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Soil resources of phosphorus |
Encyclopedia Article |
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Potassium deficiency symptoms in corn and soybean: What can we do about them? |
Encyclopedia Article |
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Management of phosphorus for crop production |
Encyclopedia Article |
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Interpreting results of the Mehlich-3 ICP Soil Phosphorus Test |
Encyclopedia Article |
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Why manage phosphorus? |
Encyclopedia Article |
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Phosphorus - Why the concern about water quality? |
Encyclopedia Article |
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Increasing the frequency of corn in crop sequences: Grain yield and response to nitrogen -- a research update |
Encyclopedia Article |
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Phosphorus in aquatic systems |
Encyclopedia Article |
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Foliar fertilization of soybean: Is it useful to supplement primary fertilization? |
Encyclopedia Article |
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Corn and soybean responses to deep-band phosphorus and potassium |
Encyclopedia Article |
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Corn leaf potassium deficiency symptoms |
Encyclopedia Article |
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Carbon and nitrogen cycling with corn biomass harvest |
Encyclopedia Article |
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Using precision agriculture to improve soil fertility management and on-farm research |
Encyclopedia Article |
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Using the Late Spring Soil Nitrate Test in 2022 |
ICM News |
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Nitrogen Considerations with Dry Conditions in 2017 |
ICM News |
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Flood Adulterated Grain - Nutrient Supply to Crops When Land Applied |
ICM News |
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What About Foliar Fertilization for Soybean This Year? |
ICM News |
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Nutrient Removal When Harvesting Corn Stover |
ICM News |
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Is In-Season Fertilization for Soybean Effective |
ICM News |
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Why are potassium deficiency symptoms showing now in corn and soybeans? |
ICM News |
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Yellow soybean too early this season? |
ICM News |
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The Moist Soil Test for Potassium and Other Nutrients: What's It All About? |
ICM News |
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Considerations for Spring Preplant Nitrogen Application for Corn with High Fertilizer Prices |
ICM News |
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Research Shows a Role for Phosphorus and Potassium Tissue Testing in Corn |
ICM News |
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Phosphorus and Potassium in Silage Harvest of Drought-Damaged Corn |
ICM News |
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Plant Tissue Testing may be Useful this Season but be Aware of Potential Drought effects on the Results |
ICM News |
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Fertilization Can Help with Cool Soils and Late Planting Dates |
ICM News |
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You Couldn’t Apply Phosphorus and Potassium Last Fall and Now It’s Too Wet |
ICM News |
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Upper Soybean Leaves Began Showing Potassium Deficiency Symptoms Since Early August in Some Iowa Fields |
ICM News |
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Getting Ready for Fall Fertilization |
ICM News |
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Wind Damaged Corn – Nutrient Content? |
ICM News |
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Be Cautious When Interpreting Early Fall Soil-Test Results |
ICM News |
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Soil Fertility Management Issues Following Drought-damaged Crops - Nitrogen |
ICM News |
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Give Careful Consideration to Likely High Soil and Cornstalk Nitrate Levels This Fall |
ICM News |
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Starter Fertilization Sometimes Boosts Corn Yield |
ICM News |
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High Yields, Low Grain Prices: Manage Phosphorus and Potassium Wisely |
ICM News |
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Beware of Dry Conditions When Soil Sampling and Interpreting Test Results |
ICM News |
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Late-Spring Soil Nitrate Test (LSNT) Use in 2019 |
ICM News |
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Making Fertilization Decisions as Fertilizer Prices Escalate and Production Costs Are High - Part 1 |
ICM News |
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Phosphorus and Potassium Management for 2020 after a Year with Highly Variable Yields |
ICM News |
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Is Tissue Testing Useful in Identifying Corn and Soybean Fields Responsive to Phosphorus and Potassium Fertilizers? |
ICM News |
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What causes striped corn leaves? |
ICM News |
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Care with Plant Nutrient Analysis |
ICM News |
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Don't Underestimate the Value of Starter Fertilizer for Corn Planted Late |
ICM News |
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Value of Soybean Tissue Testing for Phosphorus and Potassium |
ICM News |
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Cold Spring and High Fertilizer Prices may Make Starter Fertilizer More Important |
ICM News |
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Phosphorus, Potassium, and pH Management Following Drought Affected Crops |
ICM News |
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Fall Phosphorus and Potassium Fertilization Decisions with Variable Prices and Updated Soil-Test Interpretations |
ICM News |
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Soybean Potassium Deficiency Symptoms During Early and Late Growing Stages |
ICM News |
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Corn Following Corn in 2008 |
ICM News |
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Studying Stover Harvest Effects on Yield, Soil, Climate |
ICM News |
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Be Cautious When Interpreting Fall Soil-Test Results Following Drought |
ICM News |
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Change in Phosphorus and Potassium Contents of Cornstalks Over Time |
ICM News |
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Nitrogen Deficient Soybean with Excess Soil Moisture |
ICM News |
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Phosphorus, Potassium and pH Management Issues Following Drought-damaged Crops |
ICM News |
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Make Rational Decisions about Phosphorus and Potassium Management with Unfavorable Crop Prices |
ICM News |
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A New Late-Spring Soil Nitrate Test Publication Now Available |
ICM News |
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Newly Updated Phosphorus and Potassium Guidelines |
ICM News |
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Tissue Testing for Field Crops Requires Cautious Use and Interpretation |
ICM News |
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Making Fertilization Decisions as Fertilizer Prices Escalate and Production Costs Are High - Part 2 |
ICM News |
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Sidedressed Liquid Potassium Can Partially Offset Deficient Preplant Fertilization for Corn |
ICM News |
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Is Foliar Fertilization Useful to Supplement Pre-plant Fertilization |
ICM News |
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Thinking of Plant Tissue Testing this Season? Beware of Drought or Excess Moisture Effects |
ICM News |
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Phosphorus and Potassium in Silage Harvest of Drought-Damaged Corn |
ICM News |
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Soil-Test Interpretations for Fall Fertilization and Liming Decisions with High Fertilizer Prices and After Highly Variable Rainfall and Crop Yields |
ICM News |
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Update to Iowa Phosphorus, Potassium and Lime Recommendations |
ICM News |
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Revised beef cattle and dairy manure nitrogen and phosphorus crop availability ranges |
Blog Post |
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Making your fertilizer dollars stretch as fertilizer prices have increased |
Blog Post |
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What's with all the yellow soybean? |
Blog Post |
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Soil Fertility Web Site Update |
Blog Post |
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Fall Approaches – Time to Think about Crop Fertility for 2022 |
Blog Post |
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Sampling for the End-of-Season Corn Stalk Nitrate Test |
Blog Post |
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Considerations when planting soybean back-to-back |
Blog Post |
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2018 Soil Fertility and Nutrient Management Short Course |
Blog Post |
