Penn State Extension

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Blake Vince, no-till grain farmer from Ontario, showcases a latex cast of earthworm burrows, old root canals, and cracks and fissures from his soil with PSU Extension Educator Claire Coombs. Sjoerd Duiker.
Northeast Cover Crop Council Conference Showcases Cover Crop Innovations - News News
This Conference featured a wide variety of cover crop presentations and networking opportunities for farmers, industry, government and non-government organizations, extension and research. More
Figure 1. Cool-season perennials are the mainstay of pastured dairies in the Northeast. Credit: Sjoerd Duiker
No-Till Annuals to Beat the Summer Slump on a Dairy Farm - Articles Articles

No-Till Annuals to Beat the Summer Slump on a Dairy Farm

Sjoerd Willem Duiker, Ph.D., CCA, Dave Wilson, Jessica A. Williamson, Ph.D.

This case study demonstrates how a grazing dairy farmer in southeastern Pennsylvania beats the summer slump with cool- and warm-season annuals established with no-till practices. More
Posts between the oat and annual strip create a fence between strips that are grazed and strips with grain crops. Photo by Sjoerd Duiker
Integrating Grazing in No-Till Systems on a Grain Farm - Articles Articles

Integrating Grazing in No-Till Systems on a Grain Farm

Sjoerd Willem Duiker, Ph.D., CCA, Jessica A. Williamson, Ph.D.

The adoption of no-tillage systems in Pennsylvania creates opportunities to graze after harvest. This case study examines the integration of grazing and no-tillage on a grain farm. More
Figure 1: Well-managed perennial pasture can be a highly sustainable form of land use. Photo by Sjoerd Duiker
Plant Diversity to Extend the Grazing Season - Articles Articles

Plant Diversity to Extend the Grazing Season

Sjoerd Willem Duiker, Ph.D., CCA

This case study shows how a farmer in northwestern Pennsylvania is using annuals and perennials to expand his grazing season while managing for reduced inputs and improved soil health through integration of grazing and no-tillage. More
Cover crops of rye or wheat established after corn or soybean grain harvest can still provide excellent soil protection in spring, recycle nutrients, and improve soil
There is Still Time to Plant Cover Crops - Articles Articles

There is Still Time to Plant Cover Crops

Sjoerd Willem Duiker, Ph.D., CCA

Getting cover crops established after corn or soybeans can be especially challenging due to delayed harvests. Nonetheless, farmers should still plant cover crops for many reasons. More
Soil compaction threat during silage harvest is high this year. Image Credit: Mark Madden
Soil Compaction Threat is High - News News

Soil Compaction Threat is High

09/12/2018

After another prolonged period of rainfall, the soils across most of the commonwealth are again saturated. More
Cover Crop Seed Shortage This Fall
Cover Crop Seed Shortage This Fall - News News
If you are planning to buy cover crop seed, it is important that you do so quickly or there might not be any available. More
Calves grazing in warm season annuals as part of the USDA-NRCS Management Intensive Grazing demonstration at Ag Progress Days (S. Duiker)
Soil Compaction When Grazing in a Wet Summer - News News
Managing soil compaction while grazing can be a challenge in a wet summer like we are experiencing now, but it can be done, as we learned last week at Ag Progress Days. More
Oats. Photo: E. Swackhamer
Cover Crop Considerations after Small Grain Harvest - Articles Articles

Cover Crop Considerations after Small Grain Harvest

Sjoerd Willem Duiker, Ph.D., CCA

Planting a soil building cover crop after small grain harvest has many benefits, but needs to be tailored to your farm’s needs. More
Overgrazing pastures compromises pasture production and exposes the soil to erosion
Avoid Overgrazing Your Pastures - Articles Articles

Avoid Overgrazing Your Pastures

Justin Brackenrich, Sjoerd Willem Duiker, Ph.D., CCA

The summer is upon us and cool season grasses are slowing down their growth. This is the time to pay attention so you don’t overgraze those pastures. More
Soil erosion is still taking its toll in Pennsylvania but can be addressed by using proper management
Eliminating Soil Erosion - Articles Articles

Eliminating Soil Erosion

Sjoerd Willem Duiker, Ph.D., CCA

Soil erosion is still our number one sustainability issue. With the excessive rainfall we’ve had many fields are showing the scars of rills and gullies. And yet … We have the tools – so let’s put them to work. More
Photo Credit: Sjoerd Duiker, Penn State Extension.
Managing Soil Compaction Caused by Small Grain Silage Harvest - Articles Articles
Small grain silage harvest can cause soil compaction when the soil is wet. This can have negative effects on the following corn crop. More
Hairy vetch, rye, annual ryegrass, and clover cover crop being grazed. Photo Credit: Sjoerd Duiker, Penn State University
Grazing Crop Residues and Cover Crops - Articles Articles

