Leopold Center for Sustainable Agriculture

Completed Grants

This is where you will find all of our grant reports. The Leopold Center has operated a competitive grants program since 1988, funding more than 420 Iowa-based projects in every county in Iowa.

The most recently completed projects are listed first. Click on the title to see the abstract, key findings and links to printable summaries of findings from each project. For more details about a project than what is included in the project summary documents, contact the lead investigator (email address is in the longer project summary).

  • To see grant reports from projects just in the Ecology Initiative, go here
  • To see grant reports from projects just in the Marketing and Food Systems Initiative, go here
  • To see grant reports from projects just in the Policy Initiative, go here
  • To see grant reports from the Cross-Cutting Initiative, go here
  • Grant reports from earlier projects not part of any initiative are on the list that starts below.

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View grants completed in year...

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1993
Project Title Project IDsort icon Completion Year
Corn tissue tests for excess phosphorus and potassium 1991-45 1993
Changes in soil structural characteristics following establishment of prairie grass 1990-46 1993
Pesticides and their major degradation products as potential contaminants of groundwater 1990-39 1993
Multispecies toxicity tests using indigenous stream organisms: predicting pesticide effects in streams 1990-37 1993
Storm Lake watershed demonstration project: planning phase 1990-36 1993
Crops of ancient Iowa: Native plant use and farming systems 1990-34 1993
Bird use of roadsides in an agricultural system 1990-29 1993
Implementing nitrogen management to protect Iowa's groundwater 1990-28 1993
Utilizing potential weed pressures to improve efficiency of weed management programs 1990-20 1993
Effectiveness of vegetative filter strips 1990-09 1993
A sustainable agriculture course delivered nationally via AG*SAT 1989-41 1993
Establishment of an experimental wetland research complex 1989-40 1993
A developmental approach to the adoption of low-input farming practices 1989-35 1993
"Full Circle Forestry" in southeast Iowa 1989-34 1993
Reducing pesticide use through environmental monitoring for pest protection 1989-30 1993
Operating procedures for use of the late-spring soil test by fertilizer dealers and consultants in Iowa 1989-28 1993
Sustainable weed control system using natural product allelochemicals to replace conventional herbicides in maize 1989-27 1993
Efficient herbicide application to reduce environmental losses 1989-22 1993
Weed population dynamics in ridge-tilled soybeans with and without herbicides 1989-19 1993
Optimizing microbial associations to enhance nitrogen and potassium soil nutrient availability 1989-18 1993
Incorporating environmental costs into economic injury levels 1989-17 1993
Seed coating with environmentally acceptable polymers as an alternative to fungicide treatment of corn and soybeans 1989-01 1993
Biological control of the strawberry leaf roller, Ancylis comptana, in Iowa 1988-13 1993
Utilizing an entomopathogenic fungus, Beauveria bassiana, for season-long suppression of larval populations of the European corn borer 1988-12 1993
Poplar tree buffer strips grown in riparian corridors for non-point source pollution control and biomass production 1988-11_1990-75 1993