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Tag: productivity

Getting to Know Your Knolls Part 2: Understanding and Managing Low pH Knolls

Posted on September 24, 2020 (September 17, 2020) by Ben Rosser

Ben Rosser, Corn Specialist, OMAFRA While high pH knolls tend to be more common in Ontario, often caused by soil erosion leaving higher pH calcareous subsoils, this is not the case for all regions. How do low pH knolls develop? Low pH knolls (Figure 1) can develop on undulating landscapes where surface soils formed from […]

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