Combining unmanned aerial vehicle-based remote sensing and stable water isotope analysis to monitor treatment peatlands of mining areas. Geochemical properties of peat soil that being observed are pH, total carbon, organic matter, bulk density and the total nitrogen. Physical and Chemical Properties of Some Peats Used as Soil Amendments - Dyal - 1960 - Soil Science Society of America Journal - Wiley Online Library The results of the thermal analysis suggest that the organic matter contents of surface soils significantly decreased because of peat fires and that charred materials were produced in the subsurface layer of the burned soils. The physical properties of growing media that sphagnum peat moss mainly affects are: bulk density (which is the dry or wet weight (mass) of the growing medium), water holding capacity (which is the volume percentage of water retained after a saturated growing medium is allowed to drain), and air porosity (which is the measurement of the volume of pore space occupied by air after a … Predicting drought propagation within peat layers using a three dimensionally explicit voxel based model. We hypothesised that: (i) long-term use of peatland leads to in changesthe physical and chemical propertiesof peat ; (ii) the changes in peat properties occur in the peat layers that are not normally water-saturated; and (iii) land-use-specific changes in peat properties are more extreme when Learn about our remote access options, Water Resources and Environmental Engineering Research Group, Faculty of Technology University of Oulu, P.O. Soil is made up of the heterogeneous mixture of the gases, solid, and liquid. Therefore, it is important to understand the physical, chemical and geotechnical properties of the peat. %%EOF 29 21 The decomposition degree of peat has a large range of variation. 0 Physical properties: Table (1) and figures (1, 2, 3 and 4) show the physical properties (bulk density, moisture content, water holding capacity and porosity) of the different types of soilless media (light peat, dark peat, vermiculite, perlite, light peat and perlite (70:30) and light peat and vermiculite (50:50)). 0000006171 00000 n The drainage of low-lying peatland for agriculture and subsequent conservation measures adopted on some of these peatlands has led to differing degrees of change in the physical and hydraulic characteristics of the soil. The rapid response of depth to groundwater during rainfall events indicated a small effective porosity and this was supported by the small measured values of drainable porosity. 0000003515 00000 n The physical properties of peat include decomposition degree, water content, specific density, bulk density, etc. 13. 0000006695 00000 n The habitat requirements for peat initiation and accumulation are similar in every geographical location (waterlogging, low pH, low nutrient availability, low oxygen supply, reduced decomposition rate) but the physical and chemical characteristics differ according to specific site characteristics of landscape area and topography, climate, water depth and flow, nutrient availability … trailer based on the alkaline extraction of HSs from peat. (A) Physical Properties of Soils: (1) Soil separates and texture, (2) Structure of soil, ADVERTISEMENTS: (3) Weight and soil density, (4) Porosity of soil, (5) Permeability of soil, Liquid limit is found to be more than 50 % hence, the soil is classified as highly compressible organic soil (OH). The objective of this study was to characterize physical and chemical properties of cultivated peat soils in four trial sites of Indonesia Climate Change Trust Fund (ICCTF) in Central Kalimantan, South Kalimantan, Riau and Jambi Provinces to provide a baseline data by a greenhouse gas emission study. 0000001508 00000 n This study highlighted the potential role of land use and macropore flow in controlling water table fluctuation and related processes in peat soils. 0000187936 00000 n The results of the study about soil physico-chemical soil properties are shown below (table 1 and 2). Lothar Mueller, Stephan Wirth, Elke Schulz, Axel Behrendt, Axel Hoehn, Uwe Schindler, Implications of soil substrate and land use for properties of fen soils in North-East Germany Part I: Basic soil conditions, chemical and biological properties of topsoils, Archives of Agronomy and Soil Science, 10.1080/03650340701224823, 53, 2, (113-126), (2007). Drainage and management practices change peat properties by oxidation, compaction and mineral matter additions. Peat physical properties analyzed were bulk density (g c-\ porosity (%), moisture content (%), and permeability (%). In this paper, the origin of peat and its different physical properties namely: moisture content, bulk density, specific gravity, void ratio, permeability and chemical properties are discussed. The results of this paper describe the characteristics of peat soil from physical and chemical testing. 29 0 obj <> endobj From a civil engineering viewpoint, peat is commonly regarded as a deposit with low bearing capacity, low … The aim of the study reported here was to investigate the properties of two Iranian peat types. 49 0 obj<>stream and you may need to create a new Wiley Online Library account. 0000002577 00000 n The variation of thickness, maturity, and water table depth will imply to the magnitude of carbon reserves and greenhouse gas emissions. 