Articles

DIVERSITY OF NITROGEN MANAGEMENT IN POLISH AGRICULTURE

Jerzy Kopiński

3-16

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THE COMPARISON OF RESPONSE OF SPRING BARLEY CULTIVARS TO SOWING DATE

Kazimierz Noworolnik, Danuta Leszczyńska

17-22

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Invasive alien species in the spontaneous flora of hedges in the south-wesern part of the city of Siedlce

Zofia Rzymowska

23-29

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Economic assessment of the effectiveness of cultivation of edible, purple-flesh potato cv. Blue Congo

Tomasz Winnicki, Bożena Bogucka

30-36

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