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Praca stanowi wybrany fragment badań nad trendami i funkcjami produkcji głównych czynników plonowania i plonami zbóż, w okresie 30-lecia 1966-1995, w doświadczeniach oraz w państwowych i indywidualnych gospodarstwach produkcyjnych. Materiał źródłowy stanowiły wyniki doświadczeń odmianowych w stacjach doświadczalnych oceny odmian (SDOO) i badań ankietowych prowadzonych w IERIGŻ i własnych oraz dane...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.