write down three methods of controlling weeds
Answers
Answer:
BIOLOGICAL METHODS OF WEED CONTROL. Bioagent like insects, pathogen etc., and other animals are used to control weeds. Insect and pathogens infest weeds and they either reduce growth or kill weeds. Biological control method can reduce weeds but it is not possible to eradicate weeds.
Explanation:
- Let sleeping weeds lie. Kill weeds at their roots but leave the soil—and dormant weed seeds—largely undisturbed. ...
- Mulch, mulch, mulch. ...
- Weed when the weeding's good. ...
- Lop off their heads. ...
- Mind the gaps between plants. ...
- Water the plants you want, not the weeds you've got.
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1)Preventative Weed Control
Preventative weed control refers to any control method that aims to prevent weeds from being established in a cultivated crop, a pasture, or a greenhouse. Examples of preventative weed control would be using certified weed free seed, only transporting hay that is weed free, making sure farm equipment is cleaned before moving from one location to another, and screening irrigation water to prevent weed seeds from traveling along irrigation ditches.
2)Cultural
Cultural weed control refers to any technique that involves maintaining field conditions such that weeds are less likely to become established and/or increase in number. Examples of cultural weed control would be crop rotation, avoiding overgrazing of pastures or rangeland, using well-adapted competitive forage species, and maintaining good soil fertility
3)Mechanical
Mechanical weed control refers to any technique that involves the use of farm equipment to control weeds. The two mechanical control techniques most often used are tillage and mowing.