ENVIRONMENTALLY SUSTAINABLE RICE DRYING AND MOISTENING SYSTEM Russian patent published in 2024 - IPC A01G22/22 A01G25/00 

Abstract RU 2818130 C1

FIELD: agriculture.

SUBSTANCE: system contains rice paddies, distribution pipeline, distribution wells, discharge header, irrigation pipelines combined with drainage and discharge pipelines, water outlet facilities combined with discharge structures. System additionally contains closed kart sprinklers-discharges, drainage-moistening drains with diameter of 50 mm and outflow of 10 l/h per 1 running meter, which are located in parallel at distance of 0.7 m from each other, a crop rotation distributor, a local discharge, trapezoidal-shaped ridges, last-order distributor, filtering geotextile and plastic and/or biodegradable mulching film. Perpendicular to the closed kart sprinkler-discharge there connected are drainage-moistening drains located to it with slope of 0.0003 to depth of 0.05 m. Perpendicular to the local discharge and the last order distributor through the distribution wells a closed kart sprinkler-discharge is connected, which is laid with slope of 0.003 to the section discharge at depth of 1 m and with diameter of 560 mm. Further, on rice paddies parallel at distance of 0.4 m from each other there are ridges of trapezoidal shape with laying of sides from 1:1 to 1:0.85, width at base of 0.3 m and height of 0.25 m. Axes of symmetry of ridges and drainage-moistening drains coincide. Row intervals are covered with filtering geotextile. A plastic and/or biodegradable mulching film is laid on the beds.

EFFECT: enabling saving of irrigation water, reduction of operational works, improvement of ameliorative state of rice soils by increasing the coefficient of land use, use of resource-saving technologies of rice cultivation and creation of favorable water-air mode in root layer of soil, improvement of ecological safety of rice irrigation systems due to reduction of volumes of contaminants carried out from the rice irrigation system through drainage and discharge waters into the water intake.

1 cl, 4 dwg, 4 tbl

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RU 2 818 130 C1

Authors

Prikhodko Igor Aleksandrovich

Kolesnikova Irina Petrovna

Bandurin Mikhail Aleksandrovich

Petrov Daniil Pavlovich

Dates

2024-04-24Published

2023-06-07Filed