Influence of Pine Bark Tannin on Bacterial Pathogens Growth and Nitrogen Compounds on Changes in Composted Poultry Litter oleh C Arzola-Alavarez, Y Castillo-Castillo, RC Anderson, ME Hume, O Ruiz-Barrera, BR Min, A Arzola-Rubio, RC Beier, J Salinas-Chavira