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ART. LXI] MANURES AND FERTILIZERS. 451
1918. ch. 315, sec. 5.
5. It shall be unlawful to sell, offer or expose for sale for fertilizer
purposes any raw, or untreated, leather, hair, wool waste, hoof, horn,
peat, cyanogen compounds, muck, tartar pomace, mora meal, or similar
materials, either as such or mixed with other fertilizer materials; pro-
vided, however, that this section shall not apply to such material as has
been treated in a manner to make available the essential fertilizing con-
stituents which it may contain; and provided further that the section
shall not apply to the raw materials hereinbefore enumerated which
are consigned to, or offered for sale in bulk, to manipulators, or manu-
facturers of fertilizers.
1918, ch. 315, sec. 6.
6. The words "High Grade" shall not appear upon any bag 01 pack-
age of any complete fertilizer containing, according to its guaranteed
analysis, less than 1.65% of nitrogen (equivalent to 2% of ammonia),
10% of available phosphoric acid and 2% of potash; that the words
"Medium Grade" shall not appear upon any bag or package of any
complete fertilizer containing, according to its guaranteed analysis, less
than 0.82/4 of nitrogen (equivalent to 1% of ammonia), 8% of avail-
able phosphoric acid and 1% of potash; that the words "High Grade"
shall not appear upon any bag or package of acid phosphate with potash
containing, according to its guaranteed analysis, less than 13% of avail-
able phosphoric acid and 1% of potash; that the words "Medium Grade"
shall not appear upon any bag or package of acid phosphate with potash
containing, according to its guaranteed analysis, less than 11% of avail-
able phosphoric acid and 1% of potash; that the words "High Grade"
shall not appear upon any bag or package of plain acid phosphate con-
taining, according to its guaranteed analysis, less than 16% of available
phosphoric acid; that the words "Medium Grade" shall not appear upon
any bag or package of plain acid phosphate containing, according to its
guaranteed analysis, less than 14% of available phosphoric acid; that
the words "High Grade" shall not appear upon any bag or package of
ammoniated superphosphate containing, according to its guranteed
analysis, less than 10% of available phosphoric acid and 2.47% of nitro-
gen (equivalent to 3% of ammonia) ; that the words "Medium Grade"
shall not appear upon any bag or package of ammoniated superphos-
phate containing, according to its guaranteed analysis, less than 10%
of available phosphoric acid and 0.82% of nitrogen (equivalent to 1%
of ammonia); that the words "Low Grade" shall be plainly and con-
spicuously stamped on the outside of every bag, barrel or package of
complete fertilizer which contains less than 0.82% of nitrogen (equiva-
lent to 1% of ammonia), 8% of available phosphoric acid and 1% of
potash; on the outside of every bag, barrel or package of acid phos-
phate with potash which contains less than 11% of available phosphoric
acid and 1% of potash; on the outside of every bag, barrel or package
of ammoniated superphosphate which contains less than 10% of avail-
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