Peter Sidell

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Liebig envisioned a new kind of farming: agriculture as a branch of chemistry and physics. In this scheme, soil was just a base with the physical attributes necessary to hold roots. What mattered to agriculture were the chemical nutrients on which plant growth depended: nitrogen, potassium, phosphorus, calcium, and so on.
Peter Sidell
Liebig envisioned a new kind of farming: agriculture as a branch of chemistry and physics. In this scheme, soil was just a base with the physical attributes necessary to hold roots. What mattered to agriculture were the chemical nutrients on which plant growth depended: nitrogen, potassium, phosphorus, calcium, and so on.
The Wizard and the Prophet: Two Remarkable Scientists and Their Dueling Visions to Shape Tomorrow's World
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