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Sulphur-coated urea urea standard was issued and will be implemented
The National Development and Reform Commission announced in a recent announcement that it has approved 351 industrial standards such as the “Identification of Vehicle Fuel Consumptionâ€, among which 18 chemical industry standards have published standards for sulfur-coated urea, and the standard number is HG/T 3997-2008, and in July 2008 Formally implemented on the 1st (chemical industry standards will be published by Chemical Press). This is another "increased efficiency" and "sustained release" fertilizer standard issued since the issuance of industry standards for "tempered (controlled) release fertilizers". It is reported that the standard development plan for inhibited (stable) slow-release fertilizers participated by the Shenyang Institute of Ecology of the Chinese Academy of Sciences has also started.