ilieva, M Grozeva Study, conservation and utilisation of forest resources. Proceedings of the …, 1996 | 1 | 1996 |
| Humus state of the main soil types in North Bulgaria. RS Ilieva, LA Grishina | 1 | 1986 |
| Umbrisols formation in the region of Botev peak and Golyam Kademlia peak in the Balkan mountains. N Achkov, S Nedyalkov, I Iliev, N Popov, R Ilieva | | 2018 |
Biser HristovAssociate professor of Soil Science, at University of Forestry, Sofia, BulgariaПотвърден имейл адрес: ltu.bg
