Zobrazeno 1 - 10 of 48 pro vyhledávání: '"R. J. St. Arnaud"'
1
Morphology and Genesis of a Chernozemic to Podzolic Sequence of Soil Profiles in Saskatchewan
Autor: R. J. St. Arnaud, E. P. Whiteside
Chemical, physical, and micropedological studies were made of Orthic Black, Orthic Dark Grey, Dark Grey Wooded, and Orthic Grey Wooded profiles developed from relatively uniform glacial till material. The general gradation of morphological properties
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99ee75cef587a08256f6459fce472d61
https://doi.org/10.2136/sssaspecpub1.c29
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5
THE CHARACTERIZATION OF SOIL MACROPOROSITY WITH CT SCANNING
Autor: M. C. J. Grevers, R. J. St. Arnaud, E. De Jong
Publikováno v: Canadian Journal of Soil Science. 69:629-637
The soil macropore system was analyzed with the help of image analysis, comparing images from computed-tomography (CT) scanning with images obtained from thin sections. The images obtained with the two methods were analyzed with an image analyzer (IB
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f22746a5a0153068eab76631a3a2a493
https://doi.org/10.4141/cjss89-062
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6
Micromorphology of some Chernozemic Soils with Grumic Properties in Saskatchewan, Canada
Autor: A. R. Mermut, R. J. St. Arnaud
Publikováno v: Soil Science Society of America Journal. 47:536-541
Two clayey soils (Indian Head and Balcarres Associations) and two fine loamy soils (Swinton and Weyburn Associations), all currently classified under the Chernozemic order (Borolls), were used in this study to establish the micromorphology of soils w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4a80604a639ba4fc5f7f07bdd09d97e
https://doi.org/10.2136/sssaj1983.03615995004700030029x
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8
Micropedological Study of Termite Mounds of Three Species of Macrotermes in Kenya
Autor: R. J. St. Arnaud, A. R. Mermut, M. A. Arshad
Publikováno v: Soil Science Society of America Journal. 48:613-620
Seven termite mounds built by three Macrotermes species (M. michaelseni, M. subhyalinus, and M. herus) at five different sites were studied micropedologically. Construction units and void patterns were considered as integral parts of mound constructi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edb34cf4cf87d5b6288f27a07b546e72
https://doi.org/10.2136/sssaj1984.03615995004800030029x
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9
A MICROMORPHOLOGICAL STUDY OF CALCAREOUS SOIL HORIZONS IN SASKATCHEWAN SOILS
Autor: R. J. St. Arnaud, A. R. Mermut
Publikováno v: Canadian Journal of Soil Science. 61:243-260
The nature and distribution of carbonates in calcareous horizons from several Saskatchewan soils were examined micromorphologically. Carbonate minerals were found to occur in several distinct forms which included skeletal grains and plasma, cutanic a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4afe4b5ca6fe2e51c86a98b653072358
https://doi.org/10.4141/cjss81-029
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10
A COMPARISON OF HUMIC FRACTIONS OF CHERNOZEMIC AND LUVISOLIC SOILS BY ELEMENTAL ANALYSES, UV AND ESR SPECTROSCOPY
Autor: Eldor A. Paul, D. W. Anderson, R. J. St. Arnaud, D. B. Russell
Publikováno v: Canadian Journal of Soil Science. 54:447-456
The Ah horizons of a Brown–Dark Brown–Black–Dark Gray–Gray Luvisolic sequence of Canadian grassland and forest soils were studied. Clay-associated humus was present in greater proportions in the grassland than in forest soils, particularly in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4bffca2396ccf8719f951d5f6cd8c7b
https://doi.org/10.4141/cjss74-058
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