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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.

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A robot designed to provide a green method of weeding rice paddies is being tested out on a farm in Nagano Prefecture, central Japan. |automated machine|intended for||offer||environmentally friendly|approach|for|removing weeds|rice paddies|rice fields||currently||in practice|at||agricultural land||Nagano Prefecture|Nagano region|in the center of|in Japan |||||||||除草作業||水田||||||||||||

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. スクリュー||||下面|かき混ぜる|||||水田||| 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. 濁った|||||抑制する||||| 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. ||||||||||アヒル|||||||||| 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. |||||||||||||負担|| 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.