^i iSP ^eH^t^^ rsi-iii OK -URi^. '^/^ ^i^ - RB-i - >'\3i. *^^7»- EXPERIMENT STATION LIBRARY 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. Sanborn, collected samples of 117 brands of fertilizer materials which were offered for sale by dealers or had been delivered to consumers during the year ending June, 1930. The general character of the fertilizer materials collected is shown by the following classi- fication : Complete fertilizer 93 Nitrogen and superphosphate 1 Superphosphate and potash 1 Superphosphate (acid phosphate) 5 Nitrate of Soda 2 Ground bone 6 Tankage 3 Natural manures 6 117 THE FERTILIZER LAW The New Hampshire fertilizer law applies to all fertilizer materials offered for sale, whether mixed materials in the form of complete fertilizers or unmixed materials as super- phosphate (acid phosphate), nitrate of soda, ground bone, tankage, etc. Under the provisions of the law every manu- 2 N. H. AGR. EXPERIMENT STATION [Bulletin 254 facturer or dealer who shall sell or oifer for sale any fertilizer 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 chemical 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, garbage tankage, or any inert material whatsoever, without an ex- plicit 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. In Table I 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. Dec, 1930] FERTILIZER INSPECTION, 1930 3 TABLE I o a S u «.2 o o If per cent le phos- acid +3 a P.O retail ler ton Formula M)SJ) Average total p acid Average availab] phoric Average water t potash 1^ 0.82—9—4 o 1.04 10.25 9.39 4.09 $45.00 0.82—10—3 1 0.85 11.71 10.69 3.00 42.00 1.64 — 8 — 2 3 1.85 9.32 8.25 2.15 38.33 1.64 — 8 — 10 2 1.74 8.97 8.39 10.00 40.00 1.64 — 9 — 3 3 1.79 10.02 9.22 3.13 36.00 1.64 — 10—2 3 1.81 10.77 10.16 2.15 39.00 1.64 — 10 — 4 1 1.85 11.57 10.84 4.16 40.00 1.64 — 12 — 4 3 2.00 12.93 12.04 4.30 40.33 2.47 — 8—4 7 2.52 9.01 8.37 4.10 41.71 2.47—8—10 1 2.57 9.73 8.55 10.25 56.00 2.47 — 10—4 1 2.81 11.46 10.03 4.26 40.00 2.47 — 10 — 6 1 2.70 11.00 10.00 6.03 38.00 3.29 — 6 — 10 10 3.31 7.17 6.52 9.80 48.33 3.29 — 8 — 4 12 3.42 9.67 8.45 4.15 46.33 3.29 — 8 — 7 1 3.58 9.04 8.34 6.59 44.00 3.29 — 10 — 4 1 3.43 11.65 10.45 4.00 50.00 3.29—10—5 1 3.36 10.51 10.15 5.18 100.00 4—8—8 1 4.11 8.84 8.23 7.83 45.00 4 — 10 — 6 1 4.06 11.36 10.51 6.00 45.00 4 — 12 — 4 2 4.32 13.36 11.88 4.20 40.60 4.11 — 8 — 7 15 4.21 9.57 8.69 7.00 51.93 4.11 — 10 — 5 1 3.89 11.01 10.21 4.79 47.00 4.93 — 6 — 4 1 5.05 8.08 7.48 4.00 50.00 4.93—8—7 1 4.94 9.06 8.27 6.82 46.00' 4.93—10—4 1 5.10 10.86 10.32 4.16 120.00 5 — 9—6 1 4.92 11.07 9.35 6.00 54.00 5—10—4 1 4.91 11.79 10.68 3.92 120.00 5.76—6 — 5 4 5.54 6.95 6.33 5.05 52.22 5.76—8—5 1 5.77 8.94 8.25 5.07 49.00 5.76 — 8—6 1 5.89 9.61 8.57 6.08 60.00> 6—8—6 1 5.65 10.04 9.03 5.66 6.58—6 — 5 1 6.73 7.26 6.42 5.07 'l20'.66' 6.58 — 6 — 6 1 5.85 6.50 6.00 6.05 50.00' 6.58^16 — 8 1 6.09 16.90 15.90 8.10 61.00' 8 — 16 — 16 1 8.00 17.54 16.54 16.28 67.80 8.22 — 3 — 8 1 8.12 9.64 6.23 7.89 78.00 8.22 — 16 — 14 2 7.85 17.27 16.40 14.40 72.75 10 — 20—15 1 9.62 24.88 24.02 15.63 76.00 CONFORMITY TO GUARANTEE Forty-five of the 117 brands analyzed were found to con- tain less than the guarantee of one or more of the three con- stituents. The total number of guarantees on the 117 brands was 437, the total number of deficiencies 57, the per cent of the guarantees deficient 13.0. In the last year's inspection this figure was 12.3 per cent. The previous yv?ar 4 N. H. AGR. EXPERIMENT STATION [Bulletin 254 it was 19.6 per cent. Many of the deficiencies were compar- atively negligible, the small deficiency in one constituent being offset in value by overrun in other constituents. A detailed summary of the deficiencies in the 45 brands which failed to meet the guarantees follows : Number of Total Brands Deficiencies Nitrogen, total phosphoric acid, available phosphoric acid and potash 0 0 Nitrogen, total phosphoric acid and potash 0 0 Nitrogen, available phosphoric acid and potash 0 0 Nitrogen, total phosphoric acid and avail- able phosphoric acid Nitrogen and total phosphoric acid Nitrogen and available phosphoric acid..