Journal of electricity, power, and gas . nergy I Volume XXXII SAN FRANCISCO, JANUARY 24, 1913 Number 4 [Copyright 1914 by Technical Publishing Company] ELECTRIC STIMULATION OF PLANT GROWTH BY W. D. PEASLEE. (This analysis of the effect of electric stimulatioi of plant growth as observed from experimentswith several methods, has resulted in data of interest and importance. The author hopes that those moreadvantageously equipped for this work will make further investigations along this line.—The Editors.) It is a well known economic principle that the tigation of electrical methods as a solution
Journal of electricity, power, and gas . nergy I Volume XXXII SAN FRANCISCO, JANUARY 24, 1913 Number 4 [Copyright 1914 by Technical Publishing Company] ELECTRIC STIMULATION OF PLANT GROWTH BY W. D. PEASLEE. (This analysis of the effect of electric stimulatioi of plant growth as observed from experimentswith several methods, has resulted in data of interest and importance. The author hopes that those moreadvantageously equipped for this work will make further investigations along this line.—The Editors.) It is a well known economic principle that the tigation of electrical methods as a solution of this stability of a country is largely dependent on the abil- problem. In offering here some of the results of the ity of the soil to support the population, or in other experiments that have been carried on since then, and words, upon its agricultural productivity. The in- the theory developed from a study of these and other creasing tendency towards the application of scien- results, it is hoped that the data presented may be of. Fig. 2. (Beets).Print of two average plants, 21 daysafter, planting. Currentv direct,.00082 in.; watts percu. ft.; 507 watthours per cu. ft.; in-crease in size, average of 100 plants,10 per cent. Comparative Illustrations of Stimulated and Unstimulated Plant Growth Fig. 3. (Cauliflower). Fig. 4. (Cabbage). Print of two average plants, 17 days Print of two average cabbage plantsafter planting Current, direct,.00009 in; .03 watts per ; watthours per cu. ft. In-crease in size, average 50 plants, 29per cent. Fertility; electrified cent; non-electrified percent. 17 days after planting. Current, di-rect, .00011 in.; .036 wattsper cu. ft.; watthours per cu. ft.;increase in size, average 100 plants, per cent. Fertility; electrified cent.; non-electrified, percent. tific methods to all agricultural work, and the estab- interest to many and of some value to those who are lish
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