sources of food new

Nur Khairunnisa Khairullah
Mind Map by Nur Khairunnisa Khairullah, updated more than 1 year ago
Nur Khairunnisa Khairullah
Created by Nur Khairunnisa Khairullah almost 4 years ago
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khai and kat
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sources of food new
1 Improve food production
1.1 1. Plant hormone - Improve growth and ripening of fruits.
1.2 2. Improve plant and animal varieties
1.3 3. Intensive production methods: - fish farm tanks -milking farm
1.4 4. High-tech methods -vertical farming -hydroponics -aeroponics
2 Soil Contamination
2.1 Fertilisers
2.1.1 + add soils to the soil, plants grow better
2.1.2 - contamination of water sources - negative impact on aquatic plants -algae bloom(eutrophication) =algae covers water surface, plants and animals in the water dies
2.2 pH - Indicates acidic or alkaline
2.2.1 Tests - Litmus paper - Acidic, Alkaline, Neutral
2.3 Data logger - Acidic <7 - Alkaline >7 - Neutral 7
3 Slash and Burn
3.1 -A method to clear land +cheap and easy method
3.2 -Cause haze and air pollution -Soil erosion -Loss of natural habitats lead to extinction of wild life
4 Protection Of Crops
4.1 Chemical Method (Herbicides and Pesticides) - Soil Contamination -Water Contamination -Chemicals enter the food chains
4.2 Biological Method (Natural Method) +environmental friendly -Inbalance of ecosystem
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