The biogas production from herbs and waste from herbal industry

„Journal of Research and Applications in Agricultural Engineering” 2013, Vol. 58(1) 114 Andrzej LEWICKI, Krzysztof PILARSKI, Damian JANCZAK, Wojciech CZEKAŁA, Pablo Cesar RODRIGUEZ CARMONA, Marta CIEŚLIK, Kamil WITASZEK Institute of Biosystems Engineering, Poznan University of Life Sciences, Poland ul. Wojska Polskiego 50, 60-637 Poznan e-mail: pilarski@up.poznan.pl Zbyszek ZBYTEK Industrial Institute of Agricultural Engineering, Poznan, Poland ul. Starolecka 31, 60-963 Poznan e-mail: office@pimr.poznan.pl