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Soil Mapping

PRECISION AG Slide

Soil Mapping

OVERVIEW

While the majority of growers know and understand the variability of their soil types throughout their own farm, gaining a spatially accurate appreciation of soil variability is crucial for effective Precision Ag applications. Soil mapping can provide the additional data required to build more robust and accurate prescription maps, when targeting specific variable rate applications. In addition, the use of soil data in conjunction with yield data can provide more in-depth agronomic assessments, when used to identify correlations and performance measures. 

WHY MAP SOIL?

Soil electromagnetic (EM) value relates to soil properties that are agronomically important; pH, Potassium, sodicity, depth to clay and water holding capacity. This can provide a more accurate and solid starting point for the management of soil variability. With adequate soil testing (ground truthing) the EM map can be used as a proxy map of soil properties. Patterns of EM in-field remain relatively stable and only ever need to be collected once.

PROCESSES

Working in collaboration with other parties, Farmanco can co-ordinate with specialist providers to provide the collection of soil EM and gamma surveying data and process the data into required outputs.

BENEFITS

    • Depth to Clay measurements
    • Deep Ripping Maps
    • Variable Rate Liming
    • Variable Rate Potassium
    • Variable Rate Gypsum

 

CORRELATION BETWEEN SHALLOW EM & LIMING

Lime Zone Boundaries at 10, 16 & 20mS/m Dual EM Shallow

(Source: PAA case studies)

Contact

Blake O’Meagher

Andrew Smith

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