Pennsylvania State NECCC Contact

Sjoerd Duiker
Professor of Soil Management and Applied Soil Physics
Penn State
408 Agricultural Sciences and Industries Building
University Park, PA 16802
Email: swd10@psu.edu
Phone: (814) 863-7637

Penn State Extension maintains an extensive cover crop website.

PDFs
Hairy Vetch as a Cover Crop, Penn State Extension
Topics: cover crop benefits, planting dates and methods, seeding rates, termination dates and methods
Cover crops: hairy vetch, mixes

Cover Crops for Conservation Tillage Systems, Penn State Extension
Topics: cover crop benefits and disadvantages, cover crop characteristics, planting dates and methods, seeding rates, termination methods
Cover crops: rye, oats, annual/perennial ryegrass, fescue, bluegrass, orchardgrass, bromegrass, timothy, crimson clover, red clover, white clover, hairy vetch, crown vetch, bird’s foot trefoil, field peas, radish, turnip, kale, rapeseed, buckwheat, mixes

Cover Crop Interseeder – Potential for Injury from Corn Herbicides, Penn State Extension
Topics: potential impact of residual corn herbicides on interseeded cover crops
Cover crops: annual ryegrass, red clover, mix

Suppressing Weeds Using Cover Crops in Pennsylvania, Penn State Extension
Topics: cover crop benefits and disadvantages, cover crop characteristics, planting dates and methods, seeding rates, termination methods
Cover crops: rye, wheat, oats, red clover, hairy vetch, forage radish

Making the Most of Mixtures, Penn State Extension
Topics: cover crop benefits and disadvantages, choosing cover crop mixtures, planting methods and timing, seeding rates, termination timing and methods
Cover crops: mixes

Management of Red Clover as a Cover Crop, Penn State Extension
Topics: cover crop characteristics, planting timing and methods, seeding rates, termination timing and methods
Cover crops: red clover

White Clover, Penn State Extension
Topics: cover crop characteristics, planting timing and methods, seeding rates, termination timing and methods
Cover crops: white clover, mixes

Ryegrass, Penn State Extension
Topics: forage species, cover crop characteristics, planting timing and methods, seeding rates, termination timing and methods
Cover crops: annual ryegrass, perennial ryegrass, Italian ryegrass, alfalfa, mixes

Winter Canola in Pennsylvania – Production and Agronomic Recommendations, Penn State Extension
Topics: crop characteristics, planting timing and methods, seeding rates, harvest methods, sensitivity to residual herbicides
Cover crops: winter canola

Spring Canola in Pennsylvania – Production and Agronomic Recommendations, Penn State Extension
Topics: crop characteristics, planting timing and methods, seeding rates, harvest methods, sensitivity to residual herbicides
Cover crops: spring canola

Links to external websites
No Till and Cover Crops in Pennsylvania, NRCS
Topics: cover crop benefits, usage statistics

Plant Cover Crops, NRCS
Topics: cover crop benefits
Cover crops: rye, radish

What Cover Crop Should I Plant?, Penn State Extension
Topics: cover crop selection based on cropping rotation goals, suggested mixes
Cover crops: mixes

Using Flowering Cover Crops for Native Pollinating Bee Conservation, Penn State Extension
Topics: cover crops to support pollinator species
Cover crops: red clover, crimson clover, hairy vetch, field peas, mustards, canola, buckwheat

Summer Cover Crops, Penn State Extension
Topics: cover crops for summer planting, planting timing and methods, seeding rate
Cover crops: sunn hemp, pearl millet, sudangrass, buckwheat

Farm-Tuning Soil Fertility with Cover Crop Mixtures, Penn State Extension
Topics: cover crop species selection for use in mixes, seeding rates
Cover crops: mixes

Time to Plant Fall Cover Crops, Penn State Extension
Topics: cover crop benefits, planting timing and methods, seeding rates
Cover crops: rye, red clover, crimson clover, radish, mixes

Cover Crops in Home Gardens Improve Soil and Reduce Erosion, Penn State Extension
Topics: cover crops for home gardens
Cover crops: rye, wheat, oats, buckwheat

Cover Crop Interseeder – Impacts on Corn Yield , Penn State Extension
Topics: interseeding cover crops
Cover crops: annual ryegrass, mixes

Innovative Ways to Plant Fall Cover Crops , Penn State Extension
Topics: planting methods
Cover crops: rye, clover

Cover Crop Winter Survival, Penn State Extension
Topics: cover crop winter survival
Cover crops: rye, triticale, wheat, annual ryegrass, crimson clover, hairy vetch

This Isn’t Your Father’s Cereal Rye, Penn State Extension
Topics: planting timing and methods, seeding rates
Cover crops: rye

Herbicides Persistence and Rotation to Cover Crops, Penn State Extension
Topics: considerations regarding residual corn and soybean herbicides

Herbicide Considerations for Cover and Forage Crops, Penn State Extension
Topics: corn and soybean herbicide carryover concerns

Special Cover Crop Control Considerations, Penn State Extension
Topics: cover crop termination methods
Cover crops: wheat, annual ryegrass, red clover, white clover, hairy vetch, crimson clover, canola

Planting Green – A New Cover Crop Management Technique , Penn State Extension
Topics: no-till planting cash crops into cover crops
Cover crops: rye

Cover Crop Rollers for Northeastern Grain Production, Penn State Extension
Topics: cover crop termination methods
Cover crops: rye, hairy vetch