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(1) Bai.nks, A. E. 



1921. Germination in its electrical aspects. 185 pp., illus. London 

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(2) Basty, F. 



1908. Essais d'electroculture tentes a Angers en 1908. (Extrait.) In 

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(3) Berthelot, M. 



1889. Recherches nouvelles sur la fixation de l'Azote par la terre 

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(4) Blackman, V. H. 



1918-1924. [Electrical treatment of fields.] Gt. Brit. Min. Agr. and 

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(6) and J0rgenben, I. 



1917. The overhead electric discharge and crop production. In Jour. 

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(7) and Legg, A. T. 



1924. Pot-culture experiments with an electric discharge. In Jour. 

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(8) and Gregory, F. C. 



1923. The effect of a direct electric current of very low intensity on the 

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(9) Breslauer, M. 



1912. Amount of energy needed for electro-culture. In Electrician, 



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(10) BriggS, L. J., and Shantz, H. L. 



1913. The water requirement of plants. I. U. S. Dept. Agr., Bur. 



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(11) 1914. Relative water requirements of plants. In Jour. Agr. Research, 



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(12) Chree, C. 



1910. Atmospheric electricity. In Enc. Brit., vol. 6, pp. 860-870, 



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(13) Clausen. 



1911. Die Erfolge der Elektrokultur in Hedewigenkoog. In Landw. 



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(14) Dudgeon, E. C. 



[1912]. Growing crops and plants by electricity. 36 pp., illus. 

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(15) Elfving, F. 



1882. Ueber eine Wirkung des galvanischen Stromes auf wachsende 

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(16) Fitchner, E. 



1861. Agronomische Zeitung, 1861, p. 550. [Not seen. Reference 

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(17) Gassner, G. 



1907. Zur Frage der Elektrokultur. In Ber. Deut. Bot. Gesell., Bd. 

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(18) 1909. Pflanzenphysiologische Fragen der Elektrokultur. In Mitt. 



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