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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