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Tag "soil fertility"

Minnesota Corn: Rye Cover Crops on Irrigated Sands

Minnesota Corn: Rye Cover Crops on Irrigated Sands

👤By Natalie Ricks and Fabián Fernández, University of Minnesota Extension Specialists 🕔Jan 8, 2018

In Minnesota, approximately 500,000 acres of irrigated farmland are highly productive but susceptible to nitrate leaching to groundwater. Irrigated sandy soils are especially vulnerable to leaching. A recent study from University of Minnesota, with support from Pope County SWCD and

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Minnesota: Evaluating the Need for Sulfur in High Organic Matter Soils

Minnesota: Evaluating the Need for Sulfur in High Organic Matter Soils

👤By Daniel Kaiser, University of Minnesota Extension Soil Fertility Specialist 🕔Jan 5, 2018

Approximately 95 percent of the total sulfur in soils is found in organic matter. As soil organic matter breaks down, the S in the organic form mineralizes to sulfate-sulfur, the only form that plant roots can absorb. While we have

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Flint on Crops: Drought Can Affect Soil Test Results – Commentary

Flint on Crops: Drought Can Affect Soil Test Results – Commentary

👤By Ernie Flint, Mississippi State University Agronomist 🕔Dec 4, 2017

We have discussed this topic several times through the years, but it seems to be one of those things that can’t find a good place to stay in our minds. Considering all the rain we received during the early spring

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Minnesota: Nutrient Management Podcast – High Yields and Nutrient Removal

Minnesota: Nutrient Management Podcast – High Yields and Nutrient Removal

👤By Nora Nolden, University of Minnesota 🕔Dec 1, 2017

On this episode of the podcast, we’re talking nutrient removal in high yield cropping systems. Hear from Dan Kaiser, Jeff Vetsch, Melissa Wilson and Carl Rosen on covering removal rates with fertilizer and manure, maintaining soil tests and how to

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Kentucky: The Economic Value of Applying Fall Poultry Litter

Kentucky: The Economic Value of Applying Fall Poultry Litter

👤By Jordan Shockley, University of Kentucky Assistant Extension Professor 🕔Nov 28, 2017

Spring application of poultry litter is ideal for maximizing the economic value of poultry litter but faces challenges that include wet soil conditions, lack of time to spread litter near planting, and availability of poultry litter in the spring. Therefore,

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Minnesota: Fall N Loss – Do These Scenarios Apply to You?

Minnesota: Fall N Loss – Do These Scenarios Apply to You?

👤By Greg Klinger and Anne Struffert, University of Minnesota Extension Educators 🕔Nov 28, 2017

Not all fall-applied nitrogen sources are equal. Fall-applied anhydrous ammonia behaves very differently than fall-applied urea. Anhydrous ammonia is as harmful to microorganisms as it is to people, so the microbes that convert ammonium to nitrate in the soil are

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Flint on Crops: Yields Are Different for a Reason – Commentary

Flint on Crops: Yields Are Different for a Reason – Commentary

👤By Ernie Flint, Mississippi State University Agronomist 🕔Nov 27, 2017

We often underestimate our abilities to explain what we see as crops respond to field conditions from one year to the next. I can’t decide whether this stems from a real inability to see how the various sets of conditions

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Missouri: Inexpensive Soil Tests Can Save Farmers Thousands

Missouri: Inexpensive Soil Tests Can Save Farmers Thousands

👤By Linda Geist, University of Missouri 🕔Nov 24, 2017

Soil tests can save farmers thousands of dollars, says Manjula Nathan, director of the University of Missouri Soil and Plant Testing Laboratory. Too often, farmers follow routine fertilization schedules and end up applying too much fertilizer to fields, Nathan said.

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Texas Wheat: Crediting Soil N Can Cut Costs Without Cutting Yield

Texas Wheat: Crediting Soil N Can Cut Costs Without Cutting Yield

👤From Texas AgriLife Extension 🕔Nov 10, 2017

One of the foremost questions on many wheat producers’ minds this year is “Will I make any money on wheat?” While it is true wheat prices are down and many budgets are in the red, there are some steps that can

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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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