PL
W pracy przedstawiono wyniki trzyletnich badań nad reakcją wybranych odmian grochu siewnego (Ramir i Rubin) na nawożenie azotem (0, 20, 40 kg N/ha) oraz nawożenie nawozami mikroelementowymi. Odmiana Rubin - o normalnym ulistnieniu dawała we wszystkich latach badań wyższe plony nasion, co uwarunkowane było większą liczbą owocujących roślin oraz masą tysiąca nasion. Udowodniona została zależność pomiędzy warunkami pogodowymi w poszczególnych latach a odmianami i dawkami azotu, jak również mikronawozami.
EN
In field experiments made on degraded chernozem soil at the Agricultural Experimental Station near Cracow the authors tested in the years 1992-1994 [he response of two peas cultivars-Ramir and Rubin to differentiated fertilization with nitrogen (O, 20, 40 kg N per ha) and with mull component microelement fertilizers (Agrosol-S, Insol-6 and Mikrovit-I). An estimation of the effect of the investigated factors was made on the base of the magnitude of seed yield and of the separate components of yield structure {the number of plants bearing seeds per unit of superficy, the number of seeds grown on plant, the mass of 1000 seeds) as well as the content and yield of crude protein. An interaction of the studied factors with years was found, which is indicative of great sensitivity of peas to the meteorological factors. In experimental conditions higher yield of seeds was obtained from Rubin cultivars as the resultat of a greater number of plants beering seeds per unit of superficy, as well as a greater mass of 1000 seeds. The microelements and nitrogen fertilization effected an increase of the content and yield of crude protein.