TY - JA AU - Koehler,C.B. AU - Burnside,O.C. AU - Cramer,G.L. AU - Irons,S.M. AU - Schepers,J.S. TI - Close-up: roller herbicide applicator U1 - 81-681255 PY - 1980/// KW - Equipment KW - Herbicides KW - AGROVOC KW - Plant protection N1 - ill T2 - Farm Ranch and Home Quarterly Nebraska Agricultural Experiment Station ER -