Results 101 to 110 of about 3,430 (205)

A climo and litho soil-sequence on the Vico volcano (Italy) [PDF]

open access: yes, 1988
A la suite d'une cartographie pédologique détaillée de la majeure partie de l'appareil volcanique de Vico (Italie), une séquence topoclimatique a été définie. Cing profils ont été choisis à des altitudes représentatives des principales zones climatiques.
Bidini, D., Lulli, L., Quantin, Paul
core  

Kajian Sebaran Humus, Alofan dan Senyawa Humus Kompleks Pada Tanah Andisol

open access: yesPlanta Tropika: Jurnal Agrosains, 2017
Humic substances (humus), allophanes and humus complexes are the soil component which have highly reactivity and give great contribution   on genesis and lead to presence  of specific chemical and physical properties of Andisols.
Tati B. Kusmiyarti   +3 more
doaj  

Characteristics of Volcanic Ash Soils From Southern Part of Mt. Tangkuban Perahu, West Java [PDF]

open access: yes, 2005
Three soil pedons developed on young andesitic volcanic ash with high mineral deposit and high P retention, granular soil structure, high porosity, and low bulk density, were differentiated based on their morphological, physical, chemical and ...
YATNO, E. (EDI), ZAUYAH, S. (S)
core  

Andisols from Tondano Area, North Sulawesi: Properties and Classification

open access: yesJournal of Tropical Soils, 2008
Three pedons of Andisol (TN-1, TN-2 and TN-3) developed from young volcanic materials of the Lokon, Soputan, and Lengkoan volcanoes respectively in the Tondano area, North Sulawesi, were studied in the field, and 18 soil samples were analysed in the ...
Hikmatullah
doaj  

Uneven landscapes inhabited by middle Miocene mammals from La Pava and Collón Cura formations in North Patagonia

open access: yesSwiss Journal of Palaeontology
The Collón Cura Formation (CCF) bears a diverse assemblage of middle Miocene terrestrial mammals (the Colloncuran fauna) known from the end of XIX century.
Alejandro G. Kramarz   +7 more
doaj   +1 more source

Clay mineralogy of tephras and associated paleosols and soils, and hydrothermal deposits, North Island [New Zealand] [PDF]

open access: yes, 1993
Tour themes and itinerary The tour centres on the occurrence and genesis of clay minerals, especially allophane, halloysite, and ferrihydrite, associated with both Quaternary rhyolitic airfall tephra (volcanic ash) deposits and volcanogenic alluvium ...
Lowe, David J., Percival, H.J.
core   +1 more source

Improving Phosphate Efficiency by Phosphate Solubilizing Bacteria and Organic Matter Estimated by Radio Isotop (32P) Technique in Some Soils

open access: yesJournal of Tropical Soils, 2012
Phosphorous (P) contents in many soils are varies highly along with their ability to provide available P to plant growth. Soils may contain very high in total P, but low in available P due to high P adsorbed by soil matrix and all their adsorbing agents.
Martinus Harsanto Pandutama   +2 more
doaj  

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