Concepts
Register of all vocabulary concepts in this system.
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Displaying 161 to 180 of 1212 items.
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Calculated from conductivity of successive dilutions
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In 0.1 M Na3-EDTA-/- turbidimetric (Begheijn, 1993)
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Gravimetric after dissolution in 0.2 N HCl (USSR-method)
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Total-S, using LECO furnace, minus easily soluble MgSO4 and Na2SO4
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Cadmium is a heavy metal present in trace amounts in soils, often introduced through industrial pollution or phosphate fertilizers. It is toxic to plants, animals, and humans ...
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Calcium bound to exchange surfaces in the soil such as clay minerals and organic matter that can be released to the soil solution upon exchange
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Calcium bound to the soil matrix but that can be released into the soil solution (i.e. become bio-available)
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Soluble Calcium cations accumulated in the soil. A contributor to soil salinisation.
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Total calcium in soil includes all forms, from exchangeable calcium to calcium in minerals. It is essential for plant cell wall structure, enzyme activation, and soil aggregat...
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This term quantifies the fraction of calcium carbonate (CaCO₃) in soil, indicating its lime content. Calcium carbonate acts as a pH buffer, neutralizing soil acidity and enhan...
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The total calcium carbonate equivalent measures the full capacity of soil to neutralize acidity, considering all forms of carbonate and bicarbonate minerals. It is essential f...
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Fulvic acid carbon is the most soluble and bioavailable fraction of soil organic matter. It plays a significant role in improving nutrient uptake, soil structure, and microbia...
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Humic acid carbon is part of the soil organic matter, forming during the decomposition of plant and animal residues. It enhances nutrient retention, soil structure, and water-...
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Inorganic carbon in soil primarily consists of carbonates like calcium carbonate and magnesium carbonate. It contributes to soil pH buffering and is a significant feature of a...
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Organic carbon refers to the carbon component of soil organic matter, derived from decomposed plant and microbial residues. It serves as a key energy source for soil microbes ...
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Carbon in soil that is organically bound in organo-metal complexes
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Total carbon in soil includes both organic carbon (from plant and microbial residues) and inorganic carbon (primarily carbonates). It is a fundamental component of soil organi...
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Total humic carbon represents the stable fraction of soil organic matter derived from humified materials. It improves soil structure, nutrient retention, and water-holding cap...