Results 81 to 90 of about 6,818 (231)
Piping and woody plants in peatlands: Cause or effect? [PDF]
, 2005 This paper presents, for the first time, evidence to show that Calluna species are one causative factor of piping in blanket peat catchments. Ground-penetrating radar survey on 960 plots illustrated that piping was prevalent throughout blanket peats ...
Holden, Joseph
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Gayana: Botanica, 2003 This study investigated the different forms and availability of P in soil profiles from temperate forests in southern Chile (two sites: Nothofagus obliqua (Mirb.) Bl. and Nothofagus betuloides (Mirb.) Oerst.) and Flanders, Belgium (two sites: Pinus nigra
Katleen De Brouwere +3 more
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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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Chemical composition of the humus layer, mineral soil and soil solution of 150 forest stands in the Netherlands in 1990 [PDF]
A nationwide assessment of the chemical composition of the humus layer, mineral topsoil (0-30 cm) and soil solution in both topsoil and subsoil (60-100 cm) was made for 150 forest stands in the year 1990.
Leeters, E.E.J.M., Vries, W., de
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Genèse et fonctionnement des sols en milieu équatorial [PDF]
, 1996 La genèse des sols en milieu équatorial présente une forte composante biologique. La structure générale des profils ferrallitiques s'explique par le recyclage biologique des principaux éléments intervenant dans les équilibres minéraux-solutions, et la ...
Cornu, S. +3 more
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ECOSSE: Estimating Carbon in Organic Soils - Sequestration and Emissions: Final Report [PDF]
, 2007 Background Climate change, caused by greenhouse gas ( GHG) emissions, is one of the most serious threats facing our planet, and is of concern at both UK and devolved administration levels.
Aitkenhead, Matt +20 more
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iForest - Biogeosciences and Forestry, 2011 In the study of air pollution effects on forest ecosystems, solid soil data such as cation exchange capacity, base saturation and other exchangeable cation fractions, soil texture, soil moisture, soil weathering rates, C/N ratio and other variables form ...
Cools N, De Vos B
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Foliar nutrient levels of native tree species from Central Amazonia. 2. Campina
, 1985 Adult leaves of 14 woody species were sampled in the campina at km 62 of the road Manaus - Caracaraí. The lamina were classified as to their size and analysed for N, P, K, Ca, Mg and Na. Comparing the foliar levels of the bioelements to relevant data for
Klinge, H.
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Почвознание, агрохимия и екология, 2010 Based on the undisputable proved withdrawal of the plane glaciers to North and the mountain glaciers withdrawal upward after thе Glacial epoch, we think that the Brown mountain forest soils in the middle and south Euro-Asian mountains are degraded ...
ГЕОРГИ AHTOHOB
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New Zealand microcosm of subtropical soils [PDF]
, 1969 Some examples of zonal soils in New Zealand are described by a visiting Soviet soil scientist. Analyses made in Moscow of samples collected during the visit are given and compared with results obtained by New Zealand Soil Bureau. The soi1s are correlated
Guerassimov, I.P.
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