Question

how soil gets affected by the repeated growing of crops in the same field how does use of fertilizers help the farmers​

Answer 1

a) repeated growing of crops in the soil results in decrease in soil fertility as the soil use up the nutrients of the soil .

b) as the farmers need to replenish the fertility of the soil they use chemical substances known as fertilizer . They help in maintaining and increasing the fertility content of the soil but overuse of fertilisers can harm the soil . So the fertilisers should be used in correct quantity .

Answer 2

Repeated growing of crops in the soil decreases the fertility of the soil as the crops use up the nutrients of the soil. ... Farmers replenish the soil of the depleted nutrition with the help of fertilizers or crop rotation. Fertilizers are chemical substances that are rich in a particular nutrient.