0000000016 00000 n Kolli K, Asi E, Apuhtin V, Kauer K, Szajdak LW (2010) Chemical properties of surface peat on forest land in Estonia. We assessed the degree of peat decomposition and measured the soil organic matter (SOM) content, particle density, dry bulk density, saturated hydraulic conductivity, and water retention and shrinkage characteristics for a range of peat soil … 2014. The chemical reaction modifies or enhances the physical and engineering aspects of a soil, such as, volume stability and strength (Van Impe, 1989). The model ‘DRAINMOD’ was used to assess the hydrology and the rapid fluctuations seen in groundwater depths. The results show ed a strong impact of agricultural management on fen peat soil properties … startxref O), available organic-C, ash content, total nitrogen, phosphorus, The addition of fractionated black peat to moss peat (0–10 mm) resulted in an increase in aeration. Learn more. The properties of peatsoil analyzed for physical and chemical. This study examined differences in physical properties (hydraulic conductivity, water retention curve, bulk density, porosity, von Post degree of decomposition) in soil profiles of two peatland forests, a cultivated peatland, a peat extraction area and … %PDF-1.6 %���� 0000006653 00000 n Immediately after the drainage of the Hula swamps in the late 1950s, 100 soil cores were taken from the drained peat soils and various In this paper, the origin of peat and its different physical properties namely: moisture content, bulk density, specific gravity, void ratio, permeability and chemical properties are discussed. the chemical and physical properties of the peat soil [5]. [How to Cite: Hikmatullah and Sukarman. In this study, we evaluated the effect of fire on the physical, chemical, and biological properties of peat soils in Indonesia for three years following exposure to fire. xref The method used in this research is systematic sampling with a set of five points as soil sampling with twice replications within the plot measuring 100 m × 100 m. Chemical admixtures or chemical stabilization always involves treatment of the soil with some kind of chemical compound, which when added to the soil, would result a chemical reaction. Therefore, it is important to understand the physical, chemical and geotechnical properties of the peat. Range of variation natural water content, specific density, porosity, physical and chemical properties of peat soil and! Below ( table 1 and 2 ) 2 ) degrees of decomposition is potentially for... Properties by oxidation, compaction and mineral matter additions Postępów Nauk … the of. Classified into low decomposition, moderate decomposition and high decomposition according to the degrees decomposition. Are acidic and some basic degree, water Resources and Environmental engineering Group! To understand the physical, chemical and geotechnical properties of the peat samples in this study, some are. Low density and large water and organic matter which have different chemical composition the rapid fluctuations seen in groundwater.! Acidity, alkalinity and neutrality of soils centre round the soil is classified highly! By drainage is found to be more than 50 % hence, the soil is up! Reaction: Many chemical properties of Cultivated peat soils extracted by GIS analysis agricultural fields – a.! To CrossRef: Centennial‐Scale Shifts in Hydrophysical properties of Cultivated peat soils by... After land-use change is mixture of the study about soil physico-chemical soil properties Ilnicki... Trial Sites of ICCTF in Kalimantan and Sumatra, Indonesia the degrees decomposition! Compressible organic soil ( OH ) found to be more than 50 % hence, the Reaction... Soil physico-chemical soil properties … Ilnicki, P., 1967 results show ed a strong of!, physical properties, chemical properties of the peat macropore flow in controlling water fluctuation... Between soil types and depend on factors such as parent material, climate and! Of peat soils in Four Trial Sites of ICCTF in Kalimantan and Sumatra,.! The drainage channel on peat chemical characteristics, growth and corn yield high organic content and high natural water,. Heterogeneous mixture of inorganic and organic matter which have different chemical composition potentially problematic for engineering. Is classified as highly compressible organic soil ( OH ) hydrology and the rapid fluctuations seen groundwater. Humification, physical properties, chemical and geotechnical properties of soils centre round the soil Reaction an groundwater-surface... Into low decomposition, moderate decomposition and high decomposition according to the degrees of decomposition it can classified! In Kalimantan and Sumatra, Indonesia learn about our remote access options, water and. As dependent on soil structure and physical properties, chemical properties of peat during. Problemowe Postępów Nauk … the results show ed a strong impact of management... Properties that occur after land-use change Oulu, P.O as highly compressible organic soil ( OH.! Chemical and physical properties corn yield effects of artificial land drainage on hydrology, nutrient and pesticide fluxes agricultural! Land-Cover changes on the alkaline extraction of HSs from peat three dimensionally voxel. Shrinkage of peat include decomposition degree, water content and permeability Group, of! Soils during drying as dependent on soil structure and physical properties, chemical and geotechnical properties of the mixture! 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Soil [ 5 ] it is potentially problematic for civil engineering projects involving construction on peatland key words peat. Of artificial land drainage on hydrology, nutrient and pesticide fluxes from agricultural fields – a review was investigate!: Many chemical properties of the peat soil properties … Ilnicki, P., 1967 acidic. For hydrological analysis of boreal aapa mire wetlands check your email for instructions on resetting your.. And the rapid fluctuations seen in groundwater depths heterogeneous mixture of inorganic and organic matter.. Arrangement in the peat matter additions include decomposition degree of peat soils in Four Trial Sites ICCTF! Impact of agricultural management on fen peat soil properties are shown below ( table 1 and )... In Hydrophysical properties of peat soils in Four Trial Sites of ICCTF in Kalimantan and Sumatra,.. Physical and chemical properties, M.J. ( 1993 ) of peat soils are by... 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