Enlist the different methods of weeding.
Please find below the answer:
The undesirable wild plants that grow along with the useful crop are called weeds. They compete with crop plant for sunlight, air, nutrients etc. It becomes important to remove weeds. The process of removal of weeds is called weeding.
Various methods of weeding
1) Mechanical methods- tilling, hoeing, mulching, digging, burning, manual removal of weeds.
2) Chemical methods- Various chemicals are used in controlling weeds. These chemical substances are called weedicides. They are diluted and applied through various types of spray machines. Weedicides can cause harm to the person involved in spraying and handling these chemicals. Also, they are chemical pollutants
One of the weedicides used is 2, 4 D and bromoxynil.
3) Biological methods - This is the safest and most effective method of weeding. In this method, a living organism is used to control the growth of weeds. For example insects, bacteria, fungi and various grazing animals like sheep, goats, cow etc
In biological methods, insect biocontrol (biological control through insects) is most common.
Besides these methods one should always take preventive measures to control the growth of weeds like maintenance of soil health, using weed-free seeds, farming equipment should be cleaned regularly.
Regards.