Concepts

Register of all vocabulary concepts in this system.

Alternate views of this register are available here

Displaying 801 to 820 of 1212 items.

Sodium (Na+) - exchangeable %

created : not supplied
modified : not supplied
definition : Exchangeable sodium percentage (ESP) measures the proportion of sodium ions in the cation exchange complex. High ESP levels (>15%) indicate sodic soils, which are prone to poo...
inScheme :

Code list for physioChemicalProperty - codelist scheme

Sodium (Na+) - soluble

created : not supplied
modified : not supplied
definition : Soluble Sodium cations accumulated in the soil. A contributor to soil salinisation.
inScheme :

Code list for physioChemicalProperty - codelist scheme

Soft

created : not supplied
modified : not supplied
definition : Can be broken between forefinger and thumb nail
inScheme :

Code list for mineralConcHardnessValue - codelist scheme

Soft

created : not supplied
modified : not supplied
definition : Soil mass is very weakly coherent and fragile; breaks to powder or individual grains under very slight pressure.
inScheme :

Code list for consistenceDryValue - codelist scheme

Soft concretion

created : not supplied
modified : not supplied
definition : Soft concretion
inScheme :

Code list for mineralConcKindValue - codelist scheme

Soft segregation (or soft accumulation)

created : not supplied
modified : not supplied
definition : Differs from the surrounding soil mass in colour and composition but is not easily separated as a discrete body.
inScheme :

Code list for mineralConcKindValue - codelist scheme

Soil augering description

created : not supplied
modified : not supplied
definition : Soil augerings do no permit a comprehensive soil profile description. Augerings are made for routine soil observation and identification in soil mapping, and for that purpose ...
inScheme :

Code list for profileDescriptionStatusValue - codelist scheme

Soil augering description - no sampling

created : not supplied
modified : not supplied
definition : If soil description is done without sampling.
inScheme :

Code list for profileDescriptionStatusValue - codelist scheme

Soluble salts

created : not supplied
modified : not supplied
definition : Soluble salts refer to dissolved salts in the soil solution, primarily composed of sodium, calcium, magnesium, chloride, and sulfate ions. Excessive soluble salts cause salini...
inScheme :

Code list for physioChemicalProperty - codelist scheme

Sorghum

created : not supplied
modified : not supplied
definition : Crop code for Sorghum from Cereals class
inScheme :

Code list for cropClassValue - codelist scheme

Soybeans

created : not supplied
modified : not supplied
definition : Crop code for Soybeans from Oilcrops class
inScheme :

Code list for cropClassValue - codelist scheme

Sprinkler irrigation

created : not supplied
modified : not supplied
definition : Human Influence on landsacpe affected by sprinkler irrigation
inScheme :

Code list for humanInfluenceClassValue - codelist scheme

Steep

created : not supplied
modified : not supplied
definition : 30–60 % of slope gradient
inScheme :

Code list for slopeGradientClassValue - codelist scheme

Sticky

created : not supplied
modified : not supplied
definition : After pressure, soil material adheres to both thumb and finger and tends to stretch somewhat and pull apart rather than pulling free from either digit.
inScheme :

Code list for stickinessValue - codelist scheme

Stone line

created : not supplied
modified : not supplied
definition : any content, but concentrated at a distinct depth of a horizon
inScheme :

Code list for rockAbundanceValue - codelist scheme

Stones

created : not supplied
modified : not supplied
definition : Stones of coarse size 6cm–20cm
inScheme :

Code list for fragmentsSizeValue - codelist scheme

Stones

created : not supplied
modified : not supplied
definition : Rock fragments mainly stones of size from 60mm–200mm
inScheme :

Code list for rockSizeValue - codelist scheme

Stones and boulders

created : not supplied
modified : not supplied
definition : Combination of stone and boulders
inScheme :

Code list for rockSizeValue - codelist scheme

Strong

created : not supplied
modified : not supplied
definition : Aggregates are clearly observable in place and there is a prominent arrangement of natural surfaces of weakness. When disturbed, the soil material separates mainly into entire...
inScheme :

Code list for structureGradeValue - codelist scheme

Strong (hemic)

created : not supplied
modified : not supplied
definition : Strong (hemic) class of decomposition: > 0.17g cm-3
inScheme :

Code list for bulkDensityPeatValue - codelist scheme