有机-无机复混肥是一种既含有机质又含适量化肥的复混肥。它是对粪便、草炭等有机物料，通过微生物发酵进行无害化和有效化处理，并添加适量化肥、腐殖酸、氨基酸或有益微生物菌，经过造粒或直接掺混而制得的商品肥料。
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid respectively and then their total potassium content is determined.
并介绍腐植酸与肥料的作用机理，挤压法生产有机无机复混肥的流程、设备、工艺条件及产品的企业标准。
The interaction mechanism between humic acid and fertilizer is discussed, the flow sheet, equipment, process parameters of extrusion technology and enterprise standard of product are presented.
测定肥料和土壤中有机质的方法有多种，通过文献查阅发现，用重铬酸钾滴定法测定有机-无机复混肥中的有机质是可行的。
By means of consulting a great deal of literature, the authors found that dichromatic oxidation titration method fits for the determination of organic matter in semi-organic fertilizers.
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