a. What are weedicides?
b. Name one weedicide.
c. What are the harmgul effects of weeds in the crop field?
Answers
Explanation:
1,Weedicides are the chemicals which are sprayed over the fields to get rid of weeds. ... Weeds are those plants which grouws in between the crops. Weedicides are the chemicals which are sprayed over field to get rid of weeds.
2,Weedicides are the chemicals which are sprayed over field to get rid of weeds. They will not show any effect on crop plants. Two popularly used weedicides are 2,4-D Ethyl ester, Neem extract, Glyphosate etc.
3.Weeds reduce farm and forest productivity, they crops.
question no 1
Weedicides are the chemicals which are sprayed over the fields to get rid of weeds. ... Weeds are those plants which grouws in between the crops. Weedicides are the chemicals which are sprayed over field to get rid of weeds.
question no 2
Naphathelene acetic acid.
Atrazine.
Glyphospate SL.
Metribuzin WP.
question no 3
They interfere in harvesting.
They compete with crop plants for water, nutrients, space and light.
They affect plant growth.
Presence of weeds increases the cost of agriculture and hinders the progress of work.
It increases the irrigation requirement.