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W latach 1992–1995 przeprowadzono badania na łącznie 187 plantacjach produkcyjnych buraka cukrowego zlokalizowanych w woj. podlaskim (cukrownia Łapy) i w latach 2000–2001 na 155 plantacjach w woj. łódzkim (cukrownie Dobrzelin i Leśmierz). Oceniono plon korzeni i zawartość cukru w zależności od 3 cech gleby — pH, zasobność w fosfor i potas oraz od czynników nawożenia N, P i K. Wyznaczono średnie arytmetyczne...
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.