Research Results

Manure Nutrient and Compost Management

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 Establishment of a field school for weed ecology and management One-page brief Full summary E2004-06
Developing ecologically sound and profitable alternative fertilizer and manure phosphorus management strategies   E2004-29
Improving farm nutrient management by optimizing organic matter inputs and root health   2002-41
Optimizing solid manure application by improving distribution   2001-24
Livestock and the environment in Sioux County   2000-36
Optimizing swine hoop manure management of soil quality and crop system performance   2000-42
Demonstration of swine carcass composting as part of an environmentally friendly production system   2000-33
Soil amendment effects of crop-weed interactions   2000-11
Dairy manure quantification and characterization in grazing systems   1999-16
Nitrogen conservation in swine manure composting land—application systems   1999-62
Socio-technical and environmental dimensions of swine manure management decisions   1999-69
Environmental impacts of the use of poultry manure for agricultural production systems   1999-68A
Environmental impacts of use of poultry manure on water quality   1999-68B
Statewide manure management education initiative   1998-51
Impacts of swine manure application and alternative N-management practices on productivity, sustainability and water quality   1997-60
Development of guidelines for application of swine manure to optimize nitrogen management for corn   1996-10
Animal manure-municipal yard waste composting project in Wright County, Iowa   1996-06
Mahaska County livestock manure/crop nutrient management demonstration project   1995-05
Managing livestock manure for profitability and water quality protection   1995-MM
Animal manure utilization in crop nutrient planning   1993-10
Manure management education and demonstration project   1992-19
Calibration of the late-spring soil nitrate test for manured soils   1992-28
Composing for environmentally sound management of poultry and swine mortalities in Iowa   1992-38
Control of soil-borne pathogens with strategic use of animal manures   1990-65
Operating procedures for use of the late-spring soil test by fertilizer dealers and consultants in Iowa   1989-28
Nitrogen management alternatives for ridge tillage corn   1988-17

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