Soil improvers and growing media - Determination of nitrogen - Part 2 : Dumas method.
土壤改良剂和生长介质.氮的测定.第2部分:Dumas法

2002-02-28

Soil improvers and growing media. Determination of nitrogen-Dumas method
土壤改良剂和培养基 氮的测定

2001-12-05

Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahi method.
土壤改良剂和培养基.氮的测定.第1部分:改良的凯氏法

2002-02-28

Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; English version of DIN EN 13654-1
土壤改良剂和培养基.氮的测定.第1部分:改良凯氏法；德文版EN 13654-1:2001

2002-01-01

BS EN 16087-2. Soil improvers and growing media. Determination of Aerobic biological activity. Part 2. Self heating test for compost
英国标准EN 16087-2 土壤改良剂和培养基 有氧生物活性的测定 第二部分 堆肥自加热试验

2010-04-21