Articles by keyword
Articles:
- Study of The Horizontal Structure of Forest Landscape into Vitosha Nature Park
Diana Karatoteva
2017-02-21 - Chernozems in Bulgaria Systematic, Specific Features and Problems
M. Teoharov, T. Shishkov, B. Hristov, E. Filcheva, R. Ilieva, I. Lubenova, I. Kirilov, G. Dimitrov, V. Krasteva, B. Georgiev, M. Banov, P. Ivanov, M. Hristova, Z. Mitreva
2017-02-13
Volume 50, No 1, 2016
Volume 48, No 3-4, 2014
- A. solani (1)
- abiotic factors (1)
- absolutely dry matter (1)
- acid shallow soils (1)
- acidity (1)
- actinomycetes (1)
- actual erosion risk (2)
- actualization (1)
- after-effect of starting temperature (1)
- aggregates (1)
- agricultural areas (1)
- agricultural soils (1)
- agriculture (2)
- agro-climatic characteristics (1)
- agro-climatic regions (1)
- agro-ecological areas (1)
- agro-ecological conditions (1)
- agro-ecological potential (1)
- agro-environment potential (1)
- agrochemical grouping of soils (1)
- agrochemical properties (1)
- agroclimatic potential (1)
- agroecological assessment (1)
- agroecological regions (1)
- agroecosystem (1)
- Agroforestry (1)
- agronomic suitability (1)
- agrosoil groups (1)
- agrotechnical measures (1)
- air pollution (1)
- air temperatures (1)
- alfalfa (3)
- alpine environment (1)
- Amendment (1)
- and fertilization effect (1)
- anions (1)
- annual sum of precipitation (1)
- antagonism (2)
- anthropogenic degradation (1)
- anthropogenic load of soil (1)
- aphids (1)
- apple (1)
- apple scab (1)
- Approach rating (1)
- arbuscular mycorrhizal fungi (1)
- Arenosols (2)
- As (1)
- Asa River (1)
- ascorbic acid (1)
- ash elements (1)
- aspect (1)
- assessment (1)
- available amount of nitrogen (1)
- Avena fatua L. (1)
- average agronomic rating (2)
- B. subtilis (2)
- bacteria (1)
- bacterial blight (1)
- bacterial diseases (1)
- balance of humidity (1)
- Balkan Mountains (1)
- banana corm (1)
- barley (3)
- barley varieties (1)
- basic tillage (1)
- bean (1)
- bedload flux and threshold velocity (1)
- Beloizvorski cement (1)
- Bigarreau Burlat (1)
- bioavailability (1)
- biochair (1)
- biochar (2)
- biochemical parameters (1)
- biocontrol agent (1)
- biodynamic farming (2)
- biofilm (1)
- biogenicity (1)
- biological activity (1)
- biological methods (1)
- biological production (1)
- biomass (1)
- biometric (1)
- biometric characteristics (2)
- biometry (1)
- biophysical coefficient (1)
- Biopromoter (1)
- biostimulators (1)
- Black sea zone (1)
- black spots (Phoma macdonaldi) (1)
- bonitet assessment (1)
- broccoli (2)
- brown (Alternaria sp.) (1)
- brown forest soil (1)
- Brown Mountain Forest Soils (1)
- Bulgaria (2)
- Bulgarian sea coast (1)
- Burley tobacco (1)
- C-factor (2)
- C:N (1)
- cabbage (1)
- Calcareous Chernozem (1)
- Cambisol (1)
- Cambisols (3)
- cannibalism (1)
- carbon (1)
- carbonate content (1)
- Cardaria draba (1)
- categorization (2)
- cation exchange capacity (2)
- cations (1)
- Cd (1)
- cereal crops (1)
- chemical composition (2)
- chemical indicators (2)
- chemical quality indication (1)
- chemical soil changes (1)
- Chernozems (7)
- chi-square (1)
- CHIMCO (1)
- chisel (1)
- chlorophyll (1)
- classification (2)
- climate (4)
- climate and fertilization effect (1)
- climate change (2)
- climate changes (1)
- climate characteristics (1)
