Question

describe the biological method of weed control ​

Answer 1

Answer:

Weed control is the botanical component of pest control, which attempts to stop weeds, especially noxious weeds, from competing with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species.

Weed control is important in agriculture. Methods include hand cultivation with hoes, powered cultivation with cultivators, smothering with mulch, lethal wilting with high heat, burning, and chemical control with herbicides (weed killers).

Answer 2

Answer:

Methods of weed control:

Mechanical method- Involves pulling out weeds with hands or by ploughing. Weeds can also be removed using a big comb-like harrow or using a trowel.

Cultural method: Cultural methods of weed control include proper bed preparation, timely sowing of crops, intercropping and crop rotation.

Chemical method: involve the use of chemical weed killers called herbicides such as 2,4-D, atrazine, fluchloralin, and isoproturon to kill the weeds.

Biological method: involves the deliberat of insects or some other organisms which consume and specifically destroy weed plants.

• I have written all the methods.