00807cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035002000092040004800112050002200160100004200182245009300224260004300317300002500360490008400385650002000469650002300489650001700512700004800529agr12000018 DLC20260227110933.0930421s1912 dcua f000 0 eng c aagr12000018  a(OCoLC)27957993 aU.S. Dept. of Agriculture LibrarycNNMdDLC00aSB19b.A33 no. 891 aCollins, G. N.q(Guy N.),d1872-1938.03aAn improved method of artificial pollination in corn.cBy G.N. Collins and J.H. Kempton. aWashington,bGovt. Print. Off.,c1912. a7 p.billus.c23 cm.0 aUnited States. Dept. of Agriculture. Bureau of Plant Industry. Circularvno. 89 0aCornxBreeding. 0aCornxPollination. 0aPollination.1 aKempton, J. H.q(James Howard),d1891-1970.