T/HNX 002-2019 Water-retaining soil-stabilizing controlled-release mixed fertilizer
T/HNX 002-2019 Water-retaining soil-stabilizing controlled-release mixed fertilizer
Basic Information
Scope
Main technical content: 1. Requirements for the main package of controlled-release compound fertilizers - Total nutrient content (N + P2O5 + K2O) in mass fraction, a, % - Water-soluble phosphorus as a percentage of effective phosphorus, b, % - Control-release nutrient content, c, % - Cumulative nutrient release rate after 28 days of control-release, d, % - Moisture content, % - Particle size (2.00–4.00 mm), % - Chloride ion content, d, % - Single-nutrient content of medium-trace elements, e, % 2. Requirements for natural multi-element additives (auxiliary packages) in compound fertilizers - Calcium (Ca) + magnesium (Mg) content, % - Silicon (Si) content in mass fraction, mg/kg - Zinc (Zn) + copper (Cu) content, %