GB/T 21633-2020
Bulk blending fertilizer (English Version)
- Standard No.
- GB/T 21633-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 21633-2020
- Replace
- GB/T 21633-2008
- Scope
- This standard specifies the terms and definitions, technical requirements, sampling, test methods, inspection rules, labeling and quality certificates, packaging, transportation and storage of blended fertilizers (BB fertilizers). This standard applies to blended fertilizers (BB fertilizers) made by dry mixing methods that contain at least two of the three nutrients nitrogen, phosphorus and potassium with indicated amounts. It is suitable for slow-release and controlled-release blends. Fertilizer; This standard also applies to dry mixed fertilizers with nitrogen and/or phosphorus and/or potassium fertilizer granules. This standard does not apply to products based on compound fertilizers that are only dry mixed with organic particles and/or biological agent particles and/or trace element particles.
GB/T 21633-2020 Referenced Document
- GB 18382 Fertilizer marking—Presentation and declaration*， 2021-04-30 Update
- GB 38400 Limitation requirements of toxic and harmful substance in fertilizers
- GB/T 14540 Determination of copper,iron,manganese,zinc,boron and molybdenum content for compound fertilizers
- GB/T 15063-2020 Compound fertilizer
- GB/T 18877-2020 Organic inorganic compound fertilizer
- GB/T 19203-2003 Determination of calcium,magnesium and sulphur content for compound fertilizer
- GB/T 22923 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
- GB/T 24890 Determination of chloride content for compound fertilizers
- GB/T 24891 Determination of particle size for compound fertilizers
- GB/T 34764 Determination of copper,iron,zinc,manganese,boron and molybdenum content in fertilizers—Inductively coupled plasma optical emission spectroscopy
- GB/T 6679-2003 General rules for sampling solid chemical products
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 8569 Packing of solid chemical fertilizers
- GB/T 8572 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
- GB/T 8573 Determination of available phosphorus content for compound fertilizers
- GB/T 8574 Determination of potassium content for compound fertilizers.Potassium tetraphenylborate gravimetric method
- GB/T 8576 Determination of free water for compound fertilizers.Vacuum oven method
- GB/T 8577 Determination of free water for compound fertilizers.Karl Fischer method
- NY/T 1117-2010 Water-soluble fertilizers-Determination of calcium, magnesium, sulphur and chlorine content
- NY/T 2540-2014 Fertilizers.Determination of potassium content
- NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
GB/T 21633-2020 history
- 2020 GB/T 21633-2020 Bulk blending fertilizer
- 2008 GB/T 21633-2008 Bulk blending fertilizer
