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Wyszukujesz frazę "Polish soil" wg kryterium: Temat


Wyświetlanie 1-5 z 5
Tytuł:
Comparison of soil texture classification according to the new Polish Standard, PTG and international classifications [FAO and USDA]
Autorzy:
Drzymala, S
Powiązania:
https://bibliotekanauki.pl/articles/1401861.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
Polish Soil Science Society
classification
Polish Normalization Committee
soil fraction
international classification
Polish standard PN-R-04033
soil texture
textural group
Opis:
The classification into soil fractions found in the new Polish Standard PN-R-04033 is fully comparable- with the international classifications (FAO/USDA) in question. The following diameters were adopted as the main groups of soil fractions: stones >75 mm, gravel 75-2 mm, sand 2.0-0.05 mm, silt 0.05-0.002 mm and clay <0.002 mm. On the other hand, soil fractions classification according to the Polish Soil Science Society (PTG), including so-called fine particles (<0.02 mm), is not compatible with both the new Polish Standard and the discussed international classifications. This also refers lo the classification into textural groups according to PTG. However, the classification into textural groups according lo Polish Standard is quite similar to international classifications.
Źródło:
Acta Agrophysica; 2000, 35; 49-53
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The surface properties of humic acids extracted from chernozem and grey-brown podzolic soils
Autorzy:
Flis-Bujak, M.
Ksiezopolska, A.
Stawinski, J.
Turski, R.
Powiązania:
https://bibliotekanauki.pl/articles/24614.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
surface property
humic acid
Polska
chemical structure
soil
loess
grey-brown podzolic soil
water
black earth
Polish soil
adsorption
Źródło:
International Agrophysics; 1995, 09, 2
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Principles and requirements for the soil texture analysis according to methods recommended by International Standard Organization [ISO]
Autorzy:
Drzymala, S
Powiązania:
https://bibliotekanauki.pl/articles/1401927.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
International Standard Organization
soil science
Polish standard
Polish Normalization Committee
soil material
particle size distribution
International Standard-ISO 11277
international standard
soil texture
Opis:
For several years now the Polish Normalisation Committee (PKN) has been angaged in the process of introduction (and implementation) of international standards complying with the Internationsl Standard Organsation (ISO) into the set of of Polish Standards.At present, in the PKN Commission of Soil Physics, a number of such standards are being prepared (translated) -including a very comprehensive standard dealing with partiele size distribution determination in soil material-ISO 11277 [6], Some principles and requirements included in this standard differ significantly from those commonly accepted and widely in use now in numerous pedologie laboratories in Poland [7,8]. Below there are some of the most important differences: (1 ) the requirement to remove organic matter from test samples (using 30% v/v solution of H2O2), (2) the requirement to remove water soluble salts and gypsum (to electrical conductivity 0,4 dS/m), (3) sample dispersion process must be longer than 18 hours. Many other requirements, of relatively lesser importance, in many cases also do not correlate with those commonly accepted in our laboratories.
Źródło:
Acta Agrophysica; 2000, 35
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sorption properties of gypsic rendzinas from the Niecka Nidzianska area
Autorzy:
Ciarkowska, K
Powiązania:
https://bibliotekanauki.pl/articles/1450782.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil profile
glacial cover
rendzina soil
Polish lowland
soil protection
arable soil
semispherical gypsic hill
soil
turf soil
gypsum deposit
sorption property
gypsic rendzina soil
Niecka Nidzianska area
gypsic rock
terrestrial ecosystem
Nida area
Opis:
In order to estimate sorption properties of gypsic rendzinas from the Niecka Nidziańska area as well as compare a composition of exchangeable cations in arable and turf soils 24 profiles have been investigated which represented following subtypes: initial, proper, chernozemic and brown ones, and derived from 3 types of miocene gypsum: selenite, shaly and compact gypsum. On the basis of the investigations it has been found that sorption properties of gypsic rendzinas were formed under influence of lithological factor and depend on the activity of the parent rock which is expressed by a content of the active calcium in the rock. Humous horizons of the arable soils characterised of a slightly lower complex exchange capacity and a higher contribution of potassium and magnesium in the composition of exchangeable ions in comparison with analogous horizons of the turf soils. A content of exchangeable cations permitted to count investigated soils among the soils with saturated complex of exchangeable cations. In their complex dominated calcium and the contribution of acid cations was small.
