At first glance, soil sampling would seem to be a relatively easy task. However, when you consider the variability that likely exists within a field because of inherent soil formation factors and past ...

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Soil color could replace expensive chemical tests, helping farmers monitor fertility and carbon faster and more safely.

The system has already been tested both in potting soil in the lab and in the field in Germany, where it measured oxygen dynamics in soil layers over several months without malfunctioning, even in ...