- Climate Variability and Change (1)
- climatic and agroclimatic characteristics (1)
- climatic and soil conditions (1)
- climatic characteristics (2)
- climatic maps (1)
- climatic zoning (1)
- climatographic factors (1)
- Co (1)
- CO2 evolution (1)
- coal (1)
- coke (1)
- common wheat (1)
- common winter wheat (1)
- compensatory payments (5)
- competition (2)
- composition of organic matter (1)
- compost (1)
- compost preparations (1)
- compound fertilizers (2)
- conductivity (1)
- coniferous ecosystems (1)
- Contamination (1)
- content of macroelements (1)
- content of nutrients (1)
- Content of organic matter (humus) (1)
- controlled conditions (1)
- convenient (1)
- conventional farming (1)
- copper (1)
- corn (1)
- correlation (1)
- correlations (2)
- cotton field (1)
- cowpea (1)
- criteria of soil tillage (1)
- critical levels (1)
- crop rotation (6)
- crop yields (1)
- Cu (1)
- Cucumber (1)
- cultivars (1)
- cultivation of soil (1)
- Danube low lands (1)
- defining (1)
- deforestation (1)
- density (2)
- Dessert grapevine (1)
- developmental stages (1)
- dielectric spectroscopy (1)
- different climate conditions (1)
- drainage basin of river Tundzha (1)
- drip irrigation (4)
- drought (1)
- drought resistance (1)
- dry matter (1)
- DTPA (1)
- Dystric-Eutric Cambisols (1)
- E. coli K-12 (2)
- early potatoes (1)
- earthed-up crops (1)
- earthworms (1)
- ecological factors (1)
- ecology (1)
- EDTA (1)
- effect of irrigation (1)
- effectiveness (1)
- effectiveness of fertilizing (1)
- efficiency of return (1)
- einkorn (2)
- elements (1)
- energy balance (1)
- environmental factors (1)
- environmental friendliness (1)
- enzymes (1)
- Epicalcic and Endocalcic Chernozem (1)
- eroded soil (1)
- erosion (2)
- erosion control measurements (1)
- erosion control practices (1)
- Eruca sativa (1)
- european programs (2)
- evaluation (1)
- factors (2)
- FAO framework (1)
- fauna (1)
- Fe (1)
- Fe2O3 (1)
- fertigation (2)
- fertility (1)
- fertilization (12)
- fertilization effectiveness (1)
- fertilization rates (1)
- fertilizer (4)
- fertilizer sources (1)
- fertilizing (4)
- field assessment rating (1)
- field experience (2)
- field production (2)
- field rating (1)
- field ratings (2)
- fine-tuning (1)
- floating system (1)
- flooding (1)
- flora (1)
- foliar fertilizer (4)
- foliar fertilizers (1)
- food safety (1)
- forest fire (1)
- forest soils (1)
- forests (1)
- fragmentation (1)
- fresh weight (1)
- fruit trees (1)
- fulvicacids (2)
- fulvo acids (1)
- fungi (1)
- fungicides (1)
- Fusarium oxysporum (1)
- fuzzy regression (1)
- gas emission (1)
- genesis (1)
- genetic horizons (1)
- genetic horizons. (1)
- geoecology (2)
- geographical information systems (GIS) (1)
- geological structure (1)
- GIS (1)
- GIS environment (1)
- good agricultural practices (1)
- good irrigation practices (1)
- grain mass (1)
- grain yield (2)
- Grains (1)
- green bean (1)
- green beans (1)
- green biomass (1)
- green house effect (1)
- green manuring (1)
- green mass yield (1)
- greenhouse gas flux (1)
- grey spots (Phomopsis helianthi) (1)
- Gross margin (1)
- growth (1)
- growth and yield (2)
- growth and yield of okra (1)
- habitats (1)
- Haplic Vertisol (1)
- Haplic Vertisols (2)
- harrow (1)
- harvesting date (1)
- harvesting seeds (1)
- head cabbage (1)
