Dept of Environment, Water and Natural Resources - Physical Condition of Surface Soil

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Physical condition of surface soil mapping highlights areas where plant growth may be impeded due to poor surface soil structure, predominantly due to a condition known as hard setting. Mapping shows the proportion of land with surface soils susceptible to hard setting or sealing, while detailed proportion data are supplied for calculating respective areas of each physical condition of surface soil class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Physical Condition of the Soil

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Physical condition of soil provides an integrated view of various physical impediments to plant growth associated with surface soils, subsoils and other limitations (e.g. waterlogging, salinity, rockiness or steepness). Mapping shows the most limiting soil physical condition (provided it occupies at least 30% of a map unit), while detailed proportion data are supplied for calculating respective areas of each physical condition of soil class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soil Alkalinity

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Alkalinity is usually an inherent characteristic of soils, and alkaline soils are largely confined to areas with less than 400 mm annual rainfall. Mapping shows surface and subsoil alkailinty, while detailed proportion data are supplied for calculating respective areas of each alkalinity class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Surface Rockiness (soils)

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Surface rockiness mapping describes the overall amount of surface stones and outcropping rock, in the context of management implications for farming. Mapping shows the estimated average degree of rockiness, while detailed proportion data are supplied for calculating respective areas of each surface rockiness class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soil Water Repellence

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Water repellence, or non-wetting, due to coating of soil particles by waxy materials from the breakdown of plant debris can result in water beading on the surface, uneven wetting and large masses of soil remaining dry. Mapping shows the proportion of land affected and degree of water repellence, while detailed proportion data are supplied for calculating respective areas of each water repellence class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soil Rootzone Depth Potential CE - Above ground annual crops (e.g. brassicas)

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Potential rootzone depth for irrigated horticultural crops is affected by a range of soil parameters (e.g. soil physical condition, hard rock or hardpan, soluble salts, boron concentrations, alkalinity, acidity and sodicity). Mapping shows the estimated average potential rootzone depth for above ground annual crops (e.g. brassicas), while detailed proportion data are supplied for calculating respective areas of each rootzone depth potential class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soil Salinity - Watertable induced

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This assessment refers to salinity which is linked to watertables. Soluble salts in soils affect plant growth by restricting water uptake. Salinity has varying degrees of severity and distribution. Mapping shows the degree of salinity and the proportion of land affected by discrete highly saline seepage, while detailed proportion data are supplied for calculating respective areas of each watertable induced salinity class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soils (soil type)

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Sixty one soils (soil types) represent the range of soils found across South Australia’s agricultural lands. Mapping shows the most common soil within each map unit, while more detailed proportion data are supplied for calculating respective areas of each soil type (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soil Rootzone Depth Potential CC - Hardy horticultural crops (e.g. grapes, olives)

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Potential rootzone depth for irrigated horticultural crops is affected by a range of soil parameters (e.g. soil physical condition, hard rock or hardpan, soluble salts, boron concentrations, alkalinity, acidity and sodicity). Mapping shows the estimated average potential rootzone depth for hardy crops (e.g. grapes, olives), while detailed proportion data are supplied for calculating respective areas of each rootzone depth potential class (spatial data statistics).

Dept of Environment, Water and Natural Resources - Soil Surface Carbonate

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Surface carbonate often occurs as finely divided particles which reduce nutrient availability to plants and retard the degradation of some herbicides. Mapping shows the proportion of land with calcareous surface soils, while detailed proportion data are supplied for calculating respective areas of each surface carbonate class (spatial data statistics).