ORIGINAL RESEARCH
Assessment of New NKSMg Fertilizer Based
on Protein Hydrolysate of Keratin
in Pot Experiments
Małgorzata Popko, Radosław Wilk, Helena Górecka, Katarzyna Chojnacka, Henryk Górecki
Pol. J. Environ. Stud. 2015;24(4):1765-1772
ORIGINAL RESEARCH
Keratinolytic Proteases in Biodegradation
of Pretreated Feathers
Wojciech Łaba, Klaudia Beata Szczekała
Pol. J. Environ. Stud. 2013;22(4):1101-1109
ORIGINAL RESEARCH
Solubilization of Dairy Waste-Activated Sludge
by Ultrasonic Wave Irradiation
Nasser Mehrdadi1, Ali Zahedi2, Azadeh Aghajani Yasini2,
Alireza Mohamadi Aghdam2
Pol. J. Environ. Stud. 2012;21(5):1319-1325
MATTER FOR DISCUSSION
Nature and Properties of Metal Cations in Aqueous Solutions
W. Grzybkowski
Pol. J. Environ. Stud. 2006;15(4):655-663