Agriculture Reference
In-Depth Information
1. (Hull, 1898)
2. (Hull, 1898)
3. (Hull, 1898)
4. More likely, re-discovered.
5. Cyclopedia
6. Solly, 1845
7. Briggs, et. al., 1926
8. (Electrician, 1892)
9. (Hull, 1898)
10. Gardener's Chronicle
11. (Hull, 1898)
12. Its name has since been changed to the Massachusetts Agricultural Experiment
Station
13. (Popular Science, 1935)
14. (Chopra)
15. Long-term use of earth batteries on a plot of land can cause an over-accumulation
of copper or other forms of metal-toxicity, eventually leading to crop failure.
16. Since it would allow for increased production for a one-time nominal amount of
setup and labor costs. This is compared to the post-WWI chemical companies
looking for recurring revenue streams through the continual use of synthetic
fertilizers.
17. (Black, 1971)
18. (Chopra)
19. (Goldsworthy, 1986)
20. (Arcinue, 1982)
21. (Byers, 1984)
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