12 KAR 4:110. Terms

and definitions.

 

      RELATES TO: KRS

250.406

      STATUTORY AUTHORITY:

KRS 250.421

      NECESSITY, FUNCTION,

AND CONFORMITY: To utilize standard terms and definitions which reduces

regulatory problems for companies selling fertilizer in Kentucky and other

states.

 

      Section 1.

Definitions. (1) "Acid-forming fertilizer" means a fertilizer capable

of increasing the residual acidity of soil.

      (2) "Acidulated

bone" means a fertilizer made from ground bone or bone meal that has been

treated with sulfuric acid.

      (3) "Acidulated

fish tankage" means a fertilizer that is derived from rendered fish or

fish scrap treated with sulfuric acid.

      (4) "Activated

sewage" means a fertilizer made from sewage freed from grit and coarse

solids and aerated after being inoculated with microorganisms. The resulting

flocculated organic matter is withdrawn from the tanks, filtered with or

without the aid of coagulants, dried, ground and screened.

      (5) "Ammoniated

superphosphate" means a fertilizer obtained when superphosphate is treated

with ammonia or with solutions which contain ammonia and other compounds of

nitrogen. The guaranteed percentages of nitrogen and of available phosphate

shall be stated as part of the name.

      (6) "Ammonium

nitrate" means a fertilizer that is chiefly the ammonium salt of nitric

acid. It shall contain not less than thirty-three (33) percent nitrogen,

one-half (1/2) of which is in the ammonium form and one-half (1/2) in the

nitrate form.

      (7) "Ammonium

phosphate (fertilizer grade)" means a fertilizer obtained when phosphoric

acid is treated with ammonia (anhydrous or aqueous), and consists principally

of monoammonium phosphate and diammonium phosphate or a mixture of these two

(2) salts. The guaranteed percentage of nitrogen and of available phosphate

shall be stated as part of the name.

      (8) "Ammonium

phosphate-sulfate (fertilizer grade)" means a fertilizer obtained when a

mixture of phosphoric acid and sulfuric acid is treated with ammonia. It

consists principally of a mixture of ammonium phosphate and ammonium sulfate.

The guaranteed percentages of nitrogen and of available phosphate shall be

stated as a part of the name.

      (9) "Ammonium

sulfate nitrate" means a fertilizer that is a double salt of ammonium

sulfate and ammonium nitrate which are present in equal molecular proportions.

It shall contain not less than twenty-six (26) percent nitrogen, one-fourth

(1/4) of which is in the nitrate form and three-fourths (3/4) in the ammonium

form.

      (10) "Ammonium

thiosulfate (fertilizer grade)" means a commercial fertilizer composed

principally of (NH4)2S2O3. The

guaranteed percentages of nitrogen and sulfur shall be stated as part of the

name.

      (11) "Animal

manure" means a fertilizer derived from the excreta of animals together

with whatever bedding materials are needed to follow good dairy barn, feed lot,

poultry house, etc., practice in order to maintain proper sanitary conditions.

      (12) "Available

phosphate" means the sum of the water soluble and the citratesoluble

phosphate in a fertilizer.

      (13) "Basic lime

phosphate (lime-based superphosphate)" means a superphosphate to which

liming materials have been added at least six (6) percent in excess of the

quantity required to convert all water soluble phosphate to the citratesoluble

form.

      (14) "Basic

phosphate slag" means a fertilizer that is a by-product obtained in the

manufacture of steel from phosphatic iron ores. The product shall:

      (a) Contain no

admixture of materials other than those resulting from the original process of

manufacture;

      (b) Contain not less

than twelve (12) percent total phosphate of which at least eighty (80) percent

shall be available phosphate; and

      (c) Be ground so

that not less than ninety (90) percent passes through a U.S. Standard No. 50

sieve (300 um opening) and seventy (70) percent of the material passes through

a U.S. Standard No. 100 sieve (150 um opening). Any basic phosphate slag not

conforming to this definition shall be designated low phosphate.

      (15) "Bat

guano" means partially decomposed bat manure.

      (16) "Calcined

phosphate" means a fertilizer made from phosphate rock which has been

heated, with or without one (1) or more catalysts or reagents, sufficient to

volatilize and remove most or all organic, carbonate, fluoride and other

impurities, and/or thermally altered to more available calcium phosphate

compounds, depending on the process. Included are compounds known as fused

tricalcium phosphate, defluorinated phosphate, rhenania phosphate and various

trade names. A significant portion of the phosphate is citrate soluble and such

percentage shall be stated as part of the brand name.

