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by Jenny Rees
Last Irrigation: With many area cornfields in beginning dent and starch fill, I should have written about last irrigation last week. You may be wondering how to schedule the last irrigation. For those of you with watermark sensors or soil moisture sensors, the goal is to use them to determine when the soil profile reaches 60 percent depletion (for silty-clay soils in our area, aim for an average of 160 kpa of all your watermark sensors).


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