Early Slavic invention which revolutionized the world

[Yaglakar]

Heavy plow is a Chinese invention.

[ЛыSSый]

Heavy plow is a Chinese invention.

proves. we need proves slavs took it from chineses.

[Bosniensis]

1200 B.C Ancient Egypt

Probably Slav is on the picture

[Peterski]

Heavy plow is a Chinese invention.

Maybe independently, but surely it was not imported from China to Europe.

[Nurzat]

Likely invented by South Slavs soon after they settled the Balkans & started farming its difficult soils.

while they were still Slavs, before heavy mixing with Balkanic natives (Latin and Illyrian speakers)

[Mikula]

Later in 1849, Veverka cousins improved the plough to be able to cut and turning the soil at once.
As a Pole you will like that they named the improve plough ruchadlo