Удобрения. Экстрагирование фосфора, растворимого в минеральных кислотах
肥料 提取可溶于无机酸的磷
2012-10-01
GB/T 38073-2019
腐植酸原料及肥料 术语
Humic acid raw materials and fertilizers-Terms
2019-10-18
GB/T 38072-2019
黄腐酸原料及肥料 术语
Fulvic acid raw materials and fertilizers-Terms
2019-10-18
ISO 7497-1984
Fertilizers — Extraction of phosphates soluble in mineral acids
肥料和灰分;无机酸中可溶性磷酸盐的提取
1984-10-01
BS ISO 19822-2018
Fertilizers and soil conditioners. Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
肥料和土壤调理剂 肥料材料中腐殖酸和疏水黄腐酸浓度的测定