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Tag "phosphorus"

Minnesota Corn: Fall vs. Spring – When to Apply Phosphorus

Minnesota Corn: Fall vs. Spring – When to Apply Phosphorus

👤By Paulo Pagliari, University of Minnesota Extension Nutrient Management Specialist 🕔Nov 9, 2017

Among the major nutrients (nitrogen, phosphorus and potassium), phosphorus (P) has the least mobility. As the fertilizer granule dissolves, most of the P in the fertilizer will likely only move a couple eighths of an inch away from the granule,

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Michigan: Nutrient Removal Rates by Crop

Michigan: Nutrient Removal Rates by Crop

👤By George Silva, Michigan State University Extension Specialist 🕔Oct 13, 2017

As 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 this grain, particularly the three major macronutrients: nitrogen (N), phosphorus

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Illinois Corn, Soybeans: New Grain Phosphorus and Potassium Numbers

Illinois Corn, Soybeans: New Grain Phosphorus and Potassium Numbers

👤By Emerson Nafziger, University of Illinois Extension Specialist 🕔Sep 8, 2017

Corn and soybean take up relatively large amounts of phosphorus (P) and potassium (K), and much of this P and K ends up in the grain that is taken off the field during harvest. In order to keep soil nutrient

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Iowa Corn, Soybeans: Managing Phosphorus, Potassium, and pH Following Drought

Iowa Corn, Soybeans: Managing Phosphorus, Potassium, and pH Following Drought

👤By Antonio Mallarino and John Sawyer, Iowa State University Extension Agronomists 🕔Aug 23, 2017

Dry conditions this summer in some parts of Iowa will result in low and variable crop yield. Low or variable crop growth and yield significantly affect phosphorus (P) and potassium (K) uptake and removal with harvest. If dry conditions continue

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Fertilizer Costs 2017-18: Expect Holding Pattern

Fertilizer Costs 2017-18: Expect Holding Pattern

👤By Gary Schnitkey, University of Illinois Ag Economist 🕔Jul 13, 2017

Fertilizer prices have fallen in recent years, leading to lower fertilizer costs, major costs of producing corn and soybeans that have declined the most since the commodity price declines in 2013. In central Illinois, fertilizer costs for corn fell from

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Nebraska: Delaying Fertilizer Applications of Phosphorus, Potassium, and Zinc

Nebraska: Delaying Fertilizer Applications of Phosphorus, Potassium, and Zinc

👤By Charles Shapiro, Brian Krienke, and Richard Ferguson, University of Nebraska-Lincoln 🕔Mar 8, 2017

Phosphorus, potassium and sulfur are essential plant nutrients and, if soil levels are limited, must be adequately supplied to crops to ensure optimal yield. Adding fertilizer containing these nutrients, as well as nitrogen, iron, zinc, and occasionally boron, is sometimes

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Arkansas Rice: Now’s the Time to Address P and K and Liming

Arkansas Rice: Now’s the Time to Address P and K and Liming

👤By Jarrod Hardke and Scott Stiles, University of Arkansas 🕔Mar 1, 2017

We should still be weeks away from any rice being planted which makes now a good time to address many of the questions coming in regarding phosphorus (P) and potassium (K) fertilization and lime applications in rice. Yes, timing of

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Fertilizer is Tough Sell in Europe, 50% Less Used in France  – DTN

Fertilizer is Tough Sell in Europe, 50% Less Used in France – DTN

👤By Russ Quinn DTN Staff Reporter 🕔Dec 9, 2016

Fertilizer regulations continue to be a burden for Europe’s retailers and farmers as the general public there looks at fertilizer as a bad thing, according to one European fertilizer insider. Some European farmers have moved toward organic crop production because

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Iowa Corn, Soybeans: 4 Management Options for P and K

Iowa Corn, Soybeans: 4 Management Options for P and K

👤By Antonio Mallarino, Iowa State University 🕔Oct 21, 2016

Bumper grain yields are being harvested from most Iowa fields this fall. However, due to low crop prices producers are thinking of reducing phosphorus (P) and potassium (K) fertilizer application rates. A few important management options should be considered when

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Illinois Soybeans: Are You Applying Enough P and K?

Illinois Soybeans: Are You Applying Enough P and K?

👤From the Illinois Soybean Association 🕔Oct 20, 2016

Phosphorus is now recognized as one of the most limiting nutrients in soybeans. It’s critical that you test soils for phosphorus and potassium frequently and apply enough nutrients to meet crop removal needs. Remember that corn and soybeans have distinct

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