Source of food

Soil Conditions
1. Fertiliser
  1. Add nutrients to the soil
    1. Plant grow faster
  2. Negative impact
    1. Negative impact on aquatic life
    2. Algae bloom
2. Ph
  1. test
    1. Neutral
      1. 7
    2. acid
      1. less than 7
    3. alkaline
      1. more than 7
Proctection of crop
1. SLASH AND BURN
  1. loss of natural habitat
  2. Cause haze and air pollution
  3. Cheap and easy method
2. Biological control
  1. Inbalance of eco system
  2. Environmentally friendly
Carry out photosynsthesis to make food
1. Raw material
  1. Water
  2. Carbon Dioxide
2. Condition
  1. Sunlight
  2. Chlorophyll
3. End product
  1. Sugar
    1. excess converted to starch
Chemical control
1. Pesticides and herbicides
  1. Soil contamination
  2. water contamination
  3. Loss of food chains

Resumen del Recurso

	Creado por Flame s hace alrededor de 8 años