V 28 … /7 E/ec/rvc VacuL/m C/<z&^£/~ > v is used elect,ler pro. 29 The Influence of Electricity on Plant 3rowth. The influence of electricity on plants was brought to the at-tention of Prof. Lemstrot: of Helsingfors when he noticed the luxuriargrowth of plant life in the polar regions. If plants…
Electricity in agriculture · Agricultural machinery · Electric apparatus and appliances · Theses
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