GB/T 29401-2020 Sulfur coated urea (SCU)
GB/T 29401-2020 Sulfur coated urea (SCU)
Basic Information
Scope
This standard specifies the terms and definitions, technical requirements, sampling, test methods, inspection rules, marking and quality certificates, packaging, transportation, and storage for sulfur-coated urea, sulfur-coated slow-release nitrogen fertilizers, sulfur-coated slow-release compound fertilizers, and slow-release blended fertilizers containing some sulfur-coated urea.
This standard applies to various types of sulfur-coated urea slow-release fertilizers that use sulfur as the main coating material to achieve slow nitrogen release, including but not limited to sulfur-coated urea, sulfur-coated urea, sulfur-coated urea, sulfur-coated urea, and sulfur-coated urea. It also applies to sulfur-coated slow-release nitrogen fertilizers, sulfur-coated slow-release compound fertilizers, and slow-release blended fertilizers containing some sulfur-coated urea.