      (17) "Calcium

metaphosphate" means a fertilizer that is a vitreous product substantially

free from crystalline phosphates, resulting from the treatment of phosphate

rock with gaseous phosphorus pentoxide at high temperatures. The guaranteed

percentage of available phosphate shall be stated as part of the name.

      (18) "Calcium

nitrate" means a fertilizer that is chiefly the calcium salt of nitric

acid. It shall contain not less than fifteen (15) percent nitrate nitrogen.

      (19)

"Chelate" means the type of compound or chemical union in which a

central metallic ion is joined to a chelating agent in the same molecule by two

(2) or more bonds. Such linkages result in the formation of one (1) or more heterocyclic

rings in which the metal is part of the ring.

      (20) "Chelated

plant nutrients" means metallic secondary nutrients and micronutrients

which have reacted with chelating agents and have the property of being

available under pH conditions in which the nutrients normally form insoluble

compounds.

      (21) "Chelating

agent" means a compound having two (2) or more sites of attachment to a

metallic ion to form a chelate. Examples are EDTA (ethylenediaminetetraacetic

acid), NTA (nitrilo-triacetic acid), polyphosphoric acid, proteins and

polyflavanoids.

      (22)

"Citrate-soluble phosphate" means that part of the total phosphate in

a fertilizer that is insoluble in water but soluble in a solution of citrate of

ammonia according to AOAC International Method 960.01.

      (23) "Coated

slow release fertilizer" means a fertilizer containing sources of water

soluble nutrients, release of which in the soil is controlled by a coating

applied to the fertilizer.

      (24)

"Compost" means a biologically stable material derived from the

composting process.

      (25)

"Composting" means the biological decomposition of organic matter

which may be accomplished by mixing and piling in such a way to promote aerobic

and/or anaerobic decay. The process inhibits pathogens, viable weed seeds, and

odors.

      (26)

"Continuous liquid feed" means the external application of water

soluble nutrients in the irrigation water every time the plant requires water.

      (27) "Crude,

inert, or slow-acting nitrogenous materials" means low value fertilizers

made from unprocessed organic substances relatively high in nitrogen but having

nitrogen activity indexes of less than fifty (50) percent by the alkaline (AOAC

International Method 920.07) and less than eighty (80) percent by the neutral

(AOAC International Method 920.06) permanganate methods.

      (28)

"Cyanamide" means a commercial product consisting principally of

calcium cyanamide (CaNCN) and carbon and it shall contain not less than

nineteen and five-tenths (19.5) percent nitrogen.

      (29) "DAP

(fertilizer grade)" means a fertilizer composed of ammonium phosphates,

principally diammonium phosphate, resulting from the ammoniation of phosphoric

acid. It may contain up to two (2) percent nonammoniacal nitrogen. The

guaranteed percentage of nitrogen and available phosphate shall be stated as

part of the name.

      (30) "Dicalcium

phosphate" means a manufactured fertilizer consisting chiefly of dicalcic

salt of phosphoric acid.

      (31)

"Dicyanodiamide (cyanoguanidine)" means a fertilizer that is a water

soluble organic compound of formula C2N4H4

which contains at least sixty-five (65) percent nitrogen. It is a source of

slowly available nitrogen.

      (32)

"Dimethylenetriurea (DMTU)" means a fertilizer that is a water

soluble condensation product resulting from the reaction of two (2) molecules

of formaldehyde with three (3) molecules of urea, with the elimination of two

(2) molecules of water. It has a minimum total nitrogen content of forty-one

(41) percent and is a source of slowly available nitrogen.

      (33) "Double

sulfate of potash and magnesia (langbeinite)" means a fertilizer

containing not less than twenty-one (21) percent soluble potash (K2O)

nor less than fifty-three (53) percent sulfate of magnesia and not more than

two and one-half (2.5) percent chlorine.

      (34) "Dried

blood" means a fertilizer that is the collected blood of slaughtered

animals, dried and ground and containing not less than twelve (12) percent

nitrogen.

      (35)

"Fertilizer formula" means the quantity and analysis of the crude

stock materials used in making a mixed fertilizer.

      (36)

"Filler" means any substance added to fertilizer materials to provide

bulk, prevent caking or serve some purpose other than providing essential plant

nutrients.

