Szukana fraza: [Abstract = "The post\-mining area in the Łęknica vicinity is covered with Miocene sediments, mainly loamy sands containing pyrite. As part of the reclamation process, described area have been afforested, mainly with Scotch pine. The recultivation results were in many places highly unsatisfactory, because of nutrients deficiency on the trees appearance. A field experiment applying combinations of N, P and K with each element applied at different rates was carried out."]

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