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exchange capacity of soil

См. также в других словарях:

  • Cation exchange capacity — In soil science, cation exchange capacity (CEC) is the capacity of a soil for ion exchange of positively charged ions between the soil and the soil solution. (A positively charged ion, which has fewer electrons than protons, is known as a… …   Wikipedia

  • 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

  • Soil carbon — is the generic name for carbon held within the soil, primarily in association with its organic content. This discussion begins with a brief introduction to soil carbon, its function within the soil, influences on soil carbon, and finally the… …   Wikipedia

  • Soil chemistry — studies the chemical characteristics of soil. Soil chemistry is affected by mineral composition, organic matter and environmental factors.OverviewUntil the late 1960s, soil chemistry focused primarily on chemical reactions in the soil that… …   Wikipedia

  • cation exchange capacity — noun the measure of the potential of a soil to retain exchangeable cations; usually expressed in millimoles of positive charge per kilogram of soil …  

  • cation exchange capacity —   ability of the soil to retain cations and thus be fertile …   Geography glossary

  • cation exchange capacity —    The sum total of exchangeable cations that a porous medium can absorb. Expressed in moles of ion charge per kilogram of soil (or of other exchanges such as clay) [22] …   Lexicon of Cave and Karst Terminology

  • Ion exchange — Ion exchanger Ion exchange resin beads …   Wikipedia

  • Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

  • Paxton (soil) — Paxton, Fine Sandy Loam The Official State Soil of Massachusetts The Paxton soil series was established in Worcester County Massachusetts in 1922, and is named for the town of Paxton where it was first described and mapped. In 1991, the… …   Wikipedia

  • Characterisation of pore space in soil — Soil is essential to most animals on the earth. It is a relatively thin crust where an even smaller portion contains much of the biological activity. Soil consists of three different phases. A solid phase (≈ 20%) that contains mainly minerals of… …   Wikipedia

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