What are weed. How are they harmful to us? Explain the ways to control them.
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Weeds are the unwanted plants that grows in field . They are very harmful to us as they take up all the nutrients from the essential plants that we sow.
We can control them by spraying weedicides and harvesting weeds in time
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weeds are unwanted and undesirable plants which destroy the agricultural production in the farm ...
eg:amaranthus,etc..
Weed invasions change the natural diversity and balance of ecological communities. These changes threaten the survival of many plants and animals as the weeds compete with native plants for space, nutrients and sunlight. Throughout Australia, weedsare spreading faster than they can be controlled.
they can be controlled by
spraying weedicides
by biological insects etc ..
eg:amaranthus,etc..
Weed invasions change the natural diversity and balance of ecological communities. These changes threaten the survival of many plants and animals as the weeds compete with native plants for space, nutrients and sunlight. Throughout Australia, weedsare spreading faster than they can be controlled.
they can be controlled by
spraying weedicides
by biological insects etc ..
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