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Soil Layers & Tree Growth

📍 Chennai Botanical Park (Semmozhi Poonga)
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STAGE 1: DORMANCY 🌺 Gulmohar (Delonix regia)

The Sleeping Seed

Snug inside the warm Chennai Red Topsoil (Layer A) rests a flat, tough Gulmohar seed. Protected by its hard brown coat, the baby embryo waits for the monsoon rains to awaken.

💤 The seed can sleep for months waiting for the magic trio: Monsoon Water, Oxygen, and Chennai Warmth!

⚡ Textbook Science Fact (Page 152)

🌱 Why Chennai Trees Need It

🍨 TEXTBOOK ACTIVITY • PAGE 153

Delicious Soil Layer Dessert!

Create your own "Soil Layer Dessert" using yummy edible ingredients from your kitchen! Here is how each sweet treat matches a real layer of the Earth:

Humus
🥥 Green Coconut Flakes & Gummy Worms
Represents organic material at the surface: fallen leaves, petals, and wriggling earthworms!
Topsoil
🍪 Crushed Oreo Cookies
Symbolises the dark, crumbly, fertile topsoil where seeds absorb water and sprout.
Subsoil
🍮 Chocolate Pudding
Depicts smooth, compact clay that holds extra water deep underground.
Bedrock
🍫 Chocolate & Butterscotch Chips
Represents the big, solid, non-porous rocks at the very bottom where trickling groundwater collects!