Brian Krienke - Soils Extension Educator

Brian Krienke

(faculty)
Work Plant Sciences Hall (PLSH) 362E
Lincoln NE 68583-0915
US
Work 402-472-5147 On-campus 2-5147

@krienke_unlsoil

Spring N application in the field
Growers planning for their 2019 N management in corn might consider the potential for increased N efficiency and reduced loss from split applications at planting and up to R3 growth stage rather than a fall application.

Consequences of Fall-Applied N November 9, 2018

A fall nitrogen application has a relatively high loss potential and is considered the riskiest N management practice. Consider breaking tradition and splitting your N applications next year to coincide with when your corn most needs more N.

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Figure 1. Drilling cereal rye into corn stubble in Dodge County, October 19, 2018.
Figure 1. Drilling cereal rye into corn stubble in Dodge County, October 19, 2018. (Photo by Katja Koehler-Cole)

It’s Not Too Late to Plant Cereal Rye as a Nitrogen Catch Crop Before Soybean October 24, 2018

In trials conducted at three research stations in eastern, northeastern and south-central Nebraska, researchers investigated rye productivity and its ability to scavenge N when grown as a cover crop between full-season corn and soybeans.

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Flooding and Ponding in Corn June 22, 2018

Ponding or flooding of fields affects corn differently at different stages, depending on duration of flooding and other factors. Growers should assess the potential for nitrogen loss and increase scouting for corn disease in these fields.

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Chart of residue required for different slopes

Crop Residue and High-Carbon Char: Potential Soil Conservation Tools May 8, 2018

Soil is the single most important resource on which our agriculture depends. Proper soil management is necessary to sustain long-term agricultural productivity. Soil loss through erosion or run-off hurts agricultural production with depletion of organic matter and fertility. It also has environmental implications.

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Cereal rye cover crop

Q&A on Grazing Cereal Rye after an Anhydrous Application April 19, 2018

This week a CropWatch reader asked: Can you safely graze cover crop rye this spring after anhydrous has been applied? That depends on several factors, write three extension specialists in agronomy and beef production.

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Figure 1. Land-applied manure from finishing 5 million beef cattle per year in Nebraska contains the equivalent of 150 lb/ac/yr N applied to 1.2 million acres.
Figure 1. Land-applied manure from finishing 5 million beef cattle per year in Nebraska contains the equivalent of 150 lb/ac/yr N applied to 1.2 million acres.

Fertilizer N Substitution Values of Land-Applied Organic Materials January 8, 2018

An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics on accounting for nitrogen from land-applied manure when determining soil nutrient needs for crop production.

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Chart of N research treatments

Feasibility of Sensor-Based Nitrogen Fertigation Management in Corn January 8, 2018

An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics on university research testing sensor-based N fertigation treatments.

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Land-applied manure
Research to validate or adapt canopy sensor-guided in-season N application practices for manured fields was evaluated in two trials.

Adaptation of Canopy Sensor-Guided In-Season Nitrogen Application for Manured Fields January 8, 2018

An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics on research on land application of manure to enhance soil nutrients for crop production.

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