Question

12. The plants of same kind grown at a place is referred to as (A) garden (B) agriculture (C) crop 13.Fertilisers are used to improve crop yield because they (A) are rich in inorganic nutrients (B) are rich in organic nutrients. (C) are rich in organic and inorganic nutrients. (D) all of the above 14. Continuous growing of crops make the soil poorer and less-fertile, we can replenish soil by following method (A) using manure (B) using fertilizers (C) by crop-rotation 15. Removal of weeds is necessary for plant growth because (A) weeds compete with crop for nutrition (C) weeds may be poisonous (B) weeds interfere in harvesting (D) all of the above​

Answer 1

Answer:

12. c) crop

13. a) inorganic

14. c) rotaion (actually it shoud be all of the above)

15. a) compete for nutrition

Explanation:

Answer 2

Answer:

i have answers in explanation

Explanation:

c)crop

a)inorganic

c)crop

a)complete of