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Wyszukujesz frazę "degraded soils" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Least limiting water range of Udox soil under degraded pastures on different sun-exposed faces
Autorzy:
Ribeiro Passos, Renato
Marciano da Costa, Liovando
Rodrigues de Assis, Igor
Andrade Santos, Danilo
Alberto Ruiz, Hugo
Abdalla de Oliveira Prata Guimarães, Lorena
Vaz Andrade, Felipe
Powiązania:
https://bibliotekanauki.pl/articles/972921.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
: soil quality
degraded soils
soil physics
Opis:
The efficient use of water is increasingly important and proper soil management, within the specificities of each region of the country, allows achieving greater efficiency. The South and Caparaó regions of Espírito Santo, Brazil are characterized by relief of ‘hill seas’ with differences in the degree of pasture degradation due to sun exposure. The objective of this study was to evaluate the least limiting water range in Udox soil under degraded pastures with two faces of exposure to the sun and three pedoenvironments. In each pedoenvironment, namely Alegre, Celina, and Café, two areas were selected, one with exposure on the North/West face and the other on the South/East face. In each of these areas, undisturbed soil samples were collected at 0-10 cm depth to determine the least limiting water range. The exposed face of the pasture that received the highest solar incidence (North/West) presented the lowest values in least limiting water range. The least limiting water range proved to be a physical quality indicator for Udox soil under degraded pastures.
Źródło:
International Agrophysics; 2017, 31, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Spent Ion Exchange Sorbents for the Reclamation of Degraded Soils
Autorzy:
Chomczyńska, Mariola
Wasag, Henryk
Kujawska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/124227.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
degraded soils
ion exchange sorbents
cation exchange capacity
Opis:
The paper presents the possibility of applying spent synthetic ion exchangers and sorbents based on natural zeolites for the reclamation of degraded soils. The obtained research results confirmed the improvement of the soil sorption capacity (cation exchange capacity) caused by the addition of spent ion exchange sorbents. They also enabled to determine the magnitude of changes of the analyzed parameters depending on the amount of wastes introduced to the soil. The addition of 1% (w/w) spent cation exchanger enables to increase the cation exchange capacity twice, whereas in the case of zeolite, the observed increase reaches about 20%. Simultaneously, introduction of waste ion exchange sorbents increases the content of exchangeable calcium and magnesium while doubling in the content of these macroelements is observed for 5% (w/w) and 2% (w/w) of spent ion exchanger, respectively. In the case of the exchangeable potassium content, a satisfactory increase is observed with 1% (w/w) addition of spent zeolite.
Źródło:
Journal of Ecological Engineering; 2019, 20, 2; 239-244
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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