      (37) "Fish

tankage" means a fertilizer derived from dried, ground, rendered or unrendered

whole fish or fish scrap.

      (38) "Garbage

tankage" means the rendered, dried and ground product derived from waste

household food materials.

      (39) "Granular

fertilizer" means a fertilizer in which ninety-five (95) percent or more

of the product is retained on a series of sieves within the range of U.S. No. 4

(4.75 mm opening) to and including U.S. No. 20 (0.850 mm opening) and in which

the largest particle passes through a sieve having an opening not larger than

four (4) times that of the sieve which retains ninety-five (95) percent or more

of the product.

      (40) "Ground

raw bone" means a fertilizer made from ground animal bones that have not

been previously steamed under pressure, heated, or otherwise manipulated.

      (41) "Ground

sterilized bone" means a fertilizer made from ground animal bones or bone

meal that have been previously steamed under pressure, heated, or rendered

sterile in some other acceptable manner.

      (42) "Hoof and

horn meal" means a fertilizer derived from processed dried and ground hoofs

and horns.

      (43)

"Hydroponics" means a system in which water soluble nutrients are

placed in intimate contact with the plant's root system, being grown in an

inert supportive medium which supplies physical support for the roots but which

does not add or subtract plant nutrients.

      (44)

"Isobutylidene diurea" means a fertilizer that is the condensation

product of isobutyraldehyde and urea having a minimum total nitrogen content of

thirty (30) percent. It is a source of slowly available nitrogen by virtue of

particle size, solubility decreasing with increase in particle size. Material

conforming to the description of a "granular fertilizer" will have

ninety (90) percent of its nitrogen content in the water insoluble form prior

to grinding as tested by AOAC International Method 945.01.

      (45)

"Kainit" means a fertilizer that is a potash salt containing potassium

and sodium chlorides and sometimes sulfate of magnesia with not less than

twelve (12) percent soluble potash (K2O).

      (46) "Kelp

(seaweed)" means a fertilizer derived from the dried marine algae of the

botanical divisions of Rhodophyta (red algae), Phaeophyta (brown algae), and

Chlorophyta (green algae).

      (47) "Liquid

fertilizer" means a fluid fertilizer in which the plant nutrients are in

true solution.

      (48) "Magnesium

sulfate" means a fertilizer consisting chiefly of the chemical compound,

magnesium sulfate, with or without combined water, such as, epsom salts (MgSO4.7H2O),

kieserite (MgSO4.H2O) and calcined kieserite (MgSO4).

      (49) "Manganese

sulfate" means a fertilizer consisting of anhydrous manganese sulfate

(MnSO4).

      (50)

"Manipulation" means processed or treated in any manner, including

drying to a moisture content of less than thirty (30) percent, composting,

bagging, leaching, pelleting, dissolution and recrystallization.

      (51) "MAP

(fertilizer grade)" means a fertilizer composed of ammonium phosphates,

principally monoammonium phosphate, resulting from the ammoniation of

phosphoric acid. The guaranteed percentage of nitrogen and available phosphate

shall be stated as part of the name.

      (52)

"Melamine" means a fertilizer that is a sparingly soluble organic

compound of formula C3H6N6 which contains at

least sixty-six (66) percent nitrogen. (CAS No. 10878-1 2,4,6

triamino-1,3,5-triazine, triamino-s-triazine).

      (53)

"Methylenediurea (MDU)" means a fertilizer that is a water soluble

condensation product resulting from the reaction of one (1) molecule of

formaldehyde with two (2) molecules of urea, with the elimination of one (1)

molecule of water. It has a minimum total nitrogen content of forty-two (42)

percent and is a source of slowly available nitrogen.

      (54)

"Micronutrients" means the essential plants nutrients of boron,

chlorine, cobalt, copper, iron, manganese, molybdenum, sodium and zinc.

      (55) "Mine run

potash salts" means fertilizers that are potash salts containing a high

percentage of chloride and from twenty (20) percent to thirty (30) percent

soluble potash (K2O).

      (56) "Muriate

of potash (commercial potassium chloride)" means a fertilizer that

contains forty-eight (48) percent to sixty-two (62) percent soluble potash (K2O)

chiefly as chloride.

      (57) "Natural

base fertilizer" means a mixed fertilizer where more than half of the

fertilizer materials is natural and where more than half of the sum of the

guaranteed primary nutrient percentages is derived from natural materials.

