Estimation of biophysical and biochemical variables of winter wheat through Sentinel-2 vegetation indices. P Dimitrov, I Kamenova, E Roumenina, L Filchev, I Ilieva, G Jelev, A Gikov, ... Bulgarian Journal of Agricultural Science 25 (5), 2019 | 22 | 2019 |
Impacts of biogas digestate on crop production and the environment: a Bulgarian case study V Petrova, E Zlatareva, V Kolchakov, S Marinova, P Ivanov, N Kathijotes American Journal of Environmental Sciences 11 (2), 81-89, 2015 | 17 | 2015 |
Carbon, nitrogen and sulphur pools and fluxes in pyrite containing reclaimed soils (Technosols) at Gabra village, Bulgaria V Tsolova, V Kolchakov, M Zhiyanski Environmental Processes 1, 405-414, 2014 | 10 | 2014 |
Complex Assessment of Winter Wheat Growing Conditions in Northwestern Bulgaria V Kolchakov, M Kercheva, M Banov, V Krasteva, E Roumenina, ... International Soil Congress, 17-19, 2019 | 8 | 2019 |
Qualitative evaluation and within-field mapping of winter wheat crop condition using multispectral remote sensing data. E Roumenina, G Jelev, P Dimitrov, L Filchev, I Kamenova, A Gikov, ... Bulgarian Journal of Agricultural Science 26 (6), 2020 | 5 | 2020 |
Possibilities for biogas production from waste—potential, barriers, and legal notices V Kolchakov, V Petrova, T Mitova, P Ivanov, S Marinova Energy Solutions to Combat Global Warming, 181-191, 2017 | 5 | 2017 |
Organic carbon pools in reclaimed Technosols from Chukurovo mine region V Tsolova, S N Pushkarov, V Kolchakov, S N Pushkarov, M Hristova, ... Bulgarian Journal of Ecological Science (Bulgaria) 11 (3), 2012 | 3 | 2012 |
Agrochemical and chemical assessment of waste from livestock farms S Marinova, D Sticheva, E Zlatareva, V Petrova, V Kolchakov Energy solutions to combat global warming, 351-361, 2017 | 2 | 2017 |
Establishment of changes in the system “soil-fertilizer-plant” as a result of fertilization with sludge from wastewater treatment plant E Zlatareva, S Marinova, B Baykov, T Mitova, V Petrova, V Kolchakov Energy Solutions to Combat Global Warming, 339-349, 2017 | 2 | 2017 |
Winter Wheat Crop State Assessment, Based on Satellite Data from the Experiment Spot-5 Take-5, Unmanned Airial Vehicle Sensefly Ebee Ag and Field Data in Zlatia Test Site, Bulgaria E Roumenina, G Jelev, P Dimitrov, V Vassilev, V Krasteva, I Kamenova, ... Proc. of the Eleventh scientific conference with International Participation …, 2016 | 2 | 2016 |
Effect of organic and microbial amendments on the soil structure and properties of eroded Epicalcic Chernozem from northern Bulgaria G Kuncheva, M Kercheva, T Paparkova, G Petkova, K Nedyalkova, ... Euro-Mediterranean Journal for Environmental Integration 8 (3), 527-537, 2023 | 1 | 2023 |
Factors controlling water-stable macroaggregation of Kastanozems exposed to water erosion. G Kuncheva, M Kercheva, E Enchev, T Paparkova, V Kolchakov Bulgarian Journal of Agricultural Science 29 (2), 2023 | 1 | 2023 |
Chemical changes in soil using sludge as a soil improver at tree vegetation. V Kolchakov, P Ivanov, V Petrova | 1 | 2016 |
Evapotranspiration and Maize Productivity Characteristics Under Soil Erosion Control Technologies on Sloped Terrains G Kuncheva, I Ivanova, M Kercheva, V Kolchakov, E Enchev international conference on Mediterranean Geosciences Union, 141-144, 2022 | | 2022 |
Predicting of Soil Bulk Density Using Bulgarian Dataset M Kercheva, V Kolchakov, E Dimitrov, M Nenov, K Doneva, G Kuncheva international conference on Mediterranean Geosciences Union, 181-184, 2022 | | 2022 |
SWAT Model Application for Predicting of Water Erosion of Kastanozems Under Different Land Uses M Kercheva, M Mitova, V Stoinova, G Kuncheva, V Kolchakov international conference on Mediterranean Geosciences Union, 145-148, 2022 | | 2022 |
Suitability of agricultural land in Dobrich region for growing lavender. V Krasteva, V Stoinova, D Nekova, V Kolchakov | | 2020 |
Earthworms (Annelida: Lumbricidae) biodiversity affected by pyrogenic carbon emissions at the “Maritsa-Iztok” basin (Bulgaria) H VALCHOVSKI, V TSOLOVA, V KOLCHAKOV, P TOMOV ZooNotes, 2019 | | 2019 |
Land evaluation for fruits growing of eroded leached chernozems and Gray forest soils for the land of Tepava Vollage, Lovech district. V Kolchakov, V Krasteva | | 2016 |
Класификация на рекултивирани почви от района на мини Марица-Изток V Tsolova, M Banov, M Khristova, V Kolchakov | | 2010 |