Bacterial Fertilizer Testing
Product types: Rhizobium fertilizer, nitrogen fixing bacteria fertilizer, phosphate bacteria fertilizer, silicate bacteria fertilizer, photosynthetic bacteria fertilizer, spore bacteria fertilizer, composite microbial fertilizer (including bacteria), bio organic fertilizer (bacterial type), liquid/powder/granular bacterial fertilizer.
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Product Introduction
Detection range
(1) Product types: Rhizobium fertilizer, nitrogen fixing bacteria fertilizer, phosphate bacteria fertilizer, silicate bacteria fertilizer, photosynthetic bacteria fertilizer, spore bacteria fertilizer, composite microbial fertilizer (including bacteria), bio organic fertilizer (bacterial type), liquid/powder/granular bacterial fertilizer.
(2) Applicable scenarios: Raw material strain acceptance, production process control, finished product factory inspection, market supervision spot check, fertilizer efficiency and safety evaluation, environmental compliance testing, arbitration testing.
Testing items
(1) Appearance and physical and chemical properties
Appearance, odor, particle size, moisture content, pH value, fineness, water-insoluble matter, organic matter content, adsorption, storage stability, low/high temperature stability, expiration date.
(2) Microbial core indicators
Effective live bacteria count, miscellaneous bacteria rate, mold count, yeast count, spore rate, strain purity, colony morphology, and bacterial morphology.
(3) Effective nutrient indicators
Total nitrogen, available phosphorus, available potassium, organic matter, amino acids, humic acid, water-soluble nutrients.
(4) Limit of harmful substances
Heavy metals: lead, cadmium, mercury, arsenic, chromium
Harmful substances: pathogens, parasite eggs, antibiotics, preservatives, prohibited additives, cyanides, fluorides.
(5) Health and safety indicators
Coliforms, Salmonella, Staphylococcus aureus, Pseudomonas aeruginosa, fecal coliforms, and mortality rate of roundworm eggs.
(6) Application performance
Survival rate of bacterial strains, nitrogen fixation ability, phosphorus and potassium solubilization ability, growth promoting effect, stress resistance, compatibility with fertilizers/pesticides, and fertilizer efficiency sustainability.
Testing standards
GB 20287 Agricultural Microbial Agents
GB/T 33803 Humic Acid Fertilizer
GB/T 19524.1 Microbial fertilizers Part 1: General rules
GB/T 19524.2 Microbial fertilizers Part 2: Rhizobium fertilizers
GB/T 19524.3 Microbial fertilizers Part 3: Nitrogen fixing bacteria fertilizers
GB/T 19524.4 Microbial fertilizers Part 4: Phosphorus bacterial fertilizers
GB/T 19524.5 Microbial fertilizers Part 5: Silicate bacterial fertilizers
GB/T 27854 General Guidelines for Safety Evaluation of Microbial Fertilizers
GB 38400 Limits for Toxic and Harmful Substances in Fertilizers
NY/T 883 Agricultural Microbial Agent Product Standard
NY/T 1113 Technical Regulations for Microbial Fertilizer Inspection
NY/T 1114 Microbial Fertilizer Strain Detection Method
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
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