Will 100 Pounds of Potassium in Soil Be an Issue With Peanuts Peanut Notes No. 29 2018

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Growers often apply 250 pounds per acre of potash for fertility maintenance so this amount of potassium should not be an issue. It is important not to reduce the gypsum rate in these fields but do not apply excessive amounts of gypsum. We have seen negative effects of higher rates of gypsum if soil pH is low (see page 24 in 2018 Peanut Information).