Research Updates

Rye cover crop
Rye cover crop

Rain-Fed Corn Growth and Development Following Cover Crops in 2017 February 13, 2018

Researchers in south central Nebraska examined potential effects of planting rye and a rye-mix cover crop following wheat and prior to corn in rain-fed conditions. Based on their findings, they offer two take-home messages for cover crop growers.

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Figure 1. Rye cover crop termination date and corn residue removal study at Rogers Memorial Farm near Lincoln.
Figure 1. Rye cover crop termination date and corn residue removal study at Rogers Memorial Farm near Lincoln.

Can a Rye Cover Crop Reduce Wind Erosion from Fields with Little Residue Cover? February 12, 2018

Researchers examined the effect of a rye cover crop on reducing soil erosion from wind in fields where a large amount of the crop residue had been removed.

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Figure 1. Manure being applied in a corn field, using a drag-hose system. Learn more in this month's Soil Health Nexus Blog article.
Figure 1. Manure being applied in a corn field, using a drag-hose system. Learn more in this month's Soil Health Nexus Blog article.

Can Manure Improve Soil Health or Soil Quality? February 8, 2018

Is land application of manure something you're considering or practicing? Two university research articles look at potential effects on soil health and soil quality.

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Photo of soybean and switchgrass barriers side by side.

Switchgrass Barriers as a Soil Water Conservation Practice February 7, 2018

Research was conducted to compare infiltration rates in switchgrass barriers and a soybean field. Results showed the value of grass barriers in improving soil structure and infiltration and reducing runoff of sediments and nutrients.

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Chart showing tiller numbers of two varieties of indiangrass

Does Seeding Rate Affect Establishment-Year Growth and Long-term Forage Yield of Indiangrass? February 5, 2018

Recent improvements in forage yield and nutritive value of indiangrass, along with its wide range of adaptation should increase its use in bioenergy and forage production, conservation practices, and reclamation projects in the central Great Plains. This study tested five seeding rates with two varieties — 'Oto' and 'NE 54' — and the effects on dry matter production

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Graph of stand frequency for two indiangrass varieties

Does Weed Control Method Impact Indiangrass Establishment and Persistence? February 5, 2018

This study evaluated two weed control methods and seeding rates on establishment and persistence of two indiangrass cultivars, ‘Oto’ and ‘NE 54’, from 2003 to 2007.

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Figure 1. Extension Educator Gary Lesoing examines harvest data at one of the many on-farm research trials being conducted across the state. (Photo by Laura Thompson)
Figure 1. Extension Educator Gary Lesoing examines harvest data at one of the many on-farm research trials being conducted across the state. (Photo by Laura Thompson)

Growers Statewide to Share On-Farm Research Results January 26, 2018

Farm operators and agronomists from across the state are invited to hear about results from over 80 on-farm research projects at the Nebraska On-Farm Research Network update meetings this February. Projects cover products, practices, and new technologies that impact farm productivity and profitability.

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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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