Results 91 to 100 of about 5,319 (215)

Influence of long- and short-term climatic changes on chernozem soils : Central Chernozem region of Russia [PDF]

open access: yes, 2013
The main purpose of this article is the identification of forest-steppe and steppe chernozem soils (Eastern European Mollisols) reactions to climate change with different periodicitiesyesBelgorod State National Research ...
Chendev, Yu. G.   +3 more
core  

Classification of black soils, chernozems and chernozem-like soils

open access: yes, 2019
For ages Chernozems were recognized as the most fertile soils in Eurasia; the scientific study of soils started from Chernozems. However, the concept of the genesis of Chernozems evolved since the 19th century. This evolution was somewhat circular because many researchers returned back to the theories that stressed the importance of excessive moisture ...
Krasilnikov, P., Sorokin, A.
openaire   +1 more source

Influence of forest shelterbelts on the soil carbon and nitrogen content in the chernozems of the Kamennaya steppe

open access: yesОвощи России
Relevance. Forest shelterbelts in the steppe zone play a crucial role in stabilizing agrolandscapes by influencing the water regime, humus formation, and the biogeochemical cycle of soils.
S. S. Sheshnitsan   +2 more
doaj   +1 more source

Microbial abundance and activity in chernozem under different cropping systems [PDF]

open access: yesRatarstvo i Povrtarstvo, 2018
The study monitored microbial abundance and dehydrogenase activity in chernozem soil under different cropping systems. Soil samples were taken from the long-term trials Crop Rotations and IOSDV, at the Rimski Šančevi experimental field of the Institute ...
Marinković Jelena   +6 more
doaj  

Ecotoxicity of AgNPs according to the state of biota [PDF]

open access: yesBIO Web of Conferences
The work objective is to evaluate the ecotoxicity of silver nanoparticles (AgNPs) according to the state of the biota of Haplic Chernozems Calcic. Contamination of Haplic Chernozems Calcic with 10 nm AgNPs in concentrations of 0.1, 0.5, 1, 5, 10, 50, and
Tsepina Natalia   +3 more
doaj   +1 more source

STUDY CONCERNING THE POSSIBILITY OF GAMMA-SPECTROSCOPY METHOD TO DETERMINE THE TOTAL POTASSIUM IN SOILS [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2011
It was proved the possibility of determination the total potassium in soils by gamma-spectroscopic method with subsequent calculation of total potassium content in according to value of 40K isotope (expressed in Becquerel, Bq), using the formula: К2О, %
Tamara Leah, Zoia Lozovaia
doaj  

ANALYSIS OF RENEWABLE ENERGY IN ROMANIA’S CENTER DEVELOPMENT REGION [PDF]

open access: yes
Nowadays various problems and requirements of the society and of the development of cities and regions may be solved by using environmental technologies that provide energy from different renewable sources.
Andreea Ileana ZAMFIR
core  

Investigation of natural environment by space means. Geobotany, Geomorphology, soil sciences, agricultural lands, landscape study [PDF]

open access: yes
Reports given by Soviet specialists at a meeting of Socialist countries on remote sensing of the earth using aerospace methods are ...
Grinberg, L. A.   +2 more
core   +1 more source

Agro-Ecological Assessment for the Transition of the Agricultural Sector in Ukraine. Part I: Socio-Economic Aspects [PDF]

open access: yes, 2006
Since 1991, Ukraine has been undergoing a transformation of its economic and social system to enable the transition to a market economy. There are a number of positive developments that have already resulted from the changes in the socio-economic ...
Gumeniuk, K., Mishchenko, N.
core  

NOTES ON THE INFORMATION STORED IN THE LOWER LEVELS OF THE HUNGARIAN SOIL TAXONOMY [PDF]

open access: yes, 2009
This paper examines the information transfer of the units in the general purpose Hungarian soil classification in relation to land productivity evaluations. Statistical analyses of a national soil and plant production database have been applied.
F MÁTÉ, Gergely TÓTH, T HERMANN
core  

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