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Electro-culture: Stimulating plant growth with electricity (research thread)
Lapis Lazuli
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User ID: 29837
04-24-2011 07:22 PM

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Post: #16
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
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Joshua Flynn  Wrote: (04-24-2011 07:18 PM)
Are there any associated dangers?

darn good question. I don't really know
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Lapis Lazuli
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04-24-2011 07:25 PM

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Post: #17
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Research Article
Field experiments in electro-culture1


V. H. Blackmana1

a1 Department of Plant Physiology and Pathology, Imperial College of Science and Technology, London.

Four years' additional experimental work on the application of a high tension discharge to the growth of field crops is described. Ten experiments with spring-sown oats and barley, two with winter-sown wheat, one with spring-sown wheat, and four with clover-hay have now been described.

The discharge was usually given at the rate of 0·5 to 1·0 milliamp. per acre from thin insulated wires stretched above the crop at a height of about 7 ft. and charged to a voltage of 40,000 to 80,000 (crest value). The discharge was usually given for 6 hours a day in two periods, 3 hours in the morning and 3 hours in the afternoon.

If the two experiments with spring-sown oats described in previous papers are included and the experiment of 1919 with spring-sown wheat (which yielded only 8 bushels to the acre) is excluded a series of 18 results is available spread over a period of 6 years. Of these 18 field experiments with various crops, 14 gave positive results in favour of the electrified plots, while 4 showed negative results, i.e. decreased yields compared with the controls. Of the 14 positive results only 3 show increases of less than 10 per cent, while 9 show increases of 30 per cent, and over, some reaching 50 per cent, and over. Of the 4 negative none shows a decrease of as much as 10 per cent.

Of the 12 experiments with spring-sown cereals 10 were positive and 2 negative. Of the positive results only 2 show increases of less than 10 per cent, while 6 show increases of 30 per cent, to 57 per cent.; on the other hand both the negative results are quite small, being 6 per cent. and 9 per cent. respectively.

The effect of electrification in increasing the yield of spring-grown oats and barley has thus been demonstrated. The mean increase in yield for such crops was 22 per cent.

A beneficial effect of the discharge on clover-hay is probable while the effect on winter-sown wheat is still uncertain.

Our knowledge of the proper conditions under which the discharge should be given is still so meagre that there is no reason to believe that the increased yields here described are the maximum obtainable as a result of electrification.

The mode of action of the current in producing increased growth and yield is still obscure. In several cases the electrified field crops showed a deeper green tint than that of the controls, and work already published has shown that in the case of the coleoptile (plumule sheath) of barley minute electric currents are able to bring about an increase in the rate of growth.

The effect of the discharge is of the nature of a stimulus. The additional energy available from the current is too small to have any direct effect since it is only about 1/1000th, or less, of the energy which the plant obtains from sunlight.

There is no evidence that gaseous products of the discharge play any part in the stimulation of growth. The additional supply of nitrogen brought to the soil from oxides of nitrogen produced as a result of electrification must be exceedingly small.

(Received November 23 1923)

Footnotes

1 The experimental results here described have been incorporated in the reports of the Electro-Culture Committee of the Ministry of Agriculture arid Fisheries, and a brief statement of the results has appeared in the Journal of the Ministry of Agriculture, xxix. 792, 1922.
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Lapis Lazuli
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04-24-2011 07:27 PM

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Post: #18
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Electroculture of tomato plants in a commercial hydroponics greenhouse

Frank M. Yamaguchi and Albert P. Krueger

Abstract
An experiment was conducted to evaluate the effects of air ion treatment on tomato plants (Lycopersicon esculentum P. Miller) in terms of: (1) growth and health; (2) fruit yield and quality; and (3) economic factors. The plants were grown by a commercial greenhouse (G.H.) grower employing soilless culture techniques. An air ion generator and emitters were installed in such fashion that 864 plants were exposed to a high negative air ion density flux, while 576 plants grew in an area which received relatively few ions. Normal operational procedures, with certain modifications, were employed for plant culture, feed/irrigation, and environmental control.

