摘要
通过对比试验,研究设置通风槽对烤烟专用有机肥发酵过程中理化性质的影响。结果表明:在有通风槽条件下,发酵前期温度明显较高,堆内氧气浓度保持较高水平,高于50℃和55℃天数分别是无通风槽情况下的6倍和4倍;有通风槽处理在发酵前30 d,总N明显升高,总C、C/N、有机质含量快速降低,之后趋于稳定;无通风槽处理总C、总N及C/N在发酵过程中逐渐下降。发酵结束后,有通风槽处理总养分含量及p H符合有机肥标准(NY525—2012)。
Effects of ventilation modes on physical and chemical properties during organic fertilizer fermentation process were studied through contrast test. The results showed that under a ventilation slot the temperature at early stage of fermentation was higher. The oxygen concentration in reactor maintained a high level. The days of more than 50 ℃ or 55 ℃ was 6 times and 4 times more than that without ventilation slot. The total N increased significantly and total C, C / N, organic matter content decreased rapidly on the early 30 day in the fermentation under a ventilation slot condition,then tended to be stable.The total C, total N and C / N decreased gradually in the process of fermentation without ventilation slot. Total nutrient content and p H was fitted with organic fertilizer standard（NY525—2002） under ventilation slot condition at the end of fermentation.
出处
《湖北农业科学》
北大核心
2014年第22期5404-5407,共4页
Hubei Agricultural Sciences
基金
贵州省烟草公司遵义市公司科技项目(2011-10)
关键词
通风槽
发酵过程
理化性质
ventilation slots
fermentation process
physical and chemical properties
