SOURCES OF FOODS

Hanny Puteriii
Mind Map by Hanny Puteriii, updated more than 1 year ago
Hanny Puteriii
Created by Hanny Puteriii almost 4 years ago
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Hanny Puteri and Germaine
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SOURCES OF FOODS
1 Slash-and-burn
1.1 A method to clear land
1.1.1 cause haze and air pollution
1.1.2 Eye irritation and breathing problem
1.1.3 Forest Fires
1.1.4 Loss of natural habitats
2 soil condition
2.1 fertilisers
2.1.1 contamination of water source
2.1.2 Negative impact on aquatic life
2.1.3 Algae bloom- covers water surface, plant and animals in the water dies
2.2 PH Test
2.2.1 Litmus paper
2.2.2 Data Logger
2.2.3 universal indicator
2.2.4 PH Meter
3 protection of crops
3.1 pesticides
3.2 Herbicides
3.3 biological controls
3.3.1 Environmentally-friendly
3.3.1.1 Introduce natural predators
4 Plants
4.1 Carry out photosynthesis to make food
4.2 Raw materials
4.2.1 carbon dioxide and water
4.3 End products
4.3.1 sugar
4.4 Conditions
4.4.1 Sunlight and cholophyll
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