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Query was: phosphor
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- Title: Agriculture Course (1938): Lecture III
Matching lines:
- connected with the word “phosphor,” (which means
- phosphorus, the “light bearers.” And once we have
- Title: Agriculture Course (1938): Lecture V
Matching lines:
- collected. It is said that nitrogen, phosphoric acid, calcium,
- limestone or phosphoric acid. We can, however, with
- phosphoric acid, potash and limestone in the soil, it must be
- arouse in it a proper behaviour towards phosphorous substances.
- Title: Agriculture Course (1938): Lecture VI
Matching lines:
- works of the use of preparations made of phosphorus or
- Title: Agriculture Course (1938): Appendix
Matching lines:
- itself to replacing in the soil the nitrogen, phosphoric
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