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Book List
2
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Handbook of plant nutrition / Allen V. Barker, David J. Pilbeam.
- 631.8 B2551
- Barker, Allen V., 1937-
- Taylor & Francis,
- 2006.
- Boca Raton, FL :
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Science and technology of organic farming / Allen V. Barker.
- 631.584 B2551
- Barker, Allen V., 1937-
- CRC Press,
- c2010.
- Boca Raton, FL :