- heavy metal (1)
- heavy metals (3)
- height of swards (1)
- herbicides (3)
- histic (1)
- Histosols (1)
- Holocene (1)
- homoclimates (1)
- humic acids (3)
- humic and fulvic acids (1)
- humic fertilizers (1)
- Humipromoter (1)
- humons (1)
- humus (2)
- humus content (1)
- humus degradation (1)
- humus systems (1)
- hydraulic servo systems (1)
- hydrothermal coefficient (1)
- Ibarapa (1)
- Ilorin (1)
- impact on plants (1)
- incipient motion (1)
- Incorporation (1)
- indicators (1)
- Indicators of climate (1)
- industrial sewage sludge (1)
- inoculation (2)
- insecticides (1)
- intensive agriculture (1)
- irrigation (9)
- irrigation depth (1)
- irrigation scheduling (4)
- irrigation technologies (1)
- Iskar River (1)
- Kogi (1)
- Kordia (1)
- Krumovgrad 90 (1)
- L. taurica (1)
- Lactuca sativa L. (1)
- land capability evaluation (4)
- land category (1)
- Land evaluation (10)
- land evaluation category (1)
- land evaluation group (1)
- land-use (2)
- landscape unit (1)
- lavender (1)
- Leached Chernozem (1)
- Leached Vertisol (1)
- leaching (1)
- lead (1)
- lead soil contamination (1)
- leaf biomass (1)
- leaf chemical composition (1)
- Leptic Luvisols (1)
- lettuce (1)
- Limitation approach (1)
- liquid fertilizers (1)
- liquid organic fertilizer (1)
- liquid organic fertilizers (1)
- litter (1)
- Localities (1)
- Lodicules (1)
- Lom region (1)
- long-term fertilization (1)
- long-term fertilization trial (2)
- Luvisols (2)
- Lyutadzhik (1)
- macro- and microelements (1)
- macroelemens (1)
- macroelements (2)
- macronutrients (1)
- maize (4)
- maize (Zea maize) (1)
- maize crop season (1)
- Maize grain yield (1)
- mapping (2)
- market price (1)
- mathematical model (1)
- mathematical recognition (1)
- measure 214 (1)
- metal hyperaccumulation (1)
- meteorological risk (1)
- meteorological risks (1)
- methods (1)
- microbial activity (1)
- microbial fertilizer (1)
- microbial population density (1)
- microbiological processes (1)
- microelemens (1)
- microelements (1)
- micromorfological characteristic (1)
- micromorphology (1)
- micronutrients (1)
- microorganisms (5)
- microplastic particle (1)
- millet (1)
- mine (1)
- mineral (2)
- mineral composition (1)
- mineral degradation (1)
- mineral fertilization (3)
- mineral fertilizer (1)
- mineral fertilizers (2)
- mineral fertilizing (1)
- mineralogical properties (1)
- Mn (1)
- Modic Cambisols (1)
- moisture stress (1)
- monitoring (1)
- monitoring network (2)
- monoculture (2)
- Moringa oleifera (1)
- morphological characteristics (2)
- Morphometry (1)
- multiple disease resistance (1)
- multispecies biofilm (1)
- mung bean (1)
- national park (1)
- natural constraints (1)
- natural disasters (1)
- natural park (2)
- natural pastures (1)
- near infrared spectroscopy (1)
- nematode (1)
- net irridiation (1)
- net requirements (1)
- new soils (1)
- nicotine (2)
- NIR (1)
- nitrate (1)
- nitrate content (2)
- Nitrate Directive (1)
- nitrates (1)
- nitrogen (4)
- nitrogen fertilization (1)
- nitrogen fertilization with N5 and N10 (1)
- nitrogen fertilizers (1)
- nitrogen fixing bacteria (1)
- nitrogen levels (1)
- nitrogen oxides (1)
- Nitrogen rate (1)
- nodulation (1)
- non-irrigation conditions (1)
- nondestructive method (1)
- norms of fertilization (1)
- North Bulgaria (1)
