China Updates Agriculture Standard for Organic Fertilizers
May. 17th, 2021
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On May 7, 12021, China MoARA issued Announcement 424 to promulgate 153 agricultural standards. Among the 9 fertilizer-related standards, the general standard for organic fertilizers was revised, transformed from mandatory standard (NY) to recommended one(NYT) and will take effect from June 1, 2021.
| Code | Name | Replacement | |
| 1 | NY/T 525-2021 | Organic Fertilizers
有机肥料 |
NY 525-2012 |
| 2 | NY/T 3829-2021 | Water-soluble Fertilizers Containing Silicon
含硅水溶肥料 |
|
| 3 | NY/T 3830-2021 | Non-soluble fertilizers Containing Calcium and Magnesium
非水溶中量元素肥料 |
|
| 4 | NY/T 3831-2021 | Non-soluble Organic Fertilizers: General Requirements
有机水溶肥料 通用要求 |
|
| 5 | NY/T 1868-2021 | Rule for Rational Fertilization-Organic Fertilizers
肥料合理使用准则 有机肥料 |
NY 1868-2010 |
| 6 | NY/T 3832-2021 | Technical Guide for the Control of Fertilization Rate in Greenhouse Vegetables
设施蔬菜施肥量控制技术指南 |
|
| 7 | NY/T 3833-2021 | Technical Specification for Culture Preservation of Microbial Fertilizers
微生物肥料菌种保藏技术规范 |
|
| 8 | NYT/1973-2021 | Water-soluble Fertilizers-Determination of Water Insoluble Matter Content and pH
水溶肥料 水不溶物含量和pH的测定 |
NY/T 1973-2010 |
| 9 | NY/T 3834-2021 | Determination of 16 Rare Earth Elements in Fertilizers-Inductively Coupled Plasma Mass Spectrometry
肥料中16中稀土元素的测定 电感耦合等离子体质谱法 |
Compare to the previous version, NY/T 525 added more safety indicators, defined the scope of raw materials, as well as refined labeling and packing requirements：
- Newly added a categorized list of raw materials eligible for production;
- Newly added criteria and testing methods of maturity, germination index and mechanical impurity;
- The new upper limit of heavy metal copper;
- Modified limit of plumbum and water contents;
- Modified calculation method of organic content and testing method of total nitrogen, phosphorus, and potassium.
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