agrophysics - Instytut Agrofizyki im. Bohdana DobrzaÅskiego PAN w ...

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pH and Eh analyser – titrating station, manufacturer: HACH LANGE (2010) Measurements: • redox potential – standard redox electrode with integrated temperature sensor; operating range: +/-1200 mV; • pH – pH combined electrode; operating range: pH 0-14, applicable in water and soils; • potentiometric titration. Examples of use: • Oxygen status control, measurements of conductivity, redox potential and pH of surface waters and soil solutions; • Impact of sodium, redox potential and pH on biological activity of soils and other biological systems; • Determination of reduction resistance of soils; • Determination of FOS/TAC values in biogas reactors. EGM-4 – CO2 monitoring system in natural conditions, manufacturer: PP SYSTEMS (2010) • IRGA infrared CO 2 analyser in natural environments, greenhouses, growth chambers, etc. • Additional functions: temperature and soil moisture measurement. Examples of use: • Testing of respiratory activity of living ecosystem elements. • Testing of CO 2 assimilation by plants. • Testing of soil respiration depending on environmental conditions. • In situ testing of CO 2 emissions Measuring system Radiometer Copenhagen: PHM 82 STANDARD pH METER, PMM 64 RESEARCH pH METER, TTT 80 TITRATOR, manufacturer: Radiometer Copenhagen (1986) Measurements: pH, redox potential, potentiometric titration. FIAStar 5000 Analyzer of soluble nitrogen and phosphorus compounds, manufacturer: FOSS TECATOR (2000) Measurement of nitrates (NO 3- ), nitrites (NO 2- ), ammonium (NH 4+ ) and phosphates (PO 43- ) concentrations in potable water, groundwaters, surface waters and soil extracts. Examples of use: • Testing of pollution levels of water with soluble nitrogen and phosphorus compounds. • Leaching of fertilizers by percolation waters. 20 Laboratorium Systemu Korzeniowego Roślin
Laboratory of Plant Root Systems Department of Soil and Plant System Laboratory Supervisor: Artur Nosalewicz, PhD Tel. +48 81 744 50 61 Fax. +48 81 744 50 67 e-mail: a.nosalewicz@ipan.lublin.pl http://skr.ipan.lublin.pl http://www.ipan.lublin.pl The laboratory studies total and compensatory water uptake by the parts of root systems depending on the type and physical properties of soils and the opening of the leaf stomata in various weather conditions. The research involves long-term water uptake mechanisms related to the growth of root system (rooting depth, structural changes of roots) and short-term mechanisms, which are related to the movement of water in roots through various pathways. The mechanical properties of soils, e.g. penetration resistance and strength of soil and soil aggregates are significant indicators of the quality of the root growth environment. Research in these areas is useful in the solving of problems related to stability of soil structures and prevention of compaction caused by farming machines. Research profile: • Impact of soil environment on the growth and functioning of plant shoots and roots. • Impact of management practices on soil structure and physical properties. • Image analysis of soil pore-size distribution and root structure. Equipment Image analysis system for the examination of plant roots and shoots Software: WinRhizo PRO, REGENT INSTRUMENTS INC, (2007) MATLAB packages, including Simulink, SimBiology, Image Processing Toolbox, Statistics Toolbox, The MathWorks (2010) Epson XL10000 scanner with the transparent material adapter (2010) • Measurements of lengths and diameters of main and lateral roots; the number of nodes and branches of the root system located in a glass tray. • Measurement of the surface area of leaves during vegetation. • Analysis of leaves and roots colour. • Maximum measurement precision and size of analysed surfaces: 4000 dpi, A3. Examples of use: • Impact of tillage, compaction and pollution of soils on the root and shoot growth. • Resistance of plants to adverse soil conditions. Zwicki Line 5kN (BT1-FR5.0TN.D30) static compression and tensile strength testing machine, manufacturer: Zwick GmbH&Co. KG (2007) • Examination of mechanical properties of all materials applying forces up to 5000 N. • Measured values: - force, range: 0-5000N; precision: 0.25% - probe position • Heads: 100, 5000 N. Test space height: 1050 mm. Continuous deformation speed from 0.05 to 500 mm min-1. Compression and puncture test equipment. Fully configurable 0.1 compression and tensile programs. conventional • Automatic determination of maximum force, strength, elastic modulus 0.08 organic and other parameters. Examples of use: • Mechanical strength of soil structure elements. • Elastic modulus of plant and animal tissues. • Measurements of foodstuff textures. • Measurement of the puncture strength of cardboard packaging. Wytrzymałość (MPa) 0.06 0.04 0.02 0 15-20 30-35 Średnica (mm) 21
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Page 19: Laboratory of Gas Chromatography De
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Page 29 and 30: IPS UA ANALYZER, equipment for dete

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