An Assessment of on-farm applications of the late-spring soil nitrate test in Iowa
By: prepared by G.W. Frable ... [et al.].
Contributors: Frable, G. W.; Integrated Farm Management Demonstration Project.; Model Farms Demonstration Project.; Big Spring Basin Demonstration Project.
Series: Technical information series ;; 28; Technical information series (Iowa. Dept. of Natural Resources. Geological Survey Bureau) ;; no. 28.
Publisher: Iowa Dept. of Natural Resources
Published: 1994
Place of publication: [Iowa City, Iowa]
Language: eng
Number of pages: 18
Subjects: Soils -- Nitrogen content.; Soils -- Analysis.
Notes: Includes bibliographical references (p. 17-18).
"January 1994"
"A joint report from the Integrated Farm Management Demonstration Project, the Model Farms Demonstration Project, and the Big Spring Basin Demonstration Project"
"Supported in part by: the Iowa Groundwater Protection Act of 1987 ... [et al.]."