Block 4 Lesson 3

What are fertilizers?

• Natural substances that help plants grow

• Human-made chemicals that help in the growth of plants

• Only animal waste used for farming

• Water used for irrigation

What is a problem caused by overusing fertilizers?

• Pollution of soil and waterbodies

• Increased plant growth

• More natural compost

• Better crop yields

What do many farmers practice to avoid pollution?

• Using chemical pesticides

• Planting only vegetables

• Organic farming

• Using more fertilizers

What is natural compost made from?

• Water and soil

• Chemical fertilizers

• Plant and animal wastes

• Only animal waste

What is one benefit of practicing organic farming?

• It reduces pollution

• It produces less food

• It requires more water

• It uses only chemical fertilizers