INTERFERENCE PERIODS OF WEEDS IN MAIZE IN NO-TILLAGE AND CONVENTIONAL SYSTEMS AT HIGH ALTITUDES von Helvig, E. O., Pinheiro, K. K. G., Dranca, A. C., Silva, A. A. P., Mendes, M. C., Maciel, C. D. C.

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Use of Sunflower and Soybean as Bioindicators to Detect Atrazine Residues in Soils von NOVAIS, J., MENDES, K.F., INOUE, M.H., MACIEL, C.D.G., HELVIG, E.O., STANIESKI, C.M.

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Selectivity of Iodosulfuron-Methyl Association with ACCase Inhibitors and 2.4-D in Wheat and Barley Crops von KARPINSKI, R.A.K., SILVA, A.A.P., HELVIG, E.O., MACIEL, C.D.G., LUSTOSA, S.B.C., SPADER, V.

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Selectivity of Chlorimuron-Ethyl to Castorbean Crops von MACIEL, C.D.G., LUSTOSA, S.B.C., HELVIG, E.O., COSTA, A.G.F., RIBEIRO, R.B., MATIAS, J.P.

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Phytosociological Survey of Weeds in Carpet Grass in Distinct Periods of the Year von MACIEL, C.D.G., OLIVEIRA, C.N.M., SILVA, A.A.P., KARPINSKI, R.A.K., HELVIG, E.O., MATIAS, J.P.

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INTERFERENCE PERIODS AMONG WEEDS AND SOYBEAN RR TM CROPS IN THE WESTERN CENTER AREA OF THE BRAZILIAN STATE OF PARANÁ von SILVA, A.A.P., OLIVEIRA NETO, A.M., GUERRA, N., HELVIG, E.O., MACIEL, C.D.G.

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Selectivity of herbicides applied in pre-emergence in chia crop von Maciel, C.D.G., Vidal, L.H.I., Jadoski, S.O., Iuchemin, C.E.L., Helvig, E.O., Silva, A.A.P., Dranca, A.C., Inoue, M.H.

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Phytosociological Survey of Weeds in Carpet Grass in Distinct Periods of the Year von MACIEL, C.D.G., OLIVEIRA, C.N.M., SILVA, A.A.P., KARPINSKI, R.A.K., HELVIG, E.O., MATIAS, J.P.

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Interference Periods of Weeds in Maize in No-Tillage and Conventional Systems at High Altitudes von E.O. HELVIG, K.K.G. PINHEIRO, A.C. DRANCA, A.A.P. SILVA, M.C. MENDES, C.D.G. MACIEL

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Use of Sunflower and Soybean as Bioindicators to Detect Atrazine Residues in Soils von J. NOVAIS, K.F. MENDES, M.H. INOUE, C.D.G. MACIEL, E.O. HELVIG, C.M. STANIESKI

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Selectivity of Iodosulfuron-Methyl Association with ACCase Inhibitors and 2.4-D in Wheat and Barley Crops von R.A.K. KARPINSKI, A.A.P. SILVA, E.O. HELVIG, C.D.G. MACIEL, S.B.C. LUSTOSA, V. SPADER

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Selectivity of Chlorimuron-Ethyl to Castorbean Crops von C.D.G. MACIEL, S.B.C. LUSTOSA, E.O. HELVIG, A.G.F. COSTA, R.B. RIBEIRO, J.P. MATIAS

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