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NHAES Bulletin New Hampshire Agricultural Experiment Station

12-1-1927

Inspection of commercial fertilizers 1927, Bulletin, no. 231 Inspection of commercial fertilizers 1927, Bulletin, no. 231

New Hampshire Agricultural Experiment Station

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Recommended Citation

New Hampshire Agricultural Experiment Station, "Inspection of commercial fertilizers 1927, Bulletin, no.

231" (1927). NHAES Bulletin. 194.

https://scholars.unh.edu/agbulletin/194

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INSPECTION OF COMMERCIAL

FERTILIZERS

MADE FOR THE

STATE DEPARTMENT OF AGRICULTURE.

The

inspection of commercial fertilizers reported ^{in this} bulletin

was made

under the direction of the Honorable

Andrew

L. Felker, Commissioner of Agriculture.

The

state inspector, Mr-

Eugene

^D.

Sanbom,

^{collected sam-}

ples of 125 brands of fertilizer materials which were offer- ed for sale

by

^{dealers or}

had

been delivered to consumers between

March

and _June, 1927.

The

general character ^of the fertilizer materials collected is

shown by

^{the follow-}

ing classification:

Complete ^fertilizer 96

Acid phosphate ⁵

Nitrate of soda 6

Sulphate ^of

ammonia

2

Ground

bone 5

Tankage

³

Sheep

manure

7

Poultry

manure

¹

125

THE FERTILIZER LAW.

The New _Hampshire

fertilizer law _{applies to} all fertil- izer materials offered for sale, whether mixed materials in the form of complete fertilizers or

unmixed

materials as acid phosphate, ^{nitrate of soda,} ground bone, tankage,

etc.

Under

the provisions ^of the law _every manufacturer or dealer

who

shall sell or offer for sale

any

^fertilizer

2 N. H- AGR.

EXPERIMENT

STATION _[Bulletin231

material shall furnish with each lot or package ^a clearly printed statement certifying the brand

name

under which

it is sold, the

name

and address of the manufacturer, ^the

number

of net pounds ^the package ^contains and a chem-

ical analysis stating the

minimum

percentages ^of nitrogen of total phosphoric acid, of available phosphoric ^acid and

of water soluble potash.

No

_person shall sell or offer for sale

any

pulverized leather, hair or wool waste, peat, gar- bage tankage, ^or any ^{inert material} whatsoever, with- out an _explicit printed statement ^{of the fact} conspicuously fixed to every package ^{of such material.}

The

state official in charge ^of the administration of the fertilizer law is the Commissioner of Agriculture.

NEW ENGLAND STANDARD NINE

Late in December, 1922, the directors of the

New _Eng-

land Agricultural Experiment ^Stations and the agronomists of the

New England

^State Colleges

met

in conference with representatives of the fertilizer manufacturers _selling in

New

England and adopted nine grades ^{of fertilizer} which

in their opinion meet all the fertilizer requirements ^of

New

England crops and soils.

The

formulas and

recommended

uses of these nine grades,

known

as the

New

England Standard Nine, ^are as follows:

1. 0-12-6

—

For late fall seeding of grass and _grain and for top-dressing ^clover and alfalfa.

2. 2-12-4

—

For late

summer

and _early fall seeding ^of grass or grain; also for

com

with the addition of manure.

3. 3-10-4

—

_{For com,} small _{grains, millet,} tomatoes and cabbage on the heavier soils.

4. 3-10-6

—

For _corn, beans and _peas on the _lighter

soils.

Dec,

1927] fertilizer inspection, 1927 3

5. 4-8-4

—

For _{potatoes, beets, carrots,} onions and other root crops on the heavier soils.

6. 4-8-6

—

For _potatoes and other _{root crops} on loams.

7. 5-4-5

—

For tobacco.

8. 5-8-7

— For

_{potatoes, celery} and other truck crops on _light soils.

9. 8-6-6

—

For top-dressing

hay and

_pasture land.

One

object of this conference

was

to decrease the need- lessly large

number

of different grades on the market.

Had

the recommendations

made

been _accepted

by

^{the con-} sumers of fertilizer materials in

New

_Hampshire, the 96 complet-e fertilizers analyzed ^{in this} year's inspection would have been comprised ^{of 9} grades. Instead, there are 26 grades- This

number

should be reduced to 24

by

omitting

two

_grades, 8-16-8 and _10-16-14, which are double strength of the grades 4-8-4 and 5-8-7. These 24 grades ^include only 6 ^of the

New _England

Standard Nine.

Three _grades of the

New

England Standard

Nine

were not found ^offered for sale.

Not

including the double strength grades equivalent ^to 5-8-7 and 4-8-4, there were4 grades representing 15 brands containing

more

_potash than the agronomists ^of

New _Eng-

land consider is necessary or profitable to ^use.

No

grade in the

New

England Standard

Nine

contains

more

than 7 per cent potash. Three _grades, representing 14 brands, were _guaranteed tocontain 10 per cent potash.

One

brand

was

_guaranteed to contain 8 per ^cent potash. In Table

1 are given the grades ^of complete fertilizers collected, the

number

of brands found in each _grade, the average analysis of each grade and the average ^retail price per ton.

