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China MoARA to Enhance Regulation on Imported Biostimulants Derived from Marine Wastes

On April 14th and 15th 2021, the Chinese Ministry of Agricultural and Rural Affairs concluded the 5th session of the 9th Review Committee of Fertilizer Registration. The participants voted to approve 113 fertilizers and agreed to standardize the market entry procedures of secondary-element WSFs (Water-soluble fertilizers containing calcium and magnesium) and strengthen the review process of imported organic WSFs(also known as biostimulants) derived from marine food wastes.

A total of 214 chemical fertilizers and twenty-two microbial fertilizers were deliberated during the session, including 162 organic WSFs, 21 secondary-element WSFs, 20 soil conditioners, 3 slow-release fertilizers, 1 synergized nitrogen fertilizer, 1 humic acid WSF, 14 soil bioremediation agents, 7 concentrated microbial inoculants and 1 Chlorella microbial inoculant, and finally, 113 of them were approved.

In late 2020, China MoARA simplified the pre-marketing process of 7 types of several fertilizers: macro-element WSFs, secondary-element WSFs, microelement WSF, magnesium-potassium chloride, magnesium-potassium sulfate, compound fertilizer, and bulk blending fertilizers can be placed on the market only after the record-filing process. After the session, the Committee further clarifies that any microelement WSF that falls into the technical specification in the agricultural standard NY 2266-2012 should all apply for the record-filing process instead of registration.

The Committee also believed that imported organic WSFs(biostimulants) derived from wastes of fishes, shrimps, crabs, seaweeds, and other marine food would pose potential risks of animal and plant epidemics, as well as invasive species. As a result, applicants of these fertilizers should submit additional safety data, including but not limited to the customs clearance and the certificate of plant inspection and quarantine, etc.

In addition to the identification, efficacy evaluation, and bioassay of microbial culture, as well as extracellular polysaccharide testing, applicants of liquid soil bioremediation agents should further clarify the origin, identification, and functional properties of excipients, as this additional information is essential for the quality and efficacy evaluation.

The national mandatory standard, “GB 38400-2019 Limitation requirements of toxic and harmful substance in fertilizers” had been implemented on July 1st, 2020, specific regular 7 chemical substances and 2 microbial contaminants for all commercial fertilizers and optional limits for fertilizers using solid wastes. Considering some existing raw materials and production processes had been carefully reviewed and were unlikely to bring toxic and harmful substances into final products, the Committee allowed applicants to waive some of the tests after signing a letter of commitment regarding these limits.

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