01086cam a22002771a 4500 agr56000137 DLC 20260227111018.0 780921s1956 dcua b f000 0 eng agr56000137 (OCoLC)4241385 DLC LMN DNAL DLC premarc S639 .I2 1 Ag84Ah no.93 J500 Ibach, D. B. (Donald Bryan), 1900- A graphic method of interpreting response to fertilizer / by D.B. Ibach. Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service, 1956. ii, 27 p. : ill. ; 26 cm. Agriculture handbook / United States Department of Agriculture ; no. 93 "Supersedes U.S. Bur. Agr. Econ., FM 105, Determining profitable use of fertilizers, 1953 / by D. B. Ibach and S. W. Mendum." Includes bibliographical references. Fertilizers Graphic methods. Agriculture handbook (United States. Department of Agriculture) ; no. 93. 11570 11570