Agriculture is the basic need of humans.

• Photosynthesis is process to make food and oxygen by using carbondioxide, water and sunlight.
• Nitrogen, Potassium and Phosphorus are needed by plants to grow, make proteins and to carry transportation across the plant.
• Moreover, your 3 points are related to economic growth in Nigeria 🇳🇬; securing food, providing employment and providing food to people.
• Best of luck for the contest