A pH meter can do more than just testing soil pH. Many also measure different elements, such as light, moisture, and humidity, which add cost to the devices. Those looking for a meter that exclusively ...
Figure 1: Soil pH at 0.5 m depth versus annual water balance. Figure 2: Outliers from the global relationship between pH and MAP minus PET. By assuming a threshold between CaCO 3-buffered and Al(OH) 3 ...
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