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NHK World-2022-5, 'Green' weeding robot tested in rice paddies in Japan

'Green' weeding robot tested in rice paddies in Japan

A robot designed to provide a green method of weeding rice paddies is being tested out on a farm in Nagano Prefecture, central Japan.

The one-meter long robot, developed by a Tokyo-based venture firm, is solar-powered and moves on a programmed route for up to 10 hours.

Screw rotors on the underside churn the water in the paddy, removing young weeds. Muddy water also helps to suppress weed growth by reducing sunlight.

The robot is expected to be as effective as the ducks used by some farmers to remove weeds without using chemicals.

The owner of the paddies said he hopes the robot will ease the burden of weeding. He said the advanced technology should make farming fun and may encourage more people to take it up.


'Green' weeding robot tested in rice paddies in Japan Robot "verde" para desherbar arrozales en Japón Un robot de désherbage "vert" testé dans des rizières au Japon Robot da diserbo 'verde' testato nelle risaie in Giappone 日本の水田で「緑の」除草ロボットがテストされる 일본 논에서 '친환경' 제초 로봇 테스트 실시 "Zielony" robot pielący testowany na polach ryżowych w Japonii Robô "verde" que monda as ervas daninhas é testado em arrozais no Japão "Зеленый" робот для прополки испытывается на рисовых полях в Японии 'Yeşil' ot temizleme robotu Japonya'da pirinç tarlalarında test edildi 日本在稻田中测试 "绿色 "除草机器人 日本在稻田中测试 "绿色 "除草机器人

A robot designed to provide a green method of weeding rice paddies is being tested out on a farm in Nagano Prefecture, central Japan.

The one-meter long robot, developed by a Tokyo-based venture firm, is solar-powered and moves on a programmed route for up to 10 hours.

Screw rotors on the underside churn the water in the paddy, removing young weeds. Des rotors à vis situés sur la face inférieure brassent l'eau dans le paddy, éliminant ainsi les jeunes mauvaises herbes. Os rotores de parafuso na parte inferior agitam a água no arroz, removendo as ervas daninhas jovens. Muddy water also helps to suppress weed growth by reducing sunlight. L'eau boueuse contribue également à la suppression de la croissance des mauvaises herbes en réduisant la lumière du soleil. A água lamacenta também ajuda a suprimir o crescimento de ervas daninhas, reduzindo a luz solar.

The robot is expected to be as effective as the ducks used by some farmers to remove weeds without using chemicals. Le robot devrait être aussi efficace que les canards utilisés par certains agriculteurs pour éliminer les mauvaises herbes sans utiliser de produits chimiques.

The owner of the paddies said he hopes the robot will ease the burden of weeding. O proprietário dos arrozais disse que espera que o robot alivie o fardo da monda. He said the advanced technology should make farming fun and may encourage more people to take it up. Selon lui, la technologie de pointe devrait rendre l'agriculture plus amusante et pourrait inciter davantage de personnes à se lancer dans cette activité.