摘要
选用猪粪、拌木屑的鸡粪、蛋鸡粪和牛粪，模拟生产上的堆（沤）制条件，研究４种畜禽粪在堆（沤）制过程中理化性状、安全性、稳定性和卫生指标的变化。结果表明：经过６０ｄ的堆（沤）制，两种鸡粪和牛粪对作物的毒害性显著降低，致病生物体和杂草种籽的杀灭率达１００％，可安全还田；猪粪的卫生状况已达无害化标准，但可溶性碳和氨态氮含量仍很高，未达到安全的稳定程度，需延长堆制时间或限量还田。
In this study, pig faeces,poultry droppings mixed with wood chip, poultry droppings and cattle dung were selected for making compost under the same conditions in the compost production practised in Shanghai suburbs. Variations in physical and chemical properties during composting, safety, stability and sanitary indices of the resulting composts were investigated. Results showed that two kinds of poultry droppings and cattle dung after 60 days' composting could be applied to farming fields safely with obviously reduced damage to crops, for the harmful living beings and grass seeds all had been killed. Although the sanitary indices of pig faeces compost reached unharmful criteria after 60 days' composting, this compost was unsafe and unstable, for its contents of DOC and -N were high. It is suggested that the pig faeces must be composted more long or applied to farming fields limitedly.
出处
《上海农业学报》
CSCD
1995年第1期45-52,共8页
Acta Agriculturae Shanghai
基金
上海市环保局资助
关键词
畜禽粪
堆制
碳氮比
可溶性碳
氨态氮
Animal wastes
Composting
C/N
NH_4￣+ -N
DOC
Germination energy index
Killing of harmful living beings and grass seeds
