Sources of food

Soil condition
1. Fertilisers
  1. Adds nutrients to the soil,plants grow better
2. PH
  1. Test
    1. Litmus paper
      1. Acidic-blue to red Alkaline-red to blue
    2. Universal indicator
    3. Data logger
  2. Indicates acidic or alkaline
Slash and burn
1. A method to clear the land and is cheap.
Protection of crops
1. Biologial control
  1. Natural method e.g. intrduce natural predator
2. chemical control
  1. Pesticides / Herbicides (kill pests) (kill weed)
Improve Food Production
1. Plant hormones
  1. Improve growth and ripening of fruits
2. Improve plant and animal varieties
3. Intensive production methods
  1. e.g milking farm
  2. e.g Fish farm tanks
4. High tech methods
  1. e.g Vertical farming
  2. e.g hydroponics
  3. e.g aeroponics
Plants
1. Carry out photosynthesis to make food
  1. Raw material
    1. Carbon dioxide water
  2. End products
    1. Sugar
  3. Conditions
    1. Sunlight Chlorophyll

Resource summary

	Created by Shaz 1 about 8 years ago