V. Kolchakov

Possibilities for Biogas Production from Waste—Potential, Barriers, and Legal Notices

V. Kolchakov, V. Petrova, T. Mitova, 2017 .

Establishment of Changes in the System “Soil-Fertilizer-Plant” as a Result of Fertilization with Sludge from Wastewater Treatment Plant

V. Kolchakov, V. Petrova, T. Mitova, 2017 .

Qualitative evaluation and within-field mapping of winter wheat crop condition using multispectral remote sensing data

M. Kercheva, P. Dimitrov, E. Roumenina, 2020 .

Estimation of biophysical and biochemical variables of winter wheat through Sentinel-2 vegetation indices

Lachezar Filchev, Georgi Jelev, Petar Dimitrov, 2019 .

Effect of organic and microbial amendments on the soil structure and properties of eroded Epicalcic Chernozem from northern Bulgaria

M. Kercheva, V. Kolchakov, K. Nedyalkova, 2023, Euro-Mediterranean Journal for Environmental Integration.

Carbon, Nitrogen and Sulphur Pools and Fluxes in Pyrite Containing Reclaimed Soils (Technosols) at Gabra Village, Bulgaria

M. Zhiyanski, V. Kolchakov, V. Tsolova, 2014, Environmental Processes.