Agronomy JournalVolume 34, Issue 8 p. 736-746 Article Duff Briquette Fertilizers: Their Preparation, Use, and Effect upon the Growth of Trees and Other Plants1 S. A. Wilde, S. A. WildeSearch for more papers by this authorR. Wittenkamp, R. Wittenkamp Associate Professor of Soils and District Forester, respectively. The writers are indebted to the Wisconsin Alumni Research Foundation for partial support of this work, and to Dr. H. L. Russell for his stimulating interest.Search for more papers by this author S. A. Wilde, S. A. WildeSearch for more papers by this authorR. Wittenkamp, R. Wittenkamp Associate Professor of Soils and District Forester, respectively. The writers are indebted to the Wisconsin Alumni Research Foundation for partial support of this work, and to Dr. H. L. Russell for his stimulating interest.Search for more papers by this author First published: 01 August 1942 https://doi.org/10.2134/agronj1942.00021962003400080008x 1 Contribution from the Department of Soils, University of Wisconsin, Madison, Wis., in cooperation with the Wisconsin Conservation Department and the Department of Public Welfare. Publication approved by the Director of the Wisconsin Agricultural Experiment Station. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Volume34, Issue8August 1942Pages 736-746 RelatedInformation