This three-page article from Farming Ahead details how geophysical surveys can be used to estimate the plant-available water storage capacity of soil.
Geophysical property surveys can provide a valuable, long-term management tool and potentially save farmers many times this amount in reduced input costs on farms with a high spatial yield variability.
Electromagnetic and gamma emission surveys of crop paddocks can identify areas with the highest yield potential as well as limiting factors such as high salt levels or other subsoil constraints.
The surveys can also estimate the plant-available water storage capacity (PAWC) of the soil, allowing farmers to adjust inputs such as fertiliser to match anticipated crop yield.
Read more articles from Farming Ahead.
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