Plan – Area
An accurate plan of the property is required (1 : 2000) with all
the natural features. These are shown by an aerial photo from
DOLA . The area location of the property and the Land Capability
Boundaries of documented reports for the area.
The latest aerial photography and 2 – 5 metre
contours overlaid on the plan help to define soil boundaries and
natural features. The general topography of the property and the
slopes can be determined.
Vegetation – Pasture
The natural vegetation can determine the soil types of the property
as some plant species prefer a certain soil type and are more
prolific in these areas.
Existing pasture can also show changes in soil types by the density
and type of pasture.
Soil Investigation – Type
To clearly determine the variation of soil types within their profiles, excavated
backhoe pits are used to determine topsoil depth to clay subsoil. The profiles are photographed and logged for inclusion in the report. The minimum density of the pits is 14 per 40 hectares.
Soil texture, drainage, root depth and seepage areas are logged.
Subject to the location, soil types and available water supplies,
perennial crop options are documented.
The annual crops available for different properties are subject to soil types and land capability units. E.g. pasture, vegetables, flowers.