Southeast Research and Demonstration Farm
Crawfordsville, Washington County
Southeast Iowa Agricultural Research Association
The association purchased the farm in 1987.
Land is flat to slightly sloping. Predominant soils are:
Crops. Researchers study corn, soybeans and small grains (wheat and oats). Other studies focus on tillage methods, pest management, fertilizer placement, herbicide carryover and water quality.
Soils. Researchers study soil fertility and soil management systems. Agronomists study nutrient requirements of area crops and apply nitrogen, phosphorus, potassium and lime to observe crop yield response to the nutrients. In addition, researchers evaluate the effectiveness of tile drainage systems.
Other studies. The Iowa Nut Growers Association has established a demonstration site on the farm and the U.S. Soil Conservation Service is evaluating native grasses at the site.