Abstract:

In this study, association between temperature and humidity changing of different cross-section of microorganism fermentation bed and micro-climate condition of pigsty was analyzed to discover the mechanism of microorganism fermentation bed. The results showed that: (1) There was significant difference in temperature changing between different cross-sections of microorganism fermentation bed (P<0.01). Temperature of cross-section at 10 cm was increased 2.56℃ than surface (P<0.05), Temperature of cross-section at 20-40 cm was increased 7.10-9.42℃ than surface (P<0.01). (2) The packing moisture content of cross-section of fermentation bed in 10cm was higher 11.5% than 20cm (P<0.05) and 13.5% than 30 cm (P<0.05), respectively. There were no significant moisture content difference between cross-section at 20 cm and 30 cm (P>0.05). (3) There were no significant association between temperature and moisture content of different cross-section and micro-climate condition (P>0.05). The results showed, microorganism fermentation bed temperature does not vary with the change of environmental temperature and humidity, the surface and internal temperature can be maintained relatively stable.