Browsing by Author "Rataj, Daniel"
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Item The effect of different nitrogen fertilisation on the yiełd of some chosen grass species and varieties(Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy w Puławach, 2001) Stypiński, Piotr; Janicka, Maria; Rataj, Daniel