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 |