The authors present the results of experiment carried out in chair of Crop Growing and Plant Breeding since 1975, and the plans for the next years. The experiments investigated principally the usefulness of some mixtures of grasses and papilionaceous plants, and the selection of the grass species for the cultivation in clear sowing system. They investigated the influence of nitrogen fertilization on the yielding and quality of hay, among other things on the greenlands in Bieszczady region. Among other things the experiments concerned the estimation of some kinds of fodder plants and grain crops in Krosno region. In experiments with maize, carried out since 1994, the influence of agricultural conditions on the quality of maize crops was investigated. The experiments were also carried out on new spring and winter triticale strains. The experiments with soya started in 1976 and included the term of sowing, seeding density, nitrogen fertilization, forecrops, herbicides, and soya usefulness to the cultivation in south-eastern Poland. The experiments resembling soya concerned horse-bean new strains and cultivars. The experiments referred to the in vitro propagation of white mulberry have been continued since 1991.
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