Question

3) What are weedicides? Name one weedicide. What are the harmful effects
of weeds in the crop field?​

Answer 1

Answer:

the substance which is used to cantrol the growth of weeds is called weedicides.

ex-2,4-D(2,4-dichlorophenoxy acetic acid)

Weeds are harmful in many ways. The damages caused by them are as under:

1. Reduction in crop yield:- Weeds compete with crops for water, nutrients and light. Being hardy and vigorous in growth habit, they grow faster then crops and consume large amount of water and nutrients, thus causing heavy losses in yields.

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Answer 2

chemical which we used for removal of weeds is called Weedicide

ex-glyphosate

weeds reduce farm and forest Productivity, they invade crops, smoother pastures and in some cases can harm livestocks. they Agreesively complete for water, nutrient and sunlight, resulting in reducereduced crops yield and poor crop quality.