Question

Give reasons for the following:

Farmers add fertilizers to their crops.

Answer 1

Fertilizers:

1. Fertilizers are chemical substances that are introduced into the soil to increase the fertility of the soil.
2. Fertilizers contain the chemicals that directly enter the soil to enrich the soil and increase the yield of crops.

Manure:

1. The manure is the organic material that is introduced into the soil to make it fertile.
2. The manure is decomposed in the soil by microorganisms which provide nutrients to the soil.
3. Thus it is necessary to replenish the soil with these nutrients.

The fertilizers, pesticides, and insecticides that chemicals used by farmers are produced in the factories.