      (58) "Natural

fertilizer" means a fertilizer composed only of natural organic and/or

natural inorganic fertilizer materials and natural fillers.

      (59) "Natural

inorganic fertilizer" means a mineral nutrient source that exists in or is

produced by nature and may be altered from its original state only by physical

manipulation.

      (60) "Natural

organic fertilizers" means organic fertilizers derived from either plant

or animal products. These fertilizers:

      (a) May be subjected

to biological degradation processes under normal conditions of aging, rainfall,

sun-curing, air-drying, composting, rotting, enzymatic, or anaerobic/aerobic

bacterial action, or any combination of these; and

      (b) Shall not be

mixed with synthetic materials or changed in any physical or chemical manner

from their initial state except by manipulations such as drying, cooking,

chopping, grinding, shredding, hydrolysis, or pelleting.

      (61) "Nitrate

of potash or potassium nitrate" means a fertilizer that is chiefly the

potassium salt of nitric acid. It shall contain not less than twelve (12)

percent nitrogen and forty-four (44) percent soluble potash.

      (62) "Nitrate

of soda or sodium nitrate" means a fertilizer that is chiefly the sodium

salt of nitric acid. It shall contain not less than sixteen (16) percent

nitrate nitrogen and twenty-six (26) percent sodium.

      (63) "Nitrate

of soda potash or sodium and potassium nitrate" means a fertilizer that is

chiefly the sodium and potassium salts of nitric acid. It shall contain not

less than fifteen (15) percent nitrate nitrogen, ten (10) percent soluble

potash and eighteen (18) percent sodium.

      (64) "Nitrogen

stabilizer" means a substance added to a fertilizer which extends the time

the nitrogen component of the fertilizer remains in the soil in the ammoniacal

form.

      (65)

"Nitrophosphate" means a fertilizer obtained by acidulation of

phosphate rock with nitric acid resulting in a complex mixture of nitrates and

phosphates that does not contain nitrate nitrogen and phosphorus in the same

molecule. The process is subject to modifications designed to remove the

hygroscopic calcium nitrate formed such as ammoniation, physical separation,

coacidulation with sulfuric or phosphoric acids, or subsequent treatment with

carbon dioxide.

      (66)

"Nonacid-forming fertilizer" means a fertilizer that is not capable

of increasing the residual acidity of the soil.

      (67) "Organic

base fertilizer" means a mixed fertilizer where more than half of the

fertilizer materials is organic and where more than half of the sum of the

guaranteed primary nutrient percentages is derived from organic materials.

      (68) "Organic

fertilizer" means a fertilizer containing carbon combined covalently with

one (1) or more elements essential for plant growth other than hydrogen and

oxygen.

      (69) "Oxamide

(fertilizer grade)" means a fertilizer that is the diamide of oxalic acid

of the formula C2H4N2O2 which

contains twenty-eight (28) to thirty-two (32) percent nitrogen. It is a source

of slowly available nitrogen.

      (70)

"Peat" means the partly decayed vegetable matter of natural

occurrence. It is composed chiefly of organic matter that contains some

nitrogen of low activity.

      (71)

"Pelletized fertilizer" means a fertilizer whose physical form is

uniform in size and usually of globular shape containing one (1) or more

nutrients produced by one (1) of several methods including:

      (a) Solidification

of a melt while falling through a countercurrent stream of air;

      (b) Dried layers of

slurry applied to recycling particles;

      (c) Compaction;

      (d) Extrusion; and

      (e) Granulation.

      (72)

"Phosphate" means the phosphorus in a fertilizer that is designated

and guaranteed as equivalent to phosphorus pentoxide (P2O5).

      (73) "Phosphate

rock" means a natural rock containing one (1) or more calcium phosphate

minerals of sufficient purity and quantity to permit its use, either directly

or after concentration, in the manufacture of commercial fertilizers.

      (74) "Polymer

coated fertilizer" means a coated slow release fertilizer consisting of

fertilizer particles coated with a polymer (plastic) resin and is a source of

slowly available plant nutrient(s).

      (75) "Polymer

coated urea (PCU)" means a coated slow release fertilizer consisting of

urea particles coated with a polymer (plastic) resin. It typically contains

about forty (40) percent nitrogen and is a source of slowly available nitrogen.