Źródło:
Acta Agrophysica; 2001, 50; 71-79
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agrofizyka dla srodowiska i bezpiecznej produkcji biologicznej
Agrophysics for the environment and safety biological production
Autorzy:
Glinski, J
Konstankiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/1630386.pdf
Data publikacji:
1999
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
Polska
Instytut Agrofizyki PAN
struktura organizacyjna
agrofizyka
konferencje
Lublin konferencja
badania naukowe
ochrona srodowiska
rolnictwo
erozja wodna
erozja gleb
gleby orne
gleby mineralne
struktura gleb
woda glebowa
mapy glebowe
ziarno
przechowywanie
Polska
Polish Academy of Sciences
Institute of Agrophysics
organization structure
agrophysics
conference
Lublin conference
scientific research
environment protection
agriculture
water erosion
soil erosion
arable soil
mineral soil
soil structure
soil water
soil map
grain
storage
Opis:
Agrophysics is a science dealing with physical properties and processes affecting plant production. The main topics of agrophysical investigations are mass ( water, air, plant nutrients) and energy (light, heat) exchange in the soil-plant-atmosphere continuum and way their regulation to reach biomass of high quantity and quality. Agrophisical investigations can be presented in the form of a tree - parameter system of classification. the term "Agrophysics" similarly to "Agrochemistry" "Agrobiology" "Agromelioration""Agroclimatology" or "Agroecology" has been fully accepted as an agricultural specialization. Agrophysics research are developed by meny scientific institutes but only the Instituí of Agrophysics in Lublin (Poland) is the strongest unit for a complex investigations in the field of agrophysics.AC The Institute of Agrophysics (IA PAN) is one of the institutes of the Polish Academy of Sciences, It was founded by Professor Bohdan Dobrzański in 1968 in Lublin who was the first and long-term director of the Institute (till 1980). The staff of the Institute consists of 100 workers including 68 scientific representing various specializations: physics, physicochemistry, soil science, agricultural engineering, mechanics, mathematics, electronics, geography and biology. These scientists have ery high qualifications achieved during long trainings in domestic and foreign centres. They were employed as postgraduate students and got their scientific degree on agrophysics. The Institute uses it's own building covering a surface of about 5 000 m2 situated in Lublin-Felin. The scientific structure of the Institute consists of six departments: 1. Hydrolherrnophysics of Soil Hnvironment and Agricultural Materials. 2. Aeration and Gas Exchange of Soil Environment and Agricultural Materials. 3. Mechanics of Agricultural Materials. 4. Physicochemistry of Agricultural Materials. 5. Agrophysical Bases of Soil Environment Management. 6. Physical Bases of the Evaluation and Improvement of Plant Materials, The Institute is a coordinator of agrophysical investigations in Poland and cooperates with meny scientific institutions over the world. The agrophysicial investigations carried out by the Institute and under its coordination allow us to deepen our fundamental knowledge about the physical and physicochemical properties and processes concerning agricultural materials. They also have introduced new elements to environmental protection which are significant to the economy. The results from these investigations may be used to: decrease soil physical degradation caused by erosion, soil crusting, sealing, compaction and structure destruction; increase the efficiency of water and fertilizer use; improve the technology of harvesting, storing and processing of plant materials to decrease quantitative ad qualitative losses of these materials; improve plant breading through formulation of physical properties of plants. The development of a theoretical basis in the field of agrophysics is of great importance for many agricultural specialization, e.g., soil science, soil technology, land reclamation, agricultural engineering, agroclimatology, agrochemistry, plant breeding and plant technology.
Źródło:
Acta Agrophysica; 1999, 20; 1-69
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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