Minnesota Corn, Soybeans: Potassium Fertilizer – What to Know for Fall 2019 Oct 22, 2019

🕔Oct 22, 2019Changes were made to the corn and soybean potassium (K) guidelines in spring 2019. These changes reflect research funded through fertilizer checkoff dollars provided by Minnesota’s Agricultural Fertilizer Research and […]

Iowa Corn, Soybeans: P and K Management Following Highly Variable Yields Oct 2, 2019

🕔Oct 2, 2019Very variable weather this season will result in variable corn and soybean yield within and between fields. Entire fields or portions of fields were planted later than usual or were […]

Illinois Corn, Soybeans: Fall Fertilizer Considerations in 2019 Oct 1, 2019

🕔Oct 1, 2019The high number of prevented-planting fields in some areas, the late start to harvest, and the inability to apply P and K fertilizer as planned last fall or this past […]

Arkansas Rice: Sheath Blight and Potassium Deficiencies Jun 24, 2019

🕔Jun 24, 2019Scouting and Treating for Sheath Blight in Rice As various fields pass midseason it’s time to scout closely for disease. Conditions seem to be nearly ideal for sheath blight development. […]

Minnesota Corn, Soybeans: Updates to Potassium Fertilizer Guidelines Apr 23, 2019

🕔Apr 23, 2019Changes were recently made to the University of Minnesota’s potassium (K) fertilizer guidelines for corn and soybean. These changes were made to reflect research evaluating critical soil test levels and […]

Minnesota Corn, Soybeans: 5 Tips for Managing Potassium Fertilizer Apr 11, 2019

🕔Apr 11, 2019Decisions on optimal fertilizer management can be challenging in years with low commodity prices. Work is underway to overhaul the corn and soybean potassium (K) guidelines in Minnesota. When making […]

Florida Cotton: 6 Steps for Avoiding Potassium Deficiency Jan 25, 2019

🕔Jan 25, 2019Every year, I see more potassium (K) deficiency in cotton. This isn’t surprising, since yields have increased with modern cultivars and yield expectations (Fig. 1). The bolls we’re asking plants […]

Georgia Peanuts: Time for Pegging Zone Soil Samples Jun 20, 2018

🕔Jun 20, 2018It has been said, “If it don’t rain, it don’t matter.” We are putting out landplaster in peanuts now to supplement calcium. If we don’t have enough calcium, we get “pops”. This […]

Michigan: Nutrient Removal Rates by Crop Oct 13, 2017

🕔Oct 13, 2017As crops are being harvested and grain is taken to the storage or elevator, it is time to recognize the amount of nutrients that are removed from your field by […]

Mississippi Cotton: 6 Potential Causes for Potassium Deficiency Jul 15, 2016

🕔Jul 15, 2016If you have been applying potassium fertilizer at levels determined through routine soil sampling and are still observing potassium deficiency, there are 6 possible contributions to the problem.

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