Completed project funded by National Science Fund, Ministry of Education and Science

Contract DN 46/1 from 2020: “Efficiency of erosion control agrotechnologies for improvement of soil quality and water regime and mitigation of greenhouse gas emissions”.  Project leader Assoc. Prof. Viktor Kolchakov

Publications

Монография Колчаков и кол 2024

Factors controlling water-stable macroaggregation 2-08

Chemical and Biological Properties of the Eroded Soil in

Soil Properties and CO2 Emissions under Different

Tillage Systems

Evapotranspiration, development and productivity of wheat under different tillage systems on sloping terrains

Erosion Control Methods and Technologies as a Factor for Changes the Physical Properties of Calciс Chernozem in Wheat Cultivation

Study on the Impact of Erosion Control Technologies for
Growing Maize for Grain on CO2 Emissions

Промени на емисиите на парникови газове

Ерозионни показатели при различни системи на обработка.

SWAT Model Calibration, Validation

SWAT model application

Seasonal Variation of Hydraulic Properties 507_MedGU_2

Reclamation of degraded soils

Predicting soil bulk density

Influence of Soil Protection Technologies on the Values of some Erosion Indicators when Growing Corn for Grain on Sloping Terrain in the Ruse Region

Influence of Long-Term Mineral Fertilization on Soil Microbiota

Influence of Advanced Soil Protection Technologies on Soil Biota in Wheat Cultivation on Sloping Terrain

Impact of advanced soil conservation technologies for growing maize on sloping terrains on soil microbiota Evapotranspiration and Maize Productivity .

Enzyme activity Effects of soil protection tillage on some microbial parameters Effect of organic and microbial amendments on the soil structure

Economic Efficiency of Soil Protection Technologies for Minimum and Unconventional Tillage with Application of Manure, for Growing Wheat on Sloped Terrains

Economic efficiency of conservation practices involving a pre-crop in a wheat-maize rotation grown on sloping terrain

Presentations

Soil CO2 emissions, induced by different tillage operations 

Влияние на различни видове обработка на почвата върху емисиите на СО2

Загуба на почва и почвено органично вещество под влияние на водна ерозия

Технология за отглеждане на слънчоглед..Даниел Петров

USLE –Universal Soil loss Equation. Модел за оценка на риска от плоскостна водна ерозия.

Основни понятия и методи на изследване

Proceedings Soil Erosion Workshop 2022

Промени на емисиите на парникови газове, органично вещество и почвена микробиота

Оценка на компоненти на водния баланс на почвата и засушаване

Калибриране, валидиране и анализ на чувствителността на данни за речните оттоци при прилагане на модела SWAT-CUP, SUFI-2

Използване на модела SWAT за прогнозиране на ерозионни процеси на ниво водосбор

Ерозионни показатели при различни системи на обработка на почвата от стационарни изследвания, проведени върху Карбонатен Чернозем

Въглеродни емисии, въглеродно поглъщане и промяна в свойствата на почвата под влияние на различни системи за обработка

Валидиране на прогнозните повърхностни водни оттоци и ерозирана почва с модела SWAT

SWAT Model Calibration, Validation and Parameter Sensitivity Analysis Using SWAT-CUP, SUFI-2

SWAT model application for predicting of water erosion of Kastanozems under different land use

Soil thermal properties of Kastanozems from agricultural regions in North Bulgaria

Soil structural characteristics of Bulgarian soils under different land use

Seasonal Variation of Hydraulic Properties of Epicalcic Chernozem under Different Erosion Control Methods

Role of plant materials for improving of soil water retention properties

Risk analysis of simulated runoff and soil losses under winter wheat and maize within the Rusenski Lom watershed

Predicting of soil bulk density using Bulgarian dataset

Influence of soil erosion control agro technologies under wheat and maize rotation on subsoil compaction of moderately eroded Epicalcic Chernozem

Influence of long-term mineral fertilization on soil microbiota, organic matter content and CO2 emissions

Evapotranspiration, development and productivity of wheat under different tillage systems on sloping terrains

Evapotranspiration and maize productivity characteristics under soil erosion control technologies on sloped terrains

Efficiency of erosion control agrotechnologies for improvement of soil quality and water regime and mitigation of greenhouse gas emissions

Effect of Soil Protection Tillage on Some Microbial Parameters of Moderately Eroded Calcareous Chernozem

Effect of Organic and Microbial Amendments on Soil Structure and Properties of Epicalcic Chernozem soil

Determination of water retention of degraded soils after their modification with forest waste-biochar, vermicompost, and Divergan

Changes in soil greenhouse gas emissions, organic matter and soil microbiota under the influence of erosion control and conventional tillage systems

 

Contract DN 16/11 from 2017:  “Thermal properties of soils at different land use and melioration”. Project leader Assoc. Prof. Milena Kercheva

Publications and Presentations:

SOIL WATER RETENTION PROPERTIES OF FOREST SOILS UNDER DIFFERENT LAND USE

Microbiological Properties of Soils

Effect of Bio-inoculants on Physical Properties of Chromic Vertic Luvisol

EFFECT OF LAND USE AND SOIL PROPERTIES ON SOIL TEMPERATURE DISTRIBUTION OF CAMBISOLS IN MOUNTAIN REGIONS

EFFECT OF SOIL STRUCTURE DETERIORATION ON WATER RETENTION OF

LAND USE, LITTER QUALITY AND CLIMATE EFFECT ON EARLY STAGE LITTER DECOMPOSITION

Microbiological properties of Alluvial-meadow soil on flooded and non-flooded river terrace

EFFECT OF BIOCHAR AND MANURE ON SOIL QUALITY INDICATORS OF

Microbiological activity of Haplic Chernozems and Kastanozems

Pore size distibution and adsorption properties of soils with different texture Soil water retention properties of forest soils under different landuse

Thermal properties of clay soils with different humus content from Sofia field

Effect of Inoculation of Earthworms and Soil Microorganisms on Soil Structure and Productivity of Alfalfa[#432177]-529768

Effect-of-Inoculation-of-Earthworms-and-Soil-Microorganisms-on-Soil-Structure-and-Productivity-of-Alfalfa

I etap Представяне на проекта ДН1611 в рамките на „Седмица на бенефициентите на ФНИ” 1-5 юли 2019 г

EUROSOIL_2021_LITTER DECOMPOSITION AND SOIL ORGANIC MATTER STOCKS UNDER DIFFERENT LAND USE

Eurosoil_2021_Validation of models

MODELLING OF THERMAL PROPERTIES OF FINE AND MEDIUM TEXTURED SOILS AMENDED WITH DIFFERENT ADDITIVES

Physical and physicochemical characteristics of soil

EFFECT OF LAND USE AND SOIL PROPERTIES ON SOIL TEMPERATURE DISTRIBUTION OF CAMBISOLS IN MOUNTAIN REGIONS

Effects of different additives on thermal properties of fine and medium textured soils

Effect of Biochar and Manure on Soil Quality Indicators of Fluvisol

Effect of Soil Structure Deterioration on Water Retention of Cambisols