What do farmers use to kill weeds?

Answer 1

They can use a selection of herbicides that suppress the weeds. Herbicides are a group of pesticides for killing weeds, "burning back" top growth (defoliant), and preventing weeds from germinating.

They can also mechanically remove them by hoeing or cultivation.

Answer 2

For grain, they are called "harvesters" or combine harvesters, which is a huge machine that gathers the crop (be it corn, wheat, barley, oats, etc.) and goes through the process in the machine of separating the kernels or seeds from the rest of the plant. What's left over is ejected as chaff, which can be baled for straw. In the old days, threshing machines were used to separate seeds of grain from the chaff.

Answer 3

tractors, plows, cultivators, reapers, harvesters e.t.c

Answer 4

Usually a cultivator of some kind. Sprayers are also used to control weeds through the use of herbicides.

Answer 5

herbicides