-. Nitrogen and potash Nitrogen 'Total phosphoric acid, available phos- phoric acid and potash Total phosphoric acid and potash Available phosphoric acid and potash Potash Total phosphoric acid and available phosphoric acid Total phosphoric acid Available phosphoric acid 0 0 0 0 2 4 9 18 14 14 0 0 0 0 0 0 10 10 1 2 4 4 5 5 45 57 NITROGEN DEB^ICIENCIES One hundred eleven brands were guaranteed to contain nitrogen in amounts varying from 0.82 per cent to 10 per cent. Twenty-five brands failed to meet the guarantee. Fifteen of these brands were deficient less than one-fourth per cent or 5 lbs. of nitrogen per ton. The amounts of the Dec, 1930] FERTILIZER INSPECTION, 1930 5 other deficiencies expressed as pounds per ton are as follows : 5.2 lbs., 5.4 lbs., 6.6 lbs., 7.0 lbs., 7.6 lbs., 9.4 lbs., 10.0 lbs., 11.0 lbs., 13.6 lbs., 14.8 lbs. The greatest deficiency, 14.8 lbs. is equivalent to approximately $3.50 per ton. PHOSPHORIC ACID DEFICIENCIES One hundred fifteen brands were guaranteed to contain phosphoric acid. Twelve brands failed to meet the guaran- tees. Four were deficient in total phosphoric acid, seven in available phosphoric acid and one in both total and avail- able phosphoric acid. Only three of these deficiencies would amount to as much as $1.00 per ton. POTASH DEFICIENCIES One hundred samples were guaranteed to contain potash. Nineteen failed to meet the guarantee. The greatest de- ficiency is equivalent to less than $1.00 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 differ- ent brands are arranged alphabetically or numerically by formula. N. H. AGR. EXPERIMENT STATION [Bulletin 254 X O < (6 O ca o W puno^ paa^uBannf) Q 1 c« puno^ 03 > < paa^uBJBnf) puno^ o paa^juBJBUf) puno^i paa^UBJBng o O S w a ^>. 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EXPERIMENT STATION [Bulletin 254 1 iH OOOOJ O00->S" a punojj •^ 0 w oc 0 0 0 m (M* 0 (N ;D -"St rr in < tH o Oh 0 000000 paa;uBaBn£) • 000000 1-1 0 oj t-^ ■«* TjJ ui 1—1 ■* ?D LO t~- (M to 0 , Q punoj[ t-; r-5 -^ 00 Oa t-; 0 t-; CO 0 06 00 00 0 1—1 < ■3 > 0 000000 , << paa^jUBJBnf) 0 000000 C> 0 00 06 00' CO T-( tH CO rr tXM T-l «o 00 • punOjj 0 0 T-; 0 CO t-^ in CO o 0 (M* C> rH 0 as 00 c-^ t^ tH eg Ifl 000000 t^ paa^uBjBnf) 000000 0 0' 00' 00' 06 CO 1— ( T-l o (M 0 CO CO in T-i e>5 >-( puno^ CO (>J 00 rH CO 10 -^t- ca N CO T-I Tj< CO c:)< 0 00 CD CO 00 S p8a:^u'BJBnf) 0 ^ ^ ^ & ^ ^ 3 Q "3 QJ 0) (1) 01 0) 0) $1^ a. 52; ^; 2:z::2;;2; a 1 Dec, 1930] FERTILIZER INSPECTION, 1930 13 o u M ro P^ r/1 N 05 H T) fe Q b ajs a -i-> w 3 Q o 03 l-H 0) +-> PS O I ^^ 2-0 0) <0 0} -a -a OO o o N l-H H 03 W < C a 2 SW ^ 03 N ';.i CD > o Q ^ a c iJ E-i OS o Ah O O Cg_ 00 rH TjJ CO O i> T^ OO o o o o CO OO OO o't> i-H ooooo o o o o o ■<* coo 00* -^' OO OO odt- T— > OS • o coo «Do6 L^ojincoTjtt-c^jio Tj< ;o lo oa 00 O t-; CD oo'od?dot-^odod l-H T-H T-H 1-1 oc oc 00 «£ > LO > o' OO OO 50 00 oooooooo o o o o o o o o o o' oo" CO o «o oC oo" T-l l-H l-H l-H (N 5£> 00 lO ood lOi-HCOTjtt-OOOOO l-H th ai 05 1-5 1-^ ci 05 l-H l-H l-H tH oc oc OS t- > lO > t-; ■ O < OO OO 5Dod OOOOOOOO \a lo lo o lo LO o o o o' 00 oo" o CD 00 oo' l-H tH l-H l-H 00 ooo coiotxMin -^_ 00 U3 l-H 00 Co' O (N 00 tH t-<35 U3CO co'-^' l-H l-H o l-H ooo COtjJ 0(M CDIM-^ CO 00 n; c^j CD CO O OJ 00 l-H Oi-H CO l-H eo-«f o l-H t- CD 00 (U 01 _CJ_CJ "c'c 03 rt OO T3-3 c c 03 ca 5-< r-i o o o So N •l-H M o Pi o •3c« CO c 1^ o <^ a 03 ^^ 0) tC U 01 O) ^H Jh Si a':5 cSPh ^ 1^ OJ crt O X -^^ bf) cc 03 il " .^ i, u - 'rH H S ^ rt 4-3 f^ I rtl^oo P< ?-i I W O) lO 11 :;:: aoof 03 -Q' 3' o3 a hH 3 !3 =3 =3 =^ og '^ <^ og o3 ^^ ^H ?^ ?H ^H ^H ^H ^^ oooooooo p^ 05 « Pi « lii « K 14 N. 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