Plants responded vigouously to air ion stimulation, which equated to shortening of the seeding-to-harvest time period by two weeks as measured by vine growth, main stem height, time to blossoming, fruit set, and fruit yield. Throughout the first four-month growth period plant growth was good and no serious physiological disorders nor insect damage were observed. During the sixth harvest week a virus infection appeared in both control and ion-treated plants, but was not of sufficient severity to ruin the experimnent. Foliage and fruit samples were subjected to laboratory analyses.

In general, the stimulated plants contained higher percentages of mineral elements than those of the controls. Fruit from ion-treated plants has more ascorbic and citric acid than that from control plants. Although there were no wide differences in fruit texture or flavor, a taste panel verdict indicated that fruit from the stimulated plants tasted better.

An unexpected benefit was marked decrease in white fly infestation. All these factors combined with the low cost of air-ion treatment suggest that this modality offers potential for greenhouse cultivation of garden crops.
(This post was last modified: 04-24-2011 07:28 PM by Lapis Lazuli.) Quote this message in a reply
LoP Guest
lop guest
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04-24-2011 07:28 PM

 



Post: #19
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
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Lapis Lazuli
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04-24-2011 08:00 PM

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Post: #20
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
LoP Guest  Wrote: (04-24-2011 07:28 PM)
There's tons of buried work out there.

Good luck Anon

http://www.rexresearch.com/agro2/0agro1.htm

http://www.rexresearch.com/elcultpat/elcultpat.htm

thanks, good links
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Lapis Lazuli
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04-24-2011 08:04 PM

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Post: #21
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Various Effects of Pulsed and Static Magnetic Fields on the Development of Castanea Sativa Mill. In Tissue Culture

1993, Vol. 12, No. 2 , Pages 165-177

R. Ruzcariccar;1, I. Jerman2, A. Jegliccar3 and D. Fefer3
1Bioteh d.o.o., Izcaranska 2a, 61108, Ljubljana, Slovenia
2IBEMA Institute for Bioelectromagnetics and Environment, GradaScarka 10, 61000, Ljubljana, Slovenia
3Faculty for Electrical and Computer Engineering, TriaScarka 25, 61000, Ljubljana, Slovenia


The growth of shoots and roots (Castanea sativa Mill.) in tissue culture stimulated with a weak pulsed electromagnetic field (EMF) (250 ± 5 μT peak intensity), frequency 2, 12, and 24 Hz and different times of stimulation as well as stimulated with samarium-cobalt round magnets with Br = 1060 mT and Hc = 760 kA/m 24 hr/day was investigated. The experiments lasted 28 days for the growth of shoots and 21 days for rooting.

Stimulation with pulsed EMF 1 hr/day had the most stimulative effects. Namely, a field of 24 Hz stimulated growth and 2 Hz the number of axillary buds. Stimulation for 2 hr/day had no effects, 24 hr/day was slightly inhibitory. In the field of 2 Hz, rooting was most effectively stimulated in October (for 24 hr/day every other day). The static magnetic field had no pronounced effects on the growth of shoots; the south pole stimulated the growth more than the north pole.


Read More: http://informahealthcare.com/doi/abs/10....9309012870
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Lapis Lazuli
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04-24-2011 08:06 PM

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Post: #22
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
The key to one guy's method seems to be using a very high voltage (10kV) and tiny current (25-50mA). an electrician, he's contstructed a small one using a Doorbell transformer and a rheostat
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LoP Guest
lop guest
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04-24-2011 08:14 PM

 



Post: #23
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Lapis Lazuli  Wrote: (04-24-2011 08:00 PM)
LoP Guest  Wrote: (04-24-2011 07:28 PM)
There's tons of buried work out there.

Good luck Anon

http://www.rexresearch.com/agro2/0agro1.htm

http://www.rexresearch.com/elcultpat/elcultpat.htm

thanks, good links

Paramagnetic rock powders and plants is another topic worth reading into:

http://www.geelongsustainability.org.au/...netism.pdf

http://www.fcla.edu/FlaEnt/fe90p585.pdf
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Nickobert
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04-25-2011 08:05 AM

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Post: #24
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Hi all, my name is Nick and this is an area I've been working on for a couple years. I've eradicated rusts from grapes, mildews from blackberries and white fly infestations in cilantro. Scratch the surface and it will blow your mind.

