Research Results

Weed Control Alternatives
(including cover, smother crops)

These projects have been supported by the Leopold Center. Click on a project name to read a printable summary of the key findings and other details. Full final reports are available from the Leopold Center by request.

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Project Name [PDF] Project ID
NEW Native cover crops and timing of planting: Effects on N uptake, weed invasion and prairie establishment One-page brief Full summary E2006-11
NEW Establishment of a field school for weed ecology and management One-page brief Full summary E2004-06
Investigation of the influence of tillage for management of woolly cupgrass   2001-56
Managing weeds by integrating smother plants, cover crops and alternative soil management   1999-03
Biologically intensive manipulation of foxtail seed banks for enhanced mortality   1999-37
Evaluation of the impact of tillage/cropping systems on soil microflora and week seedbank predation   1996-34
Spring-seeded smother plans for week control in corn and soybeans   1996-03
Enhancement of agricultural weed control by manipulation of the light environment   1996-80
Effective high-speed, high-residue rowcrop cultivation   1993-01
Effect of row spacing and seeding rates on soybean yields and weed management programs   1993-02
Southeast Iowa on-farm demonstration of sustainable tillage systems and weed profile developments on those systems   1992-11
Utilizing potential weed pressures to improve efficiency of weed management programs   1990-20
Weed population dynamics in ridge-tilled soybeans with and without herbicides   1989-19
Sustainable weed control system using natural product allelochemicals to replace conventional herbicides in maize   1989-27