Given below are statements about the harmful effects of weeds on crop plants.
(i) they interfere in harvesting.
(ii) they help crops plants to grow healthy.
(iii) they complete with crop plants for water, nutrients, space and light.
(iv) they affect plant growth.
Choose the correct combination of statements.
Weeds are unwanted plants which grow along with our crops and compete with them for water, light, nutrients, and space. They also affect plant growth and interfere in harvesting as along with crops they get mixed up.