
【国际标准】 Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
本网站 发布时间:
2024-05-11
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>

适用范围:
暂无
标准号:
ISO 18644:2016 EN
标准名称:
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
英文名称:
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements标准状态:
现行-
发布日期:
2016-04-07 -
实施日期:
出版语种:
EN
- 推荐标准
- ISO 15958:2019 EN 7d9c8fe7 Fertilizers — Extraction of water soluble phosphorus
- ISO 17318:2015 EN da3f2452 Fertilizers and soil conditioners — Determination of arsenic, cadmium, chromium, lead and mercury contents
- ISO 17319:2015 EN c27e4db5 Fertilizers and soil conditioners — Determination of water-soluble potassium content — Potassium tetraphenylborate gravimetric method
- ISO 17323:2015 EN a439591f Fertilizers and soil conditioners — Sulfur Coated Urea (SCU) — General requirements
- ISO 18642:2016 EN a3392f49 Fertilizer and soil conditioners — Fertilizer grade urea — General requirements
- ISO 18643:2016 EN 4967c35a Fertilizers and soil conditioners — Determination of biuret content of urea-based fertilizers — HPLC method
- ISO 18644:2016 EN b0fd4a05 Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
- ISO 18645:2016 EN 9810e1a7 Fertilizers and soil conditioners — Water soluble fertilizer — General requirements
- ISO 19746:2017 EN 1d9e3889 Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
- ISO 19822:2018 EN 52951bbb Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
- ISO 20620:2021 EN 15f254a4 Fertilizers and soil conditioners — Determination of total nitrogen by combustion
- ISO 21263:2017 EN b6397808 Slow-release fertilizers — Determination of the release of the nutrients — Method for coated fertilizers
- ISO 22018:2021 EN 9a0dda1c Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers
- ISO 22145:2021 EN f2436b91 Fertilizers and soil conditioners — Mineral soil amendments — Determination of total calcium and magnesium content
- ISO 23381:2020 EN cec54a15 Determination of salt out (crystallization) temperature of liquid fertilizers