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9th grade students made plows to weed and fertilize
It took more than 1 year to incubate ideas and then implement experiments, many times changed the design, electric plows to weed, fertilize on porous soil were completed by groups of Hoai Phuong and Tuan Kiet.

Pham Thi Hoai Phuong and Le Tuan Kiet with an electric plow for weeding and fertilizing (Photo: Nguyen Linh / TTXVN)

Pham Thi Hoai Phuong and Le Tuan Kiet, students of class 9A1, My Hiep Secondary School (Phu My District, Binh Dinh Province) have successfully made a lawn plow and fertilize machine with a simple and easy-to-use structure, environmentally friendly, 5 times more productive than manual labor.

Sharing about this invention, Pham Thi Hoai Phuong said that she came from a farmer, so the work of plowing the soil and cultivating corn and bean crops was guided by parents from a young age.

Directly instructing Hoai Phuong to implement the project, teacher Le Tuan Phung said that the electric motor plow has a simple structure, easy to disassemble, compact size, easy to use, easy to move into narrow weed beds. The machine is assembled with a frame with two wheels, an electric battery and two plowshares.

The principle of operation of the machine is mainly in the pulling part (using electric bicycle motor) mounted on an iron frame and a plow blade set.

When operating, the pulling power of the 48V-500W motor will pull the plow depth of depending on the adjustment of the user, can weed, fertilize, yield 5 times higher than a handmade person.

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