1·The effect of microorganism inoculants on pig manure composting was studied.
研究了添加微生物发酵菌剂对猪粪堆肥腐熟的影响。
2·Effects of inoculating microorganism agents and adding different attendant agents on changes of nitrogen contents during composting of pig manure were studied.
研究接种发酵菌剂和添加不同调理剂对猪粪发酵堆肥氮素变化的影响。
3·Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
采用堆肥池，以硫酸、磷酸、硫酸铝、硫酸钙、氯化钙、过磷酸钙作为化学改良剂，研究了化学改良剂对稻草猪粪堆肥氨气挥发累积规律和腐熟进程的影响。
4·With intervals of every 11 days, 4 times of semi-successional addition of green grasses and pig manure (9:1) to the fermentor as the fermenting materials for methane production were applied.
每隔11天以青草和猪粪(9：1)连续补料四次，每次补料后主要微生物生理群的消长趋势基本一致。