- North-West Bulgaria (1)
- NPK fertilization (1)
- NPK partitioning (1)
- numerical dynamics (1)
- nutrient optimization (1)
- nutrient uptake (1)
- nutrients leaching (1)
- nutrition of plants (1)
- nutritional qualities (1)
- oats (1)
- oilseed rape (1)
- okra (1)
- okra varieties (1)
- onion (2)
- optimal conditions (1)
- optimal levels of Potassium (1)
- orchard (1)
- organic (2)
- organic and conventional farming (1)
- organic and mineral fertilization (2)
- organic carbon (3)
- organic crop rotation (1)
- organic farming (1)
- organic fertilizer (1)
- organic fertilizers (2)
- organic management (1)
- organic matter (1)
- Oriental tobacco (5)
- output of nutritional elements (1)
- ozone AOT 40 (1)
- P. s. pv. pisi (1)
- P. sativum (1)
- parameters (1)
- parameters of Potassium regime (1)
- parent materials (1)
- parent rock (1)
- partial nutritional balance (1)
- partial productivity (1)
- Pb (1)
- PCA (1)
- PCR analysis (1)
- peas (2)
- percentage indicators (1)
- perception (1)
- pH (1)
- Ph. infestans (1)
- phosphorus (3)
- phosphorus and potassium (1)
- photosynthetic activities (1)
- physical parameters (2)
- physical parameters of soil (1)
- physicochemical conditions (1)
- phytoremediation (1)
- phytosanitary monitoring (1)
- plant density (1)
- plant residues (1)
- Planting date (1)
- plastic unheated greenhouses (1)
- plastid pigments (1)
- Pliocene (1)
- Podzols (1)
- pollution (1)
- pollution index (1)
- porosity (1)
- potasium fertilization (1)
- potassium (2)
- potassium fertilization (1)
- potatoes (2)
- potential erosion risk (2)
- potentialerosion risk (1)
- poultry manure (1)
- powdery mildew (1)
- precipitation (1)
- probability analyzes (1)
- production structure (1)
- productivity (4)
- properties (1)
- proximate analysis (1)
- pumpkins (1)
- quality (5)
- quality of life (1)
- quality parameters (1)
- rainfall erosivity (4)
- rape seed (1)
- rapeseed (1)
- raspberry (2)
- ratio org. C/N (1)
- RDP 2007 - 2014 (1)
- Reddish soils (1)
- reference evapotranspiration PMET0 (1)
- regional climate (1)
- Regression (1)
- relative permittivity (1)
- relief (2)
- Rendzic Leptosols (1)
- rent (1)
- reproduction of fertility (1)
- resistance (1)
- Resource-use (1)
- rheology (1)
- Rhizobium meliloti (1)
- Rhizoctonia solani AG 4 (1)
- rice husk biochar (1)
- risk assessment of climate change (1)
- risk of negative changes in physical parameters (1)
- river Tundzha catchment area (1)
- river Tundzha drainage basin (1)
- root and crown rot (1)
- root crops (1)
- root rot of wheat (1)
- saffron (1)
- salinity (1)
- salinity stress (1)
- Sandy soils (1)
- Sandy Soils (Arenosols) (1)
- seasonal dynamics (1)
- sectoral applicability (1)
- sediment transport (1)
- seed yield (1)
- seedlings of tomatoes (1)
- seeds (1)
- selection and production (1)
- sensitivity analysis (1)
- sequential extraction (1)
- sewage sludge (2)
- sheet water erosion (3)
- skeletal mountain soils (1)
- slope (1)
- slope soils (1)
- soil (8)
- soil - climatic conditions (1)
- soil acidification (1)
- soil amendment (1)
- soil characteristics (2)
- soil chemical and physical properties (1)
- soil compaction (1)
- soil cover (1)
- soil cultivation (1)
- soil data bases (1)
- soil electro conductivity (1)
- soil erodibility (3)
- soil erodibility factor (1)
