Soil Management

Routes of nitrogen loss in the soil

Nitrogen Inhibitors for Improved Fertilizer Use Efficiency January 14, 2019

This article looks at how some nitrogen inhibitors temporarily reduce populations of Nitrosomonas and Nitrobacter bacteria, the soil bacteria responsible for converting ammonium to nitrite and nitrite to nitrate as well as what to look for in product claims.

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Chart of nitro use efficiency and partial profits

Profit and Nitrogen Use Efficiency Gain Using Sensor-Guided Fertigation January 9, 2019

A UNL study of sensor-based and model-informed fertigation treatments confirms that sensor fertigation treatments are consistently the most profitable and efficient methods of applying N compared to current best management practices (BMPs).

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Chart of grain yield (averages for 15 site-years) with five P application practices.

Fertilizer P for Corn: Update of Research Findings and Revised Recommendations January 9, 2019

Results of research conducted since 2000 to address fertilizer phosphorus (P) for corn will be reviewed. The current fertilizer P recommendations for corn will be discussed and revised recommendations presented at the 2019 Crop Production Clinics.

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Figure 1. Final soybean stand count was not necessarily an indicator of yield in this 2017 study of the effects of late-season (R3) nitrogen application in soybean. The Lincoln County plot (left) had a final stand count of 72,000 plants per acre and yielded 72.7-73 bu/ac. The Perkins County plot (right) had a final stand count of 161,000 plants per acre and yielded 74.4-77 bu/ac.

Is Late Season N Fertilization Warranted for Irrigated Soybean in Western Nebraska? November 2, 2018

On-farm research trials were conducted in three southwest Nebraska counties to study whether a late season N application during the pod setting and seed filling phases would increase soybean yields.

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Odor plumes from land application of manure
Odor plumes from land application of manure

Timing Manure Application to Avoid Neighbor Nuisances August 14, 2018

Roughly half of all neighbor complaints of livestock odors originate from land application of manure. This article outlines the weather conditions to consider when planning a manure application.

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What's New with S Fertilizer Use? April 5, 2018

When is applying sulfur likely to be profitable and when is it cutting into your potential profit? This brief shares information from more than 100 university trials verifying current university recommendations.

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How do You Define Soil Health? April 4, 2018

For many people the definition of soil health depends on their perspective and use of the soil. While definitions can vary widely, there are four common practices that everyone should consider to ensure healthy soil biota.

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Legumes Can Benefit Your Pasture Mix March 2, 2018

Five years of grazing research in eastern Nebraska showed that brome/legume pastures produced almost four-tenths of a pound higher average daily gain on yearlings than did straight brome pastures fertilized with 50 lbs of nitrogen. Adding legumes to your pasture mix may be just the boost your production system needs.

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