00834cam a22002411 4500 agr12000018 DLC 20260227110933.0 930421s1912 dcua f000 0 eng c agr12000018 (OCoLC)27957993 U.S. Dept. of Agriculture Library NNM DLC SB19 .A33 no. 89 Collins, G. N. (Guy N.), 1872-1938. An improved method of artificial pollination in corn. By G.N. Collins and J.H. Kempton. Washington, Govt. Print. Off., 1912. 7 p. illus. 23 cm. United States. Dept. of Agriculture. Bureau of Plant Industry. Circular no. 89 Corn Breeding. Corn Pollination. Pollination. Kempton, J. H. (James Howard), 1891-1970. 8043 8043