通过室内模拟堆制和同位素交叉标记，研究了以稻草和禽畜粪为主体材料的堆肥制作过程中的生物化学变化特征。
Simulated composting was carried out to study the changes of biochemistry and chemical characteristics of the organic manure compost using labelled organic material and inorganic nitrogen fertilizer.
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。
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.
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