Question

List the important preventive measures to control weeds.

Answer 1

The following are the preventive measures taken to control weeds.

Explanation:

• Mechanical weed control: It includes tillage and mowing processes. Also the weeds can be hand removed.
• Biological weed control: Growing plants that produce toxic substances that can kill the weeds or starve them from soil based nourishment. These include Cinnabar, Ragwort, Tansy flea.
• Chemical weed control: This includes the use of chemicals to stop the growth of weeds. This includes 2-4 DB, bromoxylin and others.

Learn more about weed control measures:

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Answer 2

Weed control methods

Explanation:

• Weed control is important in agricultural field.

• The methods for controlling weed propagation are-i)Physical method ii)Chemical method iii)Cultural method iv) Biological method  

• Physical method- To create hostile environment, green house effect that kills the unwanted plants,plants that produce root extract to kill weeds,Soil solarization during irrigation,spot application

• Chemical method-Sulfur application is the natural approach,aniline, carbamate is applied in soil while doing irrigation.

• Cultural method- Crop rotation technique, buried drip irrigation etc.

• Biological method- biological control agents (Goat, cow or other grazing animals,etc) or applying bio herbicides.