- soil erosion (6)
- soil erosion factors (1)
- soil erosion risk (1)
- soil fertility (1)
- soil formation (1)
- soil genesis (1)
- soil heat flux (1)
- soil improvers (1)
- soil indicators (2)
- soil loss (1)
- soil microbiota (1)
- soil microflora (2)
- soil microorganisms (5)
- soil moisture (1)
- soil organic matter (2)
- soil parameters (2)
- Soil parent material (1)
- soil physical properties (1)
- soil pollution (2)
- soil processing (1)
- soil productivity (1)
- soil profile (1)
- soil profile water permeability (1)
- soil properties (2)
- soil quality (1)
- soil reaction (2)
- soil resources (1)
- soil respiration (1)
- soil structure (2)
- soil suppressiveness (1)
- soil texture (2)
- soil thermal conductivity (1)
- soil tillage (2)
- soil tillage systems (2)
- soil treatment (1)
- soil type (1)
- soil-forming factors (1)
- soilborne pathogens (1)
- soils (5)
- sorption capacity (1)
- spatial variability (1)
- Spikes (1)
- spoil fertility (2)
- spore formation (1)
- spring vetch (1)
- statistical analysis (1)
- statistical methods (1)
- Strandzha (1)
- Strandzha Mountain (1)
- strategy (1)
- strawberry (1)
- structure of weed community (1)
- stubble crops (1)
- subsidies (1)
- subsurface tiller (1)
- sugar (1)
- sugar beet (1)
- suitability (1)
- suitability classification (1)
- sulphur dioxide (1)
- Summit (1)
- sunflower (4)
- susceptibility (1)
- sustainable development (1)
- sustainable disease control method (1)
- sustainable environment (1)
- sweet cherry (1)
- systematic of Chernozems (1)
- tailing pond (1)
- TAW (1)
- technogenically affected Meadow Cinnamonic Soil (1)
- technogenically affected soils (2)
- technologies (1)
- technology (2)
- temperature sum (1)
- testing of new agronomic decisions (1)
- the Balkan Mountains (1)
- tillage (1)
- tillage machinery (1)
- tillage systems (1)
- tillering (1)
- tobacco (4)
- tomato (1)
- tomato plants (2)
- tomatoes (3)
- topography (1)
- topography factor (2)
- topping (1)
- total sugar (2)
- total sugars (1)
- town Sandanski (1)
- toxicity coefficient (2)
- trace elements (2)
- Traikovo (1)
- tree species (1)
- Triticale (1)
- type of swards (1)
- type pastures (1)
- Umbrisols (2)
- Universal Soil Loss Equation (2)
- uptake (3)
- urban forest parks (1)
- urban soils (1)
- USLE (4)
- Variation (1)
- vegetable crops (1)
- vegetative and reproductive expression of tomato plants (1)
- vegetative development (1)
- vermicompost (1)
- vermiculite (1)
- Vertiso (1)
- Vertisols (4)
- village Lyutibrod (1)
- vineyard (1)
- Virginia tobacco (2)
- viscoelastic properties (1)
- vulnerable areas (1)
- wastewater (1)
- water and wind erosion of the soil (1)
- Water Balance (1)
- Water deficit stress (1)
- water erosion (1)
- water erosion risk (1)
- water protection (1)
- water regime (1)
- water stable aggregates (1)
- weed infestation (1)
- weeds (1)
- weight indicators (1)
- weightings for the climate (1)
- wheat (6)
- wheat included in four-field crop rotation (1)
- willows (1)
- wind erosion (1)
- WinISAREG model (1)
- winter barley (1)
- winter wheat (3)
- wintering forage pea (1)
- working body (1)
- working part (1)
- yield (15)
- yield attributes (1)
- yield of leguminous plants (1)
- yields (1)
- Zgorigrad (1)
- Zn (1)
- Еrosion factors (1)
- Еvapotranspiration (1)
- сlimate (1)