FIELD: agriculture.
SUBSTANCE: in the method the electromagnetic light flux is supplied from the emitter. In this case, the light flux or its part is polarised, mixed with non-polarised, if any, and reflect in the direction of plants, for example, during the growing season of plants. The incident light flux is directed in part or in full in the area of Brewster angle. In the light flux or its part the polarisation density is periodically changed from the minimum, for example, zero, to maximum. The period of the density changing of polarised effluxion is established depending, for example, on the type of plant. When the intensity of the reflected light is not higher than the threshold, the refractive index in it of the reflector film is changed smoothly or discretely, for example, within the selected extended area of Brewster angle. The incident light flux is previously diffused with, for example, the same reflector or the light source.
EFFECT: method enables to improve the vegetation and viability of plants, to reduce the area of sowing seeds.
6 cl, 2 dwg
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Authors
Dates
2012-12-20—Published
2011-02-28—Filed