Grazing Crop Residues and Cover Crops

Sjoerd Willem Duiker, Ph.D., CCA

Grazing has been largely excluded from our croplands but is receiving new interest as an additional profit center for farmers as well as a way to improve soil. More
Photo Credit: Sjoerd Duiker, Penn State Extension.
Repairing Erosion Damage and Protecting Your Fields - Articles Articles

Repairing Erosion Damage and Protecting Your Fields

Sjoerd Willem Duiker, Ph.D., CCA

Reports have come in about concentrated flow leading to rills and gully formation over the winter. How can you repair that and avoid it from happening again? More
Photo Credit: Sjoerd Duiker, Penn State Extension.
Threat of ‘Incidental Transfer’ of Manure to Streams - Articles Articles
With soil profiles being fully recharged with water and future runoff, creates the threat of ‘incidental transfer’ of nutrients and dissolved organic carbon from surface applied manure to streams and sinkholes. More
Potential to Integrate Grazing into No-Till Systems
Potential to Integrate Grazing into No-Till Systems - Articles Articles

Potential to Integrate Grazing into No-Till Systems

Sjoerd Willem Duiker, Ph.D., CCA

This publication details rotating perennial pastures with annual crops, grazing cover crops, and grazing crop residue—all of which show promise to improve profit and soil health and increase diversity on crop farms. More
How quickly can you increase soil organic matter content?
Can I Increase Soil Organic Matter by 1% This Year? - Articles Articles

Can I Increase Soil Organic Matter by 1% This Year?

Sjoerd Willem Duiker, Ph.D., CCA

Soil organic matter is a primary measure of soil health. It is important to monitor soil organic matter and try to increase it. But what is a realistic goal? More
Soil compaction at grain harvest and while grazing
Soil compaction at grain harvest and while grazing - Articles Articles

Soil compaction at grain harvest and while grazing

Sjoerd Willem Duiker, Ph.D., CCA

Try to avoid soil compaction if you still have corn and soybeans to harvest, or if you graze animals. More
Beating the Summer Slump on Dairy Farms with No-Till Annuals
Beating the Summer Slump on Dairy Farms with No-Till Annuals - Videos Videos

Beating the Summer Slump on Dairy Farms with No-Till Annuals

Sjoerd Willem Duiker, Ph.D., CCA

7:11

A grazing dairy in southeastern Pennsylvania meets summer forage needs with annual warm season mixtures planted in a continuous no-till system. More
Photo credit: Kelly Patches
Cover Crop Species to Plant Mid-September - News News
Cover crops are an important component of any cropping system. Selecting the right species for the time of year is a first step to success. More
Quick and Easy Worksheet for Assessing Traffic-Induced Soil Compaction Risk
Quick and Easy Worksheet for Assessing Traffic-Induced Soil Compaction Risk - Articles Articles
This worksheet gives you a simple, easy-to-use method for assessing the traffic-induced soil compaction risk posed by your field equipment. More
The ‘dweller’ dung beetle Sphaeridium scarabaeoides, a predator of fly larvae observed 4/21/17 in Tionesta, PA.
The Lowly Dung Beetle - Articles Articles

The Lowly Dung Beetle

Sjoerd Willem Duiker, Ph.D., CCA

Learn about the important role these often forgotten insects play on your livestock farm. More
Soil Health in Field and Forage Crop Production
Soil Health in Field and Forage Crop Production - Articles Articles

Soil Health in Field and Forage Crop Production

Sjoerd Willem Duiker, Ph.D., CCA

This publication emphasizes the natural principles of the no-till system and discusses 14 management techniques for improving soil health. More
Soil Crusting
Soil Crusting - Articles Articles

Soil Crusting

Sjoerd Willem Duiker, Ph.D., CCA

Reports have come in of emergence problems in soybean fields from soil crusting, which happens due to dispersion of soil particles, reorientation of dispersed particles, drying, and desiccation. More
Pennsylvania Soil Quality Assessment Worksheet
Pennsylvania Soil Quality Assessment Worksheet - Articles Articles

Pennsylvania Soil Quality Assessment Worksheet

Sjoerd Willem Duiker, Ph.D., CCA

This publication is intended to help agricultural producers, gardeners, and others assess the quality of their soil. More
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