Concepts

Register of all vocabulary concepts in this system.

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Displaying 181 to 200 of 1212 items.


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definition : The C/N ratio represents the proportion of carbon to nitrogen in organic matter. It influences decomposition rates and nutrient availability. A lower C/N ratio promotes rapid ...

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definition : Soluble carbonates contribute to soil alkalinity and act as a pH buffer. They play a role in nutrient availability, particularly in arid and semi-arid regions, but excessive c...

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definition : Primary cementing material containing Carbonates

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definition : Nature of mineral concentration with Carbonates (calcareous)

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definition : Nature of mineral concentration with Carbonates–silica

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definition : Primary cementing material containing Carbonates–silica

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definition : Crop code for Cassava from Roots and tubers class

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definition : CEC measures the soil’s ability to hold and exchange positively charged ions (cations). It is a critical indicator of soil fertility, as higher CEC values imply greater capaci...

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definition : ECEC is the sum of exchangeable cations in soil at its natural pH. It provides a measure of the soil’s fertility under acidic conditions, as it considers both base cations and...

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definition : Cemented mass cannot be broken in the hands and is continuous (more than 90 percent of soil mass).

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definition : Crop code for Cereals class

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definition : Elongated voids of faunal or floral origin, mostly tubular in shape and continuous, varying strongly in diameter. When wider than a few centimetres (burrow holes), they are mo...

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definition : Biological feature of Charcoal

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definition : Soluble Chloride anions accumulated in the soil. A contributor to soil salinisation.

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definition : Crop code for Citrus from Fruits and melons class

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definition : Primary cementing material containing Clay

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definition : Very fine mineral particles smaller than 2 µm

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definition : Nature of mineral concentration with Clay (argillaceous)

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definition : Clay carbonate refers to clay particles that are associated with or contain carbonate minerals, particularly calcium carbonate (CaCO₃). These carbonates are typically present ...