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1 alkalinity of soil
English-Spanish dictionary of Geography > alkalinity of soil
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2 soil
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3 soil alkalinity
s.alcalinidad del suelo.
См. также в других словарях:
Soil pH — is the pH of soil water. It is based on the measurement of pH, which depends on the activity of hydrogen ions (H+) in a solution.There are many different methods to collect soil water, all which influence the measured soil pH in one way or… … Wikipedia
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alkali soil — soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably. [1910 15] * * * alkali soil, soil containing soluble mineral salts, in quantities sufficient to… … Useful english dictionary
alkali soil — soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably. [1910 15] * * * … Universalium
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Alkali — In chemistry, an alkali (from Arabic: Al Qaly القلي, القالي ) is a basic, ionic salt of an alkali metal or alkaline earth metal element. Alkalis are best known for being bases (compounds with pH greater than 7) that dissolve in water. The… … Wikipedia
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Alkali soils — Alkali, or alkaline, soils are clay soils with a relatively high exchangeable sodium percentage, a relative high pH (> 9), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 m. depth (in… … Wikipedia