G/TBT/N/JPN/157
AMENDMENT OF THE OFFICIAL STANDARDS FOR ORDINARY FERTILIZERS (Draft)
1. The minimum or maximum content of main nutrients, the maximum permissible content of toxic substances and other limited particulars in
following two types of Ordinary Fertilizers are considered to be amended in the Official Standards pursuant to the provision of the Article 3.1 of
the Fertilizer Control Law.
(Amend the Standard for the following substances)
Potash Fertilizer with six-year-term of validity of registration
Type of fertilizer
Minimum content of main nutrients (%)
Other limited particulars
10.0% K2O
Potassium content remained
Potassium silicate fertilizer 1. Citric acid-soluble potassium
Acid-soluble silicic acid
25.0% SiO2
unreacted in the fertilizer must be
(a calcined mixture of
Citric acid-soluble magnesium
3.0% MgO
3.0% K2O and less.
materials containing basis
potassium, magnesium,
sodium or calcium, or boron 2. For a fertilizer with guaranteed water-soluble potassium or citric acid-solubl
fertilizer and fly ashes)
e boron in addition to citric acid-soluble potassium, acid-soluble silicic acid, an
d citric acid-soluble magnesium :
-In addition to the nutrient mentioned in 1,
For water-soluble potassium
For citric acid-soluble boron
1.0% K2O
0.05% B2O3
-1-
G/TBT/N/JPN/157
Potash Fertilizer with three-year-term of validity of registration
Type of fertilizer
Minimum content of main nutrients (%)
Fused potassium silicate
fertilizer (a fused mixture
of materials containing
potassium and steel
manufacturing slag)
1. Citric acid-soluble potassium
20.0% K2O
Alkalinity
15.0% CaO+MgO
Acid-soluble silicic acid
25.0% SiO2
2. For a fertilizer with guaranteed citric acid-soluble ma
nganes in addition to citric acid-soluble potassium, al
kalinity, or acid-soluble silicic acid :
-In addition to the nutrient mentioned in 1,
For citric acid-soluble manganes 1.0% MnO
Maximum permissible content
of toxic substances (%)
Other limited particulars
Per 1.0% K2O of citric acid-sol 100% of the fertilizer must
uble potassium
pass through a wire sieve
Nickel
0.01% Ni
with 4 millimeter openings.
Chromium
0.1% Cr
notes: part to be revised is underlined.
2. Kinds and maximum or minimum content of agricultural chemicals and other substances permissible to be incorporated in a following type of
Ordinary Fertilizer are considered to be established in the Official Standards pursuant to the provision of the Article 25 of the Fertilizer Control
Law.
Fertilizer that contains agricultural chemicals and other substances
Type of fertilizer
Kinds of agricultural chemicals and other
substances permissible to be incorporated
Compound fertilizer
Maximum or minimum content of agricultural chemicals
and other substances permissible to be incorporated (%)
2.2% or less
N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine
【pendimethalin】
Home garden-use mixed (E)-(N)-[(6-chloro-3-pyridyl)methyl]-N'-cyano-N-methyl 0.07% or less
fertilizer
acetamidine
【acetamiprid】
0.002% or less
and
N-[2-(2,6-dimethylphenyl)amino]-2-oxoethyl]-N,N-diethyl
benzemethanaminium benzoate 【denatonium benzoate】
-2-