Penn State Extension

16 Results

List Grid

These wood chips, left over from maintenance operations, could be a feedstock for biochar production.
PA State Wood Energy Team Highlights/Next Steps - News News
Penn State Extension Shifting Program to Biochar for Energy and Coproducts More
Proposed Solar Farm at Hunker Wastewater Treatment facility
Regional Water Authority Begins Move to Renewable Energy - News News
Penn State Extension's REMAP Program Brings Renewable Energy Cost Savings to Western PA More
Biochar: When Less is More Biochar: When Less is More - News

Biochar: When Less is More

12/05/2017

Thermal treatment of biomass may hold the key to developing new bioenergy markets More
Applied Biogas Technology: Converting Organic Waste to Energy
Applied Biogas Technology: Converting Organic Waste to Energy - Online Courses Online Courses
$69.00
Biogas is renewable natural gas produced from organic waste. This course explains how biogas is produced, the equipment needed, and how to estimate yield. More
Average US Cost to Produce Solar PV Power, based on NREL Data
Solar Parity Drawing Near - Articles Articles

Solar Parity Drawing Near

Edward Johnstonbaugh

Many Regions in the US are reaching a tipping point in terms of the economics of solar photovoltaics More
This Advanced Torrefaction Systems pilot plant in Port Allegany is designed to manufacture high value biomass fuel
Wood Energy Team Looks at Big Picture - News News
Torrefaction and biochar potential pathways to wood energy development. More
Figure 1. Space requirements for resting and rising dairy cow
Designing and Building Dairy Cattle Freestalls - Articles Articles

Designing and Building Dairy Cattle Freestalls

Dan McFarland, Robert Graves, Ph.D., P.E.

Freestalls (cubicles) provide dairy cows a clean, dry, comfortable resting space. Well-designed and properly maintained freestalls are a key component in a freestall housing system. More
Natural Ventilation for Freestall Barns
Natural Ventilation for Freestall Barns - Articles Articles

Natural Ventilation for Freestall Barns

Robert Graves, Ph.D., P.E.

Cows continuously produce heat and moisture so a ventilation system is necessary to continuously exchange inside air for drier, cooler outside air. More
Natural Ventilation for Dairy Tie Stall Barns
Natural Ventilation for Dairy Tie Stall Barns - Articles Articles

Natural Ventilation for Dairy Tie Stall Barns

Robert Graves, Ph.D., P.E.

Tie stall barns require a ventilation system that allows close control of air exchange and temperature to prevent the barn from reaching freezing temperatures. More
Alternative Energy Credits and the Renewable Energy Marketplace in Pennsylvania
Alternative Energy Credits and the Renewable Energy Marketplace in Pennsylvania - Articles Articles
The purpose and background of Pennsylvania’s Alternative Energy Portfolio Standards Act (Act 213), including the central provision: the Alternative Energy Credit More
Wind Energy in Pennsylvania
Wind Energy in Pennsylvania - Articles Articles

Wind Energy in Pennsylvania

Edward Johnstonbaugh

Contemporary wind energy involves the conversion of kinetic energy in the wind into electricity via wind turbines. More
Heat Detection and Timing of Insemination for Cattle
Heat Detection and Timing of Insemination for Cattle - Articles Articles
Topics covered in this publication include information about the bovine estrous cycle, heat detection, optimal timing of insemination, and tools for management. More
Photo credit: Amber Yutzy
Recommendations for Calf and Heifer Housing Dimensions for Holsteins - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Holsteins

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Holstein dairy cattle; a starting point for the design process. More
Recommendations for Calf and Heifer Housing Dimensions for Jerseys
Recommendations for Calf and Heifer Housing Dimensions for Jerseys - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Jerseys

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Jersey cattle; a starting point for the design process. More
Artificial Insemination Technique
Artificial Insemination Technique - Articles Articles

Artificial Insemination Technique

Michael L. O'Connor, Jana L. Peters

This article provides a review for those already familiar with AI technique, emphasizing reproductive anatomy, sanitation, and accuracy of semen deposition. More
Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used?
Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used? - Articles Articles

Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used?

Douglas Beegle, Ph.D., Robert Graves, Ph.D., P.E., Kristen Saacke Blunk

Nutrient budgets have been developed by Mid-Atlantic Regional Water Program to quantify the magnitude and sources of excess nutrients that are being generated and applied throughout Pennsylvania. More