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Moisture effect on soil humus characteristics in a laboratory incubation experiment
humic acid humin humus composition
2016/2/22
A 180-day laboratory incubation experiment (30°C) was conducted to investigate the quantitative and qualitative
characteristics of humic fractions in a Mollisol at different moisture conditions. The ...
Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils
tree species composition soil forest floor reserves
2015/3/16
A pedological survey was carried out in a spruce monoculture, beech stand, and in a mixed stand at a field research station in R醞ec-N靘鑙ce of the Institute of Forest Ecology (IFE), Mendel University of...
Thinning experiment in the spruce and beech mixed stands on the locality naturally dominated by beech ?growth, litter-fall and humus
thinning spruce beech
2015/3/16
In 1997, long-term thinning experiment V歟te?in Southern Bohemia was established in the young 19-year-old mixed beech and spruce stand. Three variants (0.10 ha each) were investigated: 1 ?control unthi...
Humus conditions and stand characteristics of artificially established young stands in the process of the transformation of spruce monocultures
soil forest floor reserves and forms pH
2015/3/16
The main reason for the transformation of spruce monocultures at sites of mixed broadleaved forests is to create more natural relationships between the species structure of a stand and soil processes....
Production and humus form development in forest stands established on agricultural lands ?Kostelec nad 萫rn齧i lesy region
afforestation agricultural lands tree species
2015/3/16
The afforestation of agricultural lands was carried out under different site and ecological conditions, including lower and medium elevated localities. The present study documents the rapidity of accu...
Humus conditions of stands with different proportion of Douglas fir in the H鵵ky Training Forest District and K鴗iny Training Forest Enterprise
species composition soil forest floor reserves
2015/3/16
The paper presented evaluates reserves and chemical composition of forest floor of three stands of Douglas fir, spruce and spruce with beech at acid sites (3K) in the H鵵ky Training Forest District (TF...
Mapping the topsoil pH and humus quality of forest soils in the North Bohemian Jizerské hory Mts. region with ordinary, universal, and regression kriging: cross-validation comparison
Black Triangle digital soil mapping geostatistics map accuracy
2015/3/9
North Bohemia belongs to one of the most heavily industrialized and polluted regions in Europe. The enormous acid deposition which culminated in the 1970s has largely contributed to the accelerated ac...
Changes in humus forms in gaps of the canopy of semi-natural beech stand
humus forms beech stands humus accumulation
2015/3/3
The article presents original results of research on the humus form dynamics in a semi-natural European
beech stand in the National Natural Reserve Voděradské bučiny, in the area of Training Fo...
Logging and forest decline effects on the surface humus horizons in the Šumava Mts.
Bohemian Forest Mts. forest soils humus forms
2015/3/3
Holorganic layers belong among the key ecosystem components of forest soils at higher altitudes. Increased biological activity of the surface humus is very often observed after forest decline and/or f...
Humus content and quality under different soil tillage systems
soil humic substances tillage regimes UV-VIS and SFS spectroscopy
2015/3/2
The main objective of our study was to compare the contents and quality of humic substances in selected soil types under different tillage regimes (deep, reduced, minimum). Non destructive spectroscop...
Effect of forest tree species on the humus form state at lower altitudes
humus forms species composition site degradation species effect on soil
2015/2/6
The paper documents the effects of forest stands of different species composition on the humus form state and soil profile chemistry. It compares the situation in mixed broadleaved (ash, oak, hornbeam...
Forest decline and pedobiological characteristics of humus forms in the Šumava National Park
Š umava National Park mountain spruce forests forest decline bark beetle microbial activity respiration activity nitrogen mineralization soil chemistry humus forms
2015/2/6
Humus forms dynamics and characteristics of different forest sites were studied in the area of Smrčina Mt. in the Šumava National Park territory. The study was performed in vital Norway spru...
Quantitative and qualitative changes of humus in whole soils and their particle size fractions as influenced by different levels of compost application
Paddy and Upland Fields Straw-Cow Dung Compost
2013/3/4
Effect of long-term application (ca. 30 years) of compost at different levels on humus composi-tion of whole soils and their particle size frac-tions in a field subjected mainly to double cropping (ba...
Humus and Humic Acids of Luvisol and Cambisol of Jiguli Ridges, Samara Region, Russia
Humus and Humic Acids Luvisol and Cambisol Jiguli Ridges Samara Region Russia
2009/12/2
Luvisols and Cambisols are two types of sub-boreal soils, which are known as continental and humid-ocean types of soils in deciduous forests respectively. Morphological features of soil, which are fre...
Structural and Zn-binding features of ortho- and pyrophosphate modified soil metal-humus sorbents (Features of P-modified humus sorbents)
humus ligand structure phosphate fertilizers zinc binding
2008/11/11
The results of the experiments showed that the P treatment considerably enhanced the Zn-binding capability of acid soil. The contribution of ortho- and pyro-P to Zn binding was that they changed the s...