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Photo Credit: Greg Roth, Penn State Extension.
Strategies for Planting Corn and Soybean Varieties - Articles Articles
Having a good plan for planting corn and soybean varieties can improve yields, minimize potential weather risks, and help to facilitate earlier planting of cover crops and small grains. More
Hemp Plots at Rock Springs Photo: Greg Roth, Penn State
Industrial Hemp Trial Report - Articles Articles

Industrial Hemp Trial Report

Gregory W. Roth, Ph.D.

In 2017, we conducted several trials to assess the potential of Industrial Hemp and several management variables as it affected seed production. More
2017 Soybean Variety Trials
2017 Soybean Variety Trials - Articles Articles

2017 Soybean Variety Trials

Gregory W. Roth, Ph.D., Mark Antle

Soybean tests are conducted annually to provide information regarding the performance of soybeans grown in Pennsylvania. More
2017 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report
2017 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report - Articles Articles
This report provides independent and unbiased information for the evaluation of commercial corn grain and silage hybrids available in Pennsylvania. More
Interseeded clover during midsummer under the corn canopy
Cover Crop Interseeder: Impacts on Corn Yield - Articles Articles

Cover Crop Interseeder: Impacts on Corn Yield

Gregory W. Roth, Ph.D., William S. Curran, Ph.D.

There is some concern about the impact of the cover crop on the corn. In most cases, though, we have observed that the corn is very competitive with the cover crop. More
Planting corn in an interseeded corn stubble field.
Cover Crop Interseeder: Improving the Success in Corn - Articles Articles

Cover Crop Interseeder: Improving the Success in Corn

Gregory W. Roth, Ph.D., William S. Curran, Ph.D.

Interseeding cover crops in corn is a promising management practice that could improve the adoption of cover crops where they have not been feasible before. More
2016 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report
2016 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report - Articles Articles
This report provides independent and unbiased information for the evaluation of commercial corn grain and silage hybrids available in Pennsylvania. More
From Harvest to Feed: Understanding Silage Management
From Harvest to Feed: Understanding Silage Management - Articles Articles

From Harvest to Feed: Understanding Silage Management

Coleen M. Jones, Gregory W. Roth, Ph.D., Virginia A. Ishler

Feeding adequate quantities of high-quality forages is the basis of profitable milk and livestock production. More
2014 Soybean Variety Tests
2014 Soybean Variety Tests - Articles Articles

2014 Soybean Variety Tests

Gregory W. Roth, Ph.D.

Soybean tests are conducted annually to provide information regarding the performance of soybeans grown in Pennsylvania. More
2015 Soybean Variety Tests
2015 Soybean Variety Tests - Articles Articles

2015 Soybean Variety Tests

Gregory W. Roth, Ph.D.

Soybean tests are conducted annually to provide information regarding the performance of soybeans grown in Pennsylvania. More
2014 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report
2014 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report - Articles Articles
This report provides independent and unbiased information for the evaluation of commercial corn grain and silage hybrids available in Pennsylvania. More
2015 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report
2015 Results: PA Commercial Grain and Silage Hybrid Corn Tests Report - Articles Articles
This report provides independent and unbiased information for the evaluation of commercial corn grain and silage hybrids available in Pennsylvania. More
2015 Winter Barley and Winter Wheat Performance Trials Report
2015 Winter Barley and Winter Wheat Performance Trials Report - Articles Articles
Penn State conducts variety performance trials with small grains (wheat and barley). More
2014 Winter Barley and Winter Wheat Performance Trials Report
2014 Winter Barley and Winter Wheat Performance Trials Report - Articles Articles
This article includes reports of winter barley and wheat performance trials conducted at Penn State in 2014. More
2016 Barley and Winter Wheat Performance Trials
2016 Barley and Winter Wheat Performance Trials - Articles Articles
Reports for winter barley, malting (spring and winter) barley, and wheat performance trials conducted at Penn State in 2016. More
2017 Barley and Winter Wheat Performance Trials
2017 Barley and Winter Wheat Performance Trials - Articles Articles
Reports for winter barley and wheat performance trials conducted at Penn State in 2017. Data is still being processed and files will be updated periodically. More
2016 Soybean Variety Tests
2016 Soybean Variety Tests - Articles Articles

2016 Soybean Variety Tests

Gregory W. Roth, Ph.D.

Soybean tests are conducted annually to provide information regarding the performance of soybeans grown in Pennsylvania. More
2013 Winter Barley and Winter Wheat Performance Trials Report
2013 Winter Barley and Winter Wheat Performance Trials Report - Articles Articles
Penn State conducts variety performance trials with small grains. More
Credit: Jeff Graybill
Pennsylvania Five Acre Corn Club - Articles Articles

Pennsylvania Five Acre Corn Club

Gregory W. Roth, Ph.D.

Pennsylvania Five Acre Corn Club is a collaboration between Penn State Extension and the Pennsylvania Corn Growers Association. More
Figure 1. The Penn State Cover Crop Interseeder and Applicator. (Photo: Greg Roth)
Cover Crop Interseeder and Applicator - Articles Articles

Cover Crop Interseeder and Applicator

Gregory W. Roth, Ph.D., Sjoerd Willem Duiker, Ph.D., CCA, William S. Curran, Ph.D.

The Penn State Cover Crop Interseeder and Applicator was designed to help establish cover crops in areas where cover crop establishment is not that feasible because of a late harvest and short season. More
Wind Damage Management in Corn
Wind Damage Management in Corn - Articles Articles

Wind Damage Management in Corn

Gregory W. Roth, Ph.D.

Damage seems to be a function of the exposure, planting date, corn borer injury, stalk rot and genetics and often varies dramatically from one field to the next. More
Winter Canola in Pennsylvania: Production and Agronomic Recommendations
Winter Canola in Pennsylvania: Production and Agronomic Recommendations - Articles Articles
Canola’s origin dates back to an oilseed crop grown in the 13th century called rapeseed. More
Whats Eating my Corn?
Whats Eating my Corn? - Articles Articles

Whats Eating my Corn?

Gregory W. Roth, Ph.D.

When we visited the plot in mid May to evaluate emergence, we noticed that in the very first plot a large patch had been destroyed by a bird or animal. More
Malting Barley in Pennsylvania
Malting Barley in Pennsylvania - Articles Articles

Malting Barley in Pennsylvania

Gregory W. Roth, Ph.D., Alyssa Collins, Ph.D., Austin Kirt

Demand for locally sourced malted barley, for local craft beer, has led to the development of malt houses in PA and other states in our region. More
Spring Canola in Pennsylvania: Production and Agronomic Recommendations
Spring Canola in Pennsylvania: Production and Agronomic Recommendations - Articles Articles
Canola’s origins date back to an oilseed crop called rapeseed, which was grown in the thirteenth century. More
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