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 | nutrient deficiency |
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| nutrient removal |
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| oats |
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| oilseeds |
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| plant analysis |
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 | potassium |
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| Brazil |
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| Eastern Canada & Northeast U.S. |
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| CT-01F | Potassium Fertilization of Kentucky Bluegrass to Increase Summer-stress Tolerance | |
| DE-04F | Potassium Fertilizer Requirements of Corn and Soybean on Delaware Soils | |
| NB-01 | Forage N, P and K Nutrient Needs | |
| NY-05F | Managing Nitrogen and Potassium in Brown Midrib Sorghum Sudan Grass | |
| NY-09 | New York Potassium Needs for Alfalfa | |
| OH-02F | Potassium and Phosphorus Interactions on Corn Production | |
| OH-12F | Response of Corn and Soybeans to Differing Soil Test Phosphorus and Potassium Concentrations | |
| OH-16F | Evaluation of Potassium Fertilizer Management and Tissue Critical Levels in No-Till Soybean Production | |
| ON-16 | Potassium Placement for Conservation-till Corn Production in Ontario: Residual Effects on Following Soybean Crop | |
| ON-18 | Potassium Sources for Soybeans | |
| ON-24F | Yield Response of Intensively Managed Corn and Soybean to Potassium Fertilizer Rate and Placement | |
| ON-25 | The Impact of Potassium Management on Conservation Tillage Soybean Production | |
| ON-28 | Optimizing Application of Phosphorus and Potassium to Processing Tomatoes under Drip Irrigation | |
| VA-10F | Soil and Foliar Potassium Fertilization of Cotton | |
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