John
Pitkin Norton, 1822-1952
John
Pitkin Norton found agricultural chemistry a desirable outlet
for his considerable reforming energies. In 1847, he would
become the leader of that science in the United States. Norton
was born in 1822 in Albany, NY to a respected aristocratic
family that had produced notable governors, businessmen, and
statesmen. He spent his youth traveling between the family
farm in the appropriately-named Farmington, CT, and NY’s
active capital Albany. This mixed rural and city existence
provided a perfect context for combing the new scientific
methods of agricultural chemistry with practical farming.
His father’s enthusiasm for agricultural chemistry infected
his son. Both followed the new developments in this science
in the Cultivator—the most popular agricultural journal
of the time; they also experimented with their own crops,
and participated in agricultural competitions. With his father’s
encouragement, young Norton took these advanced amateur interests
to a new level—he arranged independent courses with
professors in agriculturally related subjects at Yale, and
in New York, and Boston.
It was at Yale, when studying chemistry with Benjamin Silliman
and his son Benjamin Silliman Jr., that Norton first encountered
the scientific notion of a “cycle of life.” Silliman
described this view in his courses and later textbook First
Principles of Chemistry for the Use of Colleges and Schools;
describing the cycle of life as “the assimilation of
lifeless particles by plants from the atmosphere, soil, and
waters.” These particles, he explained “once taken
into the plants’ structure” . . . “are transformed
by the vital force into the woody fiber, starch, and protein
of the plant,” which provide the nutritional materials
for animals. The cycle was complete when, “by the regular
processes of life these [particles] are again set free in
their original forms of carbonic acid, ammonia and water and
are once more . . . ready to enter the upward current of organic
life.” For Silliman, this process was a “beautiful
adjustment of organic forces, which maintained the balance
of nature’s two great kingdoms.” He reassured
his students that “the mind rests with equal pleasure
and admiration on these beautiful laws, which silently, but
unceasingly, work out an expression of the Almighty Will.”
In the 1840s, to have a successful career in the agricultural
sciences, Norton would need to study in Europe. Although Liebig
had a strong following amongst New England’s elite farmers,
Norton was aware that the Sillimans, after an initial devotion
to Liebig’s agricultural chemistry, had shifted their
allegiance to the views of Johnston in England and to the
French School of Dumas and Jean Baptiste Boussingault. Following
their advice, Norton studied first with Johnston in England
and Edinburgh, and then, advised by Johnston, worked with
Mulder in Utrecht. Here Norton imbibed the growing anti-Liebig
sentiments of his new intellectual community—and drank
in little else—from America he brought his devotion
to temperance activities consuming only water and even chastising
his consuming Scottish colleagues. With Johnston, Norton continued
his study of organic chemistry and took on a new experimental
question related to agriculture—a comprehensive and
extensive analysis of the chemical constitution of oats. This
project united his laboratory investigations, interactions
with the local farmers, and the theoretical views of Johnston
and Mulder, a synthesis that would model his approach upon
return to the United States.
Back in the United States, Norton realized that his work had
just begun. European ideas about managing agriculture had
to be translated to the American audience. For example, in
order to quiet local criticisms against British Henry Stephen’s
The Farmer’s Guide to Scientific and Practical Agriculture,
in which he “detail[ed] the labors of the farmer in
all their variety, and adapting them to the seasons of the
year as they successively occur” Norton co-authored
it and added lengthy appendices. Here and in articles to the
Cultivator he defended the use of foreign works on agriculture,
even though others considered them unreliable sources for
improving and managing American soils. Norton likewise reassured
the editors of Cultivator that although some criticisms were
valid, for the most part, foreign agricultural treatises did
provide good advice for managing the soil.
He based this positive assessment primarily on his holistic
understanding of agriculture—that is, he believed that
the same natural laws applied to soils and crops across the
globe. He described these laws in the language of the organic
chemistry and plant physiology that he had learned first at
Yale with the Sillimans and later with the Johnston and Mulder.
Finally, he developed them into his own vision for agriculture
when he returned to New England.
In the late 1840s, now a Yale professor, Norton advised scientists
and agriculturalists how to improve their understanding of
soil management through chemistry. The role of organic matter
in nature permeated all of Norton’s presentations. For
example, in and address to the Annual Show of the New York
State Agricultural Society in 1848, he recognized that “the
farmer of the present day, who desires to improve, and to
thoroughly understand his profession, has a wide range [of
options] before him. All of the natural sciences offer advantageous
fields for exploration. In the air, the earth, the water,
in the vegetable and animal worlds, the mind once aroused,
finds sufficient space for its utmost energies.” He
opted to focus his discussion on the soil, not “because
it offered a broader field that the others, but because it
seems naturally to come first when we speak of improvement,
and “because it is the foundation from which all progress
must be made.”
After treating briefly the “structure, physical properties
and chemical composition of the soil, Norton turned to the
role of organic matter in soil fertility. There were two great
classes of bodies, inorganic and organic. Organic matter consisted
either of living defined organs or their products. When exposed
to heat the organic part burns and disappears—thus showing
that it had originally been nothing but air. To form these
bodies from the different kinds of air, requires the action
of living organs. Inorganic substances are also present in
the plant, and in the animal, but they were not formed in
the plant, merely drawn in by it from the soil. The organic
matter of the soil is derived from the death and decay of
plants and animals, and when in the form of vegetable mould
(or humus) it exercises a remarkably beneficial influence
on all our cultivated crops. [In other words, it is better
than inorganic manures] To close this natural cycle, Norton
noted that this organic matter in the soil originally derived
from the atmosphere.
In an elegant synthesis of his religious views and his reading
of the Mulder, Norton sang of the beauty of these principles.
For they showed that “the endless chain which joins
the dead earth to the living planet, the plant to the animal,
and the animal to the earth again, is even sublime in its
unceasing series of changes.” It seemed strange to him,
that “the bare earth, so despised, so formless, should
be, by the laws of its maker, the source of all material things.”
“Our delight still increases” he said, “when
we find that these admirable productions of nature are but
the connecting link with a yet higher state of life, the means
of sustaining still more complicated, more wonderful structures.”
The idea that “Life and Beauty are nourished by decay,”
strongly reminded Norton of Mulder, who had called this inarticulate,
mysterious, production the “the striving of matter after
harmony.”
Norton associated humans intimately with this vital circulation:
“If we live forty years,” he said, “we have
been ten or twelve times entirely renewed, and the original
particles of our frames are scattered over the face of the
earth, contributing to the growth and nourishment of other
bodies.” These few examples from the many demonstrate
Norton’s synthetic view, a view that would outlive Norton,
whose original particles succeeded in were renewed perhaps
only with times, died in 1852 at the young age of thirty.
By this time, however, Norton had taught his approach to agriculture
to a number of students at the Yale’s newly-founded
Sheffield Scientific School.