Here's a short demonstration of plants and electric fields, I hope it provokes some thinking outside the box.

http://www.youtube.com/watch?v=201XO2YGFEQ

I won't bore everyone with my grand theory of explanation because if you experiment you're going to probably get one of your own, however remember this very important fact: you are tinkering with a natural circuit and ground is truly ground. Ground is part of the circuit, and it is made of earth and it is conductive. Failure to include this portion of the natural circuit will skew results and damage plants.

If you apply high voltages from above while your plants soil is dry you will damage your plants. Additionally, soil pH affects conductivity.

Finally, current polarity determines whether you want to increase growth or inhibit/fight disease. The video shows a devise that kills rusts, mildews and molds electrically. No chemicals all natural.

Nick

Oh also, if your doing hydroponics be sure to ground the water to earth. Those plastic pails are excellent insulates.

Happy experimenting!
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Lapis Lazuli
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User ID: 30250
04-25-2011 04:28 PM

Posts: 10,703



Post: #25
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Nickobert  Wrote: (04-25-2011 08:05 AM)
Hi all, my name is Nick and this is an area I've been working on for a couple years. I've eradicated rusts from grapes, mildews from blackberries and white fly infestations in cilantro. Scratch the surface and it will blow your mind.

Here's a short demonstration of plants and electric fields, I hope it provokes some thinking outside the box.

http://www.youtube.com/watch?v=201XO2YGFEQ

I won't bore everyone with my grand theory of explanation because if you experiment you're going to probably get one of your own, however remember this very important fact: you are tinkering with a natural circuit and ground is truly ground. Ground is part of the circuit, and it is made of earth and it is conductive. Failure to include this portion of the natural circuit will skew results and damage plants.

If you apply high voltages from above while your plants soil is dry you will damage your plants. Additionally, soil pH affects conductivity.

Finally, current polarity determines whether you want to increase growth or inhibit/fight disease. The video shows a devise that kills rusts, mildews and molds electrically. No chemicals all natural.

Nick

Oh also, if your doing hydroponics be sure to ground the water to earth. Those plastic pails are excellent insulates.

Happy experimenting!

woa! That is really cool. Did you invent that device? What exactly does it do?

Would love to hear more about it!
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Lapis Lazuli
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04-25-2011 04:28 PM

Posts: 10,703



Post: #26
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Science & Tech | Previous | Next
Electricity to induce plant growth


THIN GLASS slabs (12x15 cm) were glued together and provisions were made for electrical connections. Platinum wires were made to run beneath the tank between the glass slabs. The circuit was completed by adding water to the tank.

It is a new method of pretreatment of legume seeds. The legumes such as green gram and pea seeds were selected for the experiment due to its fast growth and also its economic value. About 100 seeds were presoaked in water for 24 hours to soften the cells. They were then placed in the tank containing water. The cathode and anode were then connected. 240V alternate current was converted to 27V direct current and the final treatment was 10m Amp current for 1 hour.

The seeds were then removed and tested for germination in soil. A control of non-treated seeds was placed simultaneously. The results found were interesting. Electrically treated seeds showed 100 per cent germination where as in control 95 per cent was observed. Further the amount of growth was 3 times as much as the control was. When tested for disease resistance, the treated seeds showed higher resistance. In treated seeds maximum root (5 cm) and shoot length (9 cm) was observed than in control room (2 cm) and shoot (2 cm) after 10 days of germination.

S.Brammasastri,

P.Shanmughavel & K. Francis

Department of Botany

Bharathiar University

Coimbatore 641 046
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Lapis Lazuli
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04-25-2011 04:31 PM

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Post: #27
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Nickobert  Wrote: (04-25-2011 08:05 AM)
Finally, current polarity determines whether you want to increase growth or inhibit/fight disease. The video shows a devise that kills rusts, mildews and molds electrically. No chemicals all natural.

negative polarity increases growth? Positive polarity fights diseases? Do I have that correct?
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GmFmAgnostic
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04-25-2011 04:43 PM

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Post: #28
RE: Electro-culture: Stimulating plant growth with electricity (research thread)
Negative currents. Positive currents. There is just current. The separation of a negative line and a positive line is the resistor (load).
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