Long-term and seasonal variations in CO2: linkages to catchment alkalinity generation [PDF]
, 2001 International audienceAs atmospheric emissions of S have declined in the Northern Hemisphere, there has been an expectation of increased pH and alkalinity in streams believed to have been acidified by excess S and N.
Cosby, B.J. +4 more
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Clay mineralogy of tephras and associated paleosols and soils, and hydrothermal deposits, North Island [New Zealand] [PDF]
, 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.
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Formation of a cultivated spodosol in east-central Finland
Agricultural and Food Science, 2008 The processes involved in Spodosol (Podzol) formation are still being debated. The pedogenic processes in a Spodosol, 10,700 years-old, at Sotkamo that has been cultivated for about 50 years were studied by characterizing the morphology and analyzing the
M. YLI-HALLA, D. L. MOKMA, L. P. WILDING
doaj
Workshop on Environmental Management and Sustainability - 2014, 2016 E.G.B. Zanetti, L.F. Umbelino
openaire +1 more source
Chemical Characterisation of Podzols in Sabah, East Malaysia [PDF]
, 1989 Chemical analyses were carried out on three podzol samples from the Tambunan and Keningau districts in Sabah. The values of pH, Organic carbon content, cation exchange capacity and HCI extractable metals vary distinctly between horizons. Such variation
Jopony, Marcus, Tan, Ying chiu
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Variation in the Root System Architecture of Peach × (Peach × Almond) Backcrosses. [PDF]
Plants (Basel), 2023 Lesmes-Vesga RA +5 more
europepmc +1 more source
Karakteristik Tanah Dan Perbandingan Produksi Kelapa Sawit (Elaeis Guineensis Jacq.) Dengan Metode Tanam Lubang Besar Dan Parit Drainase 2:1 Pada Lahan Spodosol Di Kabupaten Barito Timur Propinsi Kalimantan Tengah - Indonesia [PDF]
, 2015 Spodosol soil of Typic Placorthod sub-group of East Barito District is one of the problem soils with the presence of hardpan layer, low fertility, low water holding capacity, acid reaction and it is not suitable for oil palm cultivation without any ...
Rauf, A. (Abdul) +3 more
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Growing Sugarcane for Bioenergy – Effects on the Soil [PDF]
An increasing area of sugarcane is being growing for the production of bioenergy. Sugarcane puts a high demands on the soil due to the use of heavy machinery and because large amounts of nutrients are removed with the harvest.
Hartemink, A.E.
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Foliar nutrient levels of native tree species from Central Amazonia. I. Inundation forests
, 1983 The study of the leaf size spectra and foliar concentrations of N, P, K, Ca, Mg and Na of 52 species sampled in three Central-Amazon inundation forests (2 várzea sites, 1 igapó site) yielded signifìcant differences between várzea and igapó forests.
Furch, K. +3 more
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Introduction to New Zealand [PDF]
, 1994 New Zealand consists of a cluster of islands, the three largest being North, South, and Stewart, in the southwest Pacific Ocean. They have a total land area of about 270 000 km2 (similar to that of the British Isles or Japan).
Lowe, David J.
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