      (76)

"Polyphosphates" means a general class of phosphatic fertilizers made

from the salts of any of a series of polyphosphoric acids, whose molecular

structure contains two (2) or more phosphorus atoms linked by oxygen. Solutions

may contain several ionic species such as orthophosphates, pyrophosphates, and

polyphosphates containing three (3) or more phosphorus atoms, commonly known as

tripolyphosphates or tetrapolyphosphates and water.

      (77)

"Potash" means the potassium in a fertilizer that is designated and

guaranteed as equivalent to potassium oxide (K2O).

      (78) "Potting

soil" means a material suitable for holding and growing potted plants and

usually made from natural materials. It may include fertilizers, pesticides

and/or soil amendments.

      (79)

"Precipitated phosphate" means a fertilizer that consists mainly of

dicalcium phosphate obtained by neutralizing with calcium hydroxide the acid

solution of either phosphate rock or processed bone.

      (80) "Primary

nutrients" means nitrogen (N), available phosphate (P2O5)

or phosphorus (P), and soluble potash (K2O) or potassium (K).

      (81) "Process

tankage" means a fertilizer made under steam pressure from crude inert

nitrogenous materials, with or without the use of acids or bases, for the

purpose of increasing the activity of nitrogen. These products shall be called

"process tankage" with or without further qualification and the water

insoluble nitrogen shall test at least fifty (50) percent active by the

alkaline permanganate method (AOAC International Method 920.07), or eighty (80)

percent active by the neutral permanganate method (AOAC International Method

920.06).

      (82) "Secondary

nutrients" means the essential plant nutrients of calcium, magnesium, and

sulfur.

      (83) "Sheep

manure wool waste" means a fertilizer that is the by-product from

wool-carding establishments consisting chiefly of sheep manure, seeds, and wool

fiber.

      (84) "Slow or

controlled release fertilizer" means a fertilizer containing a plant

nutrient in a form which delays its availability for plant uptake and use after

application, or which extends its availability to the plant significantly

longer than a reference "rapidly available nutrient fertilizer" such

as ammonium nitrate, urea, ammonium phosphate, or potassium chloride. Such

delay of initial availability or extended time of continued availability may

occur by a variety of mechanisms including:

      (a) Controlled water

solubility of the material by semipermeable coatings, occlusion, or by inherent

water insolubility of polymers, natural nitrogenous organics, protein

materials, or other chemical forms;

      (b) By slow

hydrolysis of water soluble low molecular weight compounds; or

      (c) By other unknown

means.

      (85) "Soft

phosphate with colloidal clay" means a very finely divided, low-analysis

fertilizer that is a byproduct from mining Florida rock phosphate by a

hydraulic process in which the colloidal materials settle at points in

artificial basins farthest from the washer, and are later removed after the

natural evaporation of the water.

      (86) "Slurry

fertilizer" means a fluid fertilizer containing dissolved and undissolved

plant nutrient materials which requires continuous mechanical agitation to

assure homogeneity.

      (87) "Soluble

potash" means the potash contained in a fertilizer which is soluble in

aqueous ammonium oxalate, aqueous ammonium citrate, or water, according to an

applicable AOAC International Method.

      (88)

"Stabilized nitrogen fertilizer" means a fertilizer to which a nitrogen

stabilizer has been added.

      (89) "Sulfate

of ammonia or ammonium sulfate" means a fertilizer that is chiefly the

ammonium salt of sulfuric acid. It shall contain not less than twenty and

five-tenths (20.5) percent nitrogen.

      (90) "Sulfate

of potash (commercial potassium sulfate)" means a fertilizer containing

not less than forty-eight (48) percent soluble potash (K2O), chiefly

as sulfate, and not more than two and one-half (2.5) percent chlorine.

      (91) "Sulfate

of potash magnesia" means a fertilizer containing not less than

twenty-five (25) percent soluble potash (K2O) nor less than

twenty-five (25) percent sulfate of magnesia and not more than two and one-half

(2.5) percent chlorine.

      (92) "Sulfur

coated urea" means a coated slow release fertilizer consisting of urea

particles coated with sulfur. The product is usually further coated with a

sealant (two (2) percent to three (3) percent of total weight) and a

conditioner (two (2) percent to three (3) percent of total weight). It

typically contains about thirty (30) percent to forty (40) percent nitrogen and

about ten (10) percent to thirty (30) percent sulfur.

