Question

What is weeds how they harm plants how to control weeds?

Answer 1

$<b> Hey friend$ ^_^

Here is your answer:

⏩ Weeds are unwanted plants that grow along with the crops. Example: Wild oat, grass, chenopodium, amaranthus.

⏩ Weeds harm the plant as they spread very fast and compete with crops for water, minerals and sunlight. They spread pests and sometimes produces poisonous substances reducing the yield of the crops.

⏩ Weeds can be controlled by regular weeding that is removing weeds from time to time. Weeding can be done manually using s trowel or harrow. It can also be done by spraying weedicides or herbicides. Example: Dalapon, Siniazine, Picloram.

Hope it helps u! ✌✌✌✌✌

Answer 2

$\huge\mathbf{Answer}$

$\underline{\underline{\bold{Weeds}}}$

The unwanted plants that grows with the main crop is basically termed as Weeds.

For example- xanthium .

$\underline{\underline{\bold{Weeding}}}$

The process of removing weeds is basically termed as weeding.

$\underline{\underline{\bold{Weedicides}}}$

the chemical which are used to kill weeds is basically term as weedicides.

$<b> How they harm plants </b>$

weeds fight and compete with the main crop in order to get water , nutrients , space and light. Thus they affect the growth of the crop some weed interfere even in the harvesting and may be poisonous for animals and human beings.

$<b> How to control weeds </b>$

methods to control the growth of the weeds are :

● Tilling before sowing of crops .

● manual removal of weeds by hands.

● seed drill can also used to uproot weeds .

● weeds are also controlled by using Chemicals called weedicides . these are sprayed in the fields to kill the weeds.