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The dirt on soil tests

With soil nutrient levels dropping, how do you need to change your soil-testing program and fertility rates?

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Fewer farmers are sampling their soils. In Ontario, the numbers say fewer than 30 per cent of farmers test every three years, even though this trend is leading to a data gap at a time when everything else seems to be changing too, such as the rapid climb in yield potentials, and elite corn hybrids that are so much more efficient at extracting nutrients.

Also worrying is that the experts are lining up to tell us that, one way or another, more farmers are mining their soils. Read more