Regional Variation in Changes in Agricultural Production in Poland in the Context of Environmental Impact
Kopiński, Jerzy
Management of nutrients derived from natural fertilizers (manures) in the Polish agriculture – selected issues
Kopiński, Jerzy, Wach, Damian
Environmental safety aspects of using the digestate from an agricultural biogas plant
Witorożec-Piechnik, Agata, Kopiński, Jerzy, Markowska-Strzemska, Ewa, Woźniak, Marek