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  • 1 Plant and Soil Protection Service of Csongrád Country Hódmezővásárhely Hungary
  • 2 Szeged University College of Agriculture Hódmezővásárhely Hungary
  • 3 University of Veszprém Georgikon Faculty of Agricultural Sciences Keszthely Hungary
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  • Bleasdale, J.K.A. (1960): Studies on plant competition. in: J. L. Harper (ed.). The biology of weeds. Blackweel Sci. Publ. Oxford. Pp 133–142.

    Bleasdale J.K.A. , '', in The biology of weeds , (1960 ) -.

  • Nieto H, J., Brondo, M. a: and J. T. Gonsales (1968): Critical periods of the crop growth cycle for competition from weeds. Pest Articles and News Summaries (C) 14. 159–166.

    Gonsales J. T. , 'Critical periods of the crop growth cycle for competition from weeds ' (1968 ) 14 Pest Articles and News Summaries (C) : 159 -166.

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  • Rademacher, B. (1966): The current status and achievements of agrochemical and agrobiological research. 13. Weed control in cereals viewed as a problem of soil fertility. Land. Forschung (Sondech 20.) 20–30.