      (93)

"Superphosphate" means a fertilizer that is obtained when phosphate

rock is treated with either sulfuric acid, phosphoric acid, or a mixture of

those acids. The guaranteed percentage of available phosphate shall be stated

as a part of the name.

      (94)

"Superphosphoric acid" means the acid form of polyphosphates, consisting

of a mixture of orthophosphoric and polyphosphoric acids. Ionic species

distribution varies with concentration, typically sixty-eight (68) to

eighty-three (83) percent P2O5.

      (95)

"Suspension fertilizer" means a fluid fertilizer containing dissolved

and undissolved plant nutrients where the undissolved plant nutrients are

suspended with the aid of a nonfertilizer suspending agent or by the inherent

properties of the undissolved materials. Mechanical agitation may be necessary

in some cases to facilitate uniform suspension of the undissolved plant

nutrients.

      (96)

"Synthetic" means any substance generated from another material or

materials by means of a chemical reaction.

      (97) "Tankage

(without qualification)" means a fertilizer made from the rendered, dried,

and ground by-product, largely meat and bone, from slaughtered animals or those

that have otherwise died.

      (98)

"Triazone" means a fertilizer that is a water soluble compound of

formula C3H7N3O which contains at least

forty-one (41) percent total nitrogen. (CAS No. 709814-6, 1,3,5 triazin-2-one,

tetrahydro-s-triazone)

      (99)

"Unit" means twenty (20) pounds of plant food or one (1) percent of a

ton.

      (100)

"Unmanipulated" means materials not subjected to manipulation.

      (101)

"Urea" means a fertilizer that is the commercial synthetic acid amide

of carbonic acid and it shall contain not less than forty-five (45) percent

nitrogen.

      (102)

"Urea-formaldehyde products (sparingly soluble)" means fertilizers

that are reaction products of urea and formaldehyde which:

      (a) Contain less

than thirty-five (35) percent total nitrogen, largely in water insoluble but

slowly available form;

      (b) Have not less

than sixty (60) percent of the total nitrogen in water insoluble form; and

      (c) Shall have

activity indexes of the water insoluble nitrogen that are either:

      1. Not less than

forty (40) percent by the AOAC International Method 955.05 (nitrogen activity

index for urea-formaldehyde products); or

      2. Not less than

fifty (50) percent by AOAC International Method 920.07 (alkaline permanganate)

or eighty (80) percent by AOAC International Method 920.06 (neutral

permanganate). They shall have the percentage of total nitrogen as part of the

product name; for example: Twenty (20) percent N Urea-Formaldehyde.

      (103) "Urea-formaldehyde

products (water soluble)" means fertilizers that are reaction products of

urea and formaldehyde which:

      (a) Contain at least

thirty (30) percent nitrogen, largely in water soluble form;

      (b) Have some slowly

available nitrogen products present;

      (c) Form stable

aqueous solutions; and

      (d) Contain a

maximum of fifty-five (55) percent free urea, with the remainder of the urea

being chemically combined as methylolureas, methylolurea ethers, and/or

methylenediurea (MDU) and dimethylenetriurea (DMTU).

      (104) "Ureaform

materials (sparingly soluble)" means fertilizers that are reaction

products of urea and formaldehyde which:

      (a) Contain at least

thirty-five (35) percent nitrogen, largely in water insoluble but slowly

available form;

      (b) Have at least

sixty (60) percent of the total nitrogen content in water insoluble form; and

      (c) Have a water

insoluble nitrogen activity index of not less than forty (40) percent when

determined by AOAC International Method 955.05.

      (105)

"Urea-triazone solution" means a fertilizer that is a stable solution

resulting from controlled reaction in aqueous medium of urea, formaldehyde, and

ammonia which:

      (a) Contains at

least twenty-five (25) percent total nitrogen; and

      (b) Shall contain no

more than forty (40) percent nor less than five (5) percent of the total

nitrogen from unreacted urea and not less than forty (40) percent of the total

nitrogen from triazone. All other nitrogen shall be derived from water soluble,

dissolved reaction products of the above reactants. It is a source of slowly

available nitrogen.

      (106)

"Vegetable manure" means plant material that has been composted. (11

Ky.R. 511; eff. 11-13-84; Am. 12 Ky.R. 1519; eff. 4-17-86; 21 Ky.R. 453; 1023;

eff. 9-28-94.)