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Fertilizer Products Testing

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Fertilizer refers to a kind of material that provides one or more essential nutrient elements for plants, improves soil properties and improves soil fertility, and is one of the material bases of agricultural production.It has the effect of enhancing soil fertility and increasing crop yield. It shall be developed and produced by fertilizer production enterprises and meet the requirements of national, industrial or enterprise standards.

CTT environment division is qualified to provide objective, fair and efficient testing services to customers.

Fertilizer  Types

Testing Items

Compound fertilizer material

Iron,  copper, molybdenum, zinc, manganese, sulfur, magnesium, calcium, potassium,  nitrogen, boron, biuret, chloride ion content, chloride ion mass fraction,  particle size, free water content, water content

Organic fertilizer

Total  chromium, total cadmium, total arsenic, total lead, total mercury, mass  fraction of organic matter, crude ash, total organic matter, zinc

Organic-inorganic compound fertilizer

Total  nitrogen, phosphorus, potassium, organic matter, pH, pH, mass fraction of  organic matter

Microbial fertilizer

Active bacteria count, water content, cellulase activity,  fineness, protease activity, organic matter

Foliar fertilizer

Content  of copper, iron, molybdenum, manganese, zinc and amino acid

Slow-release fertilizer

Mass fraction of insoluble nitrogen in hot  water, activity coefficient, mass fraction of insoluble nitrogen in cold  water and urea nitrogen


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