Retrospective Teses and Dissertations Iowa State University Capstones, Teses and Dissertations 1-1-1980 Te efect of trickle irrigation as a method of nitrogen application on apple trees Kim David Paten Iowa State University Follow this and additional works at: htps://lib.dr.iastate.edu/rtd Part of the Agriculture Commons , and the Horticulture Commons Tis Tesis is brought to you for free and open access by the Iowa State University Capstones, Teses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Retrospective Teses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact digirep@iastate.edu. Recommended Citation Paten, Kim David, "Te efect of trickle irrigation as a method of nitrogen application on apple trees" (1980). Retrospective Teses and Dissertations. 17423. htps://lib.dr.iastate.edu/rtd/17423