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| Terms for subject Environment (6671 entries) |
| talajsavasodás | soil acidification (A naturally occurring process in humid climates that has long been the subject of research, whose findings suggest acid precipitation effects. The generally accepted impact of soil acidification on the productivity of terrestrial plants is summarised as follows: as soil becomes more acidic the basic cations (Ca, Mg) on the soil exchange are replaced by hydrogen ions or solubilized metals. The basic cation, now in solution, can be leached through the soil. As time progresses the soil becomes less fertile and more acidic. Resultant decreases in soil pH cause reduced, less-active population of soil microorganisms, which in turn slow decomposition of plant residues and cycling of essential plant nutrients) | |
| talajstabilitás | soil stability (Soil stability depends on its shear strength, its compressibility and its tendency to absorb water. Stabilization methods include physical compaction and treatment with cement, lime, and bitumen) | |
| talajstabilizálás | soil stabilisation (Chemical or mechanical treatment designed to increase or maintain the stability of a soil mass or otherwise to improve its engineering properties, as by increasing its shear strength, reducing its compressibility, or decreasing its tendency to absorb water. Stabilization methods include physical compaction and treatment with cement, lime, and bitumen) | |
| talajsüllyedés | soil subsidence (A sinking down of a part of the earth's crust, generally due to underground excavations) | |
| talajszalinitás | soil salination (The accumulation of soluble mineral salts near the surface of soil, usually caused by the capillary flow of water from saline ground water. Where the rate of surface evaporation is high, irrigation can exacerbate the problem by moistening the soil and causing water to be drawn from deeper levels as water evaporates from the surface. The evaporation of pure water leaves the salts behind, allowing them to accumulate, and they can reach concentrations that are toxic to plants, thus sterilizing the land) | |
| talajszelvény | soil profile (A vertical section of a soil, showing horizons and parent material) | |
| talajszennyezés | soil pollution (Modifications of soil features or, more generally, of its chemical and biological balance, caused by the discharge of polluting substances) | |
| talajszennyezés | land pollution (The presence of one or more contaminants upon or within an area of land, or its constituents) | |
| talajszennyezés megszüntetése | soil decontamination (Technologies employed in the removal of PCBs, PAH, pesticides and, more generally, of organic compounds by physical, chemical or biological treatments) | |
| talajszennyezőanyag | soil pollutant (Solid, liquid and gaseous substances that detrimentally alter the natural condition of the soil) | |
| talajszerkezet | soil structure (The combination or aggregation of primary soil particles into aggregates or clusters, which are separated from adjoining peds by surfaces of weakness. Soil structure is classified on the basis of size, shape, and distinctness into classes, types, and grades) | |
| talajszerkezet | soil texture (1. Refers to the relative proportions of the various size groups (sand, silt and clay) of the individual soil grains in a mass of soil. 2. Classification of soil by the proportion and graduations of the three size groups of soil grains, i.e., sand, silt and clay, present in the soil) | |
| talajtakarás | mulch (A layer of organic material applied to the surface of the ground to retain moisture; mulching is the spreading of leaves, straw or other loose material on the ground to prevent erosion, evaporation or freezing of plant roots) | |
| talajterhelés | soil loading (In soil mechanics and civil engineering the term is used to denote the increased weight brought to bear on the ground surface) | |
| talajtérkép | soil map (A two-dimensional representation that shows the areal extent or the distribution of soils in relation to other features of the land surface) | |
| talajtermékenység | soil fertility (The status of a soil with respect to the amount and availability to plants of elements necessary for plant growth) | |
| talajtípus | soil type (A phase or subdivision of a soil series based primarily on texture of the surface soil to a depth at least equal to plow depth (about 15 cm)) | |
| talajtömörítés | soil compaction (An increase in bulk density (mass per unit volume) and a decrease in soil porosity resulting from applied loads, vibration, or pressure. More compacted soils (or other materials) can support greater loads (load-bearing capacity). Bulk density can be increased by controlling the moisture content, compaction forces and treatment procedures, as well as by manipulating the type of material being compacted) | |
| talajtrágyázás | soil fertilisation (The application of any organic or inorganic material of natural or synthetic origins to a soil to supply one or more elements essential to the growth of plants) | |
| talajtudomány | soil science (The study of the properties, occurrence, and management of soil as a natural resource. Generally it includes the chemistry, microbiology, physics, morphology, and mineralogy of soils, as well as their genesis and classification) |