GRAVITY FLOW IRRIGATION METHOD Russian patent published in 2015 - IPC A01G25/00 A01G13/02 A01C21/00 C05C1/00 

FIELD: chemistry.

SUBSTANCE: method includes perforating half of strips of a synthetic film; folding in two and using said strips to cover strips of the surface of an irrigated area; feeding irrigation water under the film; spreading ammonium nitrate on the perforated parts of the strips of the of the synthetic film; depositing binder on the layer of ammonium nitrate; folding the strips of the synthetic film in two; using said strips to cover the surface of the irrigated area and feeding irrigation water under the film.

EFFECT: broader functional capabilities of the method by feeding ammonium nitrate into the soil during irrigation.