N. H- AGE.

EXPERIMENT

STATION _[Bulletin231

TABLE

^I

Dec,

1927] fertilizer inspection, 1927

TABLE

^II

6 N. H. AGR.

EXPERIMENT

STATION _[Bulletin231

were comparatively negligible, however, the small defici-

ency ^{in one} constituent being ^{offset in} value

by

^overi-un

in other constituents.

A

detailed

summary

^{of the} deficiencies in the 62 brands which failed to meet their guarantees ^follows:

Brands Nitrogen, ^available phosphoric acid, total

phosphoric ^acid and _potash 1

Nitrogen, ^total phosphoric ^acid and _potash Nitrogen, ^available phosphoric ^acid and

potash 2

Available phosphoric acid, total phos-

phoric ^acid and _potash 4

Total phosphoric ^acid

and

_potash 2 Available phosphoric ^acid and _potash 2

Nitrogen and potash 4

Nitrogen, ^total phosphoric ^acid and avail-

able phosphoric ^acid 6

Nitrogen and available phosphoric ^{acid... 1} Nitrogen and ^total phosphoric ^acid 2

Potash 9

Available phosphoric ^acid and total phos-

phoric ^acid 9

Total phosphoric ^acid 10

Available phosphoric ^acid

Nitrogen ¹⁰

Total 62

Total Deficiencies

4

12 4 4 8

18 2 4 9

18 10

10

109

NITROGEN DEFICIENCIES

Six brands of nitrate of soda and

two

brands of sul- phate ^of

ammonia

were _analyzed. All _fully

met

their guarantees except one brand of nitrate of soda which

was

deficient

by

^0.63 per ^cent.

One

hundred and twelve other

Dec,

1927] fertilizer inspection, 1927 7

brands were _guaranteed to contain nitrogen ⁱⁿ

amounts

varying from 0.82 per cent ^to 16 per ^cent. Twenty-five of these failed to meet the guarantee ^{in full. Six} were below the guarantee

by

^{less than one-tenth} per ^cent.

Thirteen were below by

more

than one-tenth per cent but less than two-tenths per ^cent. Three were below

by more

than two-tenths per cent but less than three tentlis per cent.

Two

were below

by more

than three-tenths per cent butless than four-tenthsper ^cent.

One

failed to meet the guarantee

by

eigthy-four hundredths _per cent. Since nitrogen ^{is the}

most

costly constituent of mixed fertilizers,

any

deficiency ^{in this} element considerably decreases the commerical value.

The

six brands of nitrate of soda an- alyzed ^this year averaged ^{to contain 15.25} per cent ^nitro- gen

and

were sold at an _{average price} of $69-75 per ^ton.

The

commercial value of the

amount

of nitrogen repre- sented

by

^the greatest deficiency above

was

therefore nearly four ^dollars per ^ton.

PHOSPHORIC ACID DEFICIENCIES

Five brands of sixteen per cent acid phosphate were analyzed and found ^to

meet

the guarantee.

One

hundred

and

twelve other brands were guaranteed ^to contain phos- phoric ^acid. Thirty-four ^{of these} were deficient in total phosphoric ^acid and twenty-five ^{in available} phosphoric acid. Thirteen failed to

meet

the guarantee ^{of total} phos- phoric ^acid

by

^{less than} one-fourth per ^cent. Fourteen were

more

than one-fourth per cent below but less than one-half per ^cent. Five were

more

than one-half per cent below butlessthanthree-fourths per ^cent.

Two

were

more

than three-fourths per cent below but less than _{one per} cent- Thirteen failed to meet the guarantee ^{in available} phos- phoric acid

by

^{less than} one-fourth per ^cent. Nine were

more

than one-fourth per cent below but less than one- half per ^cent.

One was more

than one-half per cent below

8 N. H. AGR.

EXPERIMENT

STATION _[Bulletin231

but less than three-fourths per ^cent.

Two

were

more

than three-fourths per cent below but less than _{one per} cent.

The

five brands of acid phosphate analyzed ^this year ^aver- aged ^{tocontain 16.25} per cent ^availablephosphoric ^acidand sold at an _{average price} of $19.75 per ^ton.

A

_deficiency

of one per cent available phosphoric ^{acid is} equivalent, therefore, to about _{$1.20 per} ton.

POTASH DEFICIENCIES

One

hundred and fourteen brands were _guaranteed to contain potash ⁱⁿ

amounts

_varying from 1.30 per ^{cent to} sixteen per ^cent. Twenty-four ^{failed to} meet the guaran- tees.

Ten

were deficient

by

^{less than} one-fourth per ^cent.

Seven were below

by more

^than one-fourth per cent but less than one-half per^cent. Fivewere below

by more

^than one-half per cent but^less thanthree-fourths per ^cent.

Two

were below

more

than three-fourths per cent but ^less than one per ^cent.

A

deficiency ^of one per ^cent potash repre- sents a decrease in the commercial value of about one dol- lar per ^ton.

In the tabulation of the analyses ^{in the} following pages deficiencies of two-tenths of one per cent^or

more

are

shown

in Italics.

The names

of the manufacturers are arranged alphabetically, and under the manufacturer the different brands are arranged alphabetically or numerically

by

formula.

The

nitrogen determinations were

made _by

Mr.

Gordon

P. Percival, and assistance

was

rendered in

mak-

ing the phosphoric ^acid determinations

by

^Mr.

Frank

S.

Schlenker.

Dec,

1927] fertilizer inspection, 1927

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