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Title 012 | Chapter 004 | Regulation 130


12 KAR 4:130.Investigational allowances.

Section 1.

A fertilizer shall be deemed deficient if the analysis of an official sample for any primary nutrient is below the guarantee by an amount exceeding the values in the table established in this section.

Guaranteed

percent

Total

Nitrogen (N)

percent*

Available

Phosphate

(P2O5) percent*

Soluble

Potash (K2O)

percent*

05 or less

0.37

0.65

0.39

06

0.47

0.71

0.47

07

0.59

0.77

0.56

08

0.72

0.82

0.63

09

0.81

0.86

0.70

10

0.89

0.89

0.76

12

1.03

0.95

0.87

14

1.18

1.02

0.96

16

1.29

1.12

1.05

18

1.43

1.19

1.12

20

1.57

1.32

1.18

22

1.62

1.39

1.22

24

1.65

1.46

1.26

26

1.66

1.53

1.29

28

1.58

1.59

1.33

30

1.28

1.67

1.36

32 or more

1.28

1.67

1.36

For guarantees not listed, calculate the appropriate value by interpolation.

*For these investigational allowances to be applicable, the procedures recommended by AOAC International for obtaining samples, preparation and analysis shall be used. These are described in the 15th Edition (1990) of the Official Methods of Analysis of the AOAC International. In evaluating replicate data, Table 19, page 935, Journal of the Association of Official Analytical Chemists, Volume 49, No. 5, October, 1966, shall be followed.

Section 2.

A fertilizer shall be deemed deficient in the overall index value if the overall index value is less than ninety-seven (97) percent.

(1)

The overall index value shall be calculated by comparing the value guaranteed with the value found. Unit values of the nutrients used shall be those referred to in KRS 250.401.

(2)

Overall index value. Example of calculation for a 10-10-10 grade found to contain ten and one-tenth (10.1) percent Total Nitrogen (N), ten and two-tenths (10.2) percent Available Phosphate (P2O5) and ten and one-tenth (10.1) percent Soluble Potash (K2O). Nutrient unit values shall be assumed to be three (3) dollars per unit N, two (2) dollars per unit (P2O5), and one (1) dollar per unit K2O.

10.0 units N

x3=

10.0

10.0 units P2O5

x2=

20.0

10.0 units K2O

x1=

10.0

Commercial Value Guaranteed =

60.0

10.0 units of N

x3=

30.3

10.2 units of P2O5

x2=

20.4

10.1 units K2O

x1=

10.1

Commercial Value Found =

60.8

Overall Index Value = 100(60.8/60.00) = 101.3%

Section 3.

Secondary and minor elements shall be deemed deficient if the analysis of an official sample for any of these elements is below the guarantee by an amount exceeding the values in the table established in this section.

Element

Investigational Allowance

Calcium

)

0.2 unit + 5% of guarantee

Magnesium

)

0.2 unit + 5% of guarantee

Sulfur

)

0.2 unit + 5% of guarantee

Boron

)

0.003 unit + 15% of guarantee

Molybdenum

)

0.0001 unit + 30% of guarantee

Chlorine

)

0.005 unit + 10% of guarantee

Copper

)

0.005 unit + 10% of guarantee

Iron

)

0.005 unit + 10% of guarantee

Manganese

)

0.005 unit + 10% of guarantee

Sodium

)

0.005 unit + 10% of guarantee

Zinc

)

0.005 unit + 10% of guarantee

The maximum allowance calculated in accordance with this table shall be one (1) unit (1 percent).

Section 4.

Incorporation by Reference.

(1)

The following material is incorporated by reference:

(a)

"15th Edition (1990) of the Official Methods of Analysis of the AOAC International", 1990; and

(b)

"Table 19, page 935, Journal of the Association of Official Analytical Chemists, Volume 49, No. 5", October, 1966

(2)

This material may be inspected, copied, or obtained, subject to applicable copyright law, at the Division of Regulatory Services, University of Kentucky, 103 Regulatory Services Building, Lexington, Kentucky 40546-0275, Monday through Friday, 8 a.m. to 4:30 p.m.

HISTORY: (11 Ky.R. 512; eff. 11-13-1984; Am. 21 Ky.R. 457; 1027; eff. 9-28-1994; 114, 935; eff. 11-18-2020.)

7-Year Expiration: 11/18/2027

Last Action: 12/15/2021


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