Soil and its Importance .

Soil and its Importance .

• 1.
  Amjad Khan Afridi Lecturer, Departmentof Health & Biological Sciences Abasyn University Peshawar Lecture # 01 Soil and its Importance
• 2.
  Soil Soil manly madeup of: Mixture of minerals Small or big rock particles Clay Water Organic matter
• 3.
  Soil All type ofthe plants and trees are grow on this layer of the earth Plants are the main source of food for living things .
• 4.
  Components of soil Organicmatters Organic matter consists of the remains of dead and decaying plants and animals.
• 6.
  Components of soil Airand Water
• 7.
  Components of soil Microorganismsand small animals Bacteria Fungi Algae Protozoa
• 8.
  Important function ofsoil Soil stores minerals Soil contains various minerals that act as nutrients for plants and microorganisms Store of water. Soil consists of particles and pores and these pores can be filled with air and water These pores varies in different soil Those pores filtered and