90.92 Standard to be revised Jun 7, 2023
CEN
CEN/TC 223 Soil improvers and growing media
European Norm
65.080 Fertilizers
This European Standard describes a method for the routine determination of the effect of soil improvers and growing media or constituents thereof on the growth of Chinese cabbage (and in certain cases spring barley).
NOTE 1 This test may not be suitable for all growing media since the formulated nutrient content will vary according to target use and the product is not tested in accordance with the specified use and pack recommendations.
NOTE 2 This test is not appropriate for the detection of nitrogen immobilization.
PUBLISHED
EN 16086-1:2011
90.92
Standard to be revised
Jun 7, 2023