Soil Fertility

Chart depicting relationship between soil organic carbon and available water holding capacity in sandy soil.

The Water-Soil Health Connection September 29, 2017

Cover crops, crop rotation, and other means for improving soil health are among the research areas pursued by the Soil Health Institute, a non-profit organization supporting soil stewardship and advancing soil health. Learn more about its work and the research it's spotlighting this week.

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N losses

Managing Nitrogen to Reduce Losses as Nitrous Oxide September 18, 2017

Nitrogen is a key factor in farm management and economics. One of the most expensive inputs for corn production, it can be easily lost to the environment. One avenue for losing N, as nitrous oxide, has an impact on our climate as a greenhouse gas. Successful strategies for reducing N losses, especially as nitrous oxide, benefit both farmers and the environment.

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Fertilizer Management for Winter Wheat August 29, 2017

With winter wheat planting drawing near, it's time to collect soil samples and determine fertilizer needs. Use the nitrogen and phosphorus information to guide your strategy.

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Taking the corn stalk nitrate test in the field

Evaluating N Management with the Corn Stalk Nitrate Test August 23, 2017

When is this test best used? Often it may be well used to compare nitrogen uptake between two practices in corn.

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Market Journal title

Market Journal on Nitrate Leaching, Marestail Control and More June 9, 2017

On this week's Market Journal with host Jeff Wilkerson view these segments:

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Cover of the new ISU Publication,

Iowa Releases New Publication on Use of the Late Spring Soil Nitrate Test June 8, 2017

Following heavy spring rains, farmers may be interested in testing for soil nitrogen availability. This article notes a new publication from Iowa State University on using the Late Spring Soil Nitrate Test (LSNT) as well as other options for assessing soil nitrate.

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Chart of potential for nitrate-N leaching in spring 2017

Risk of Nitrate Leaching Across Nebraska as of May 21, 2017 May 25, 2017

Following heavy spring rains UNL soil scientists model potential loss of nitrate-N to soil leaching, finding an average 14% loss from mid-April levels, with three sites with much higher losses.

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Center pivot irrigated soybeans
Management in a successful soybean-after-soybean cropping system may require growers to make some slight adjustments in their practices, including irrigation, seed selection, and pest management.

Planting Soybean after Soybean (Part 2): In-Season Management Considerations April 13, 2017

In Part 1 of this article, we look at considerations for planting soybean after soybean. In this article, Part 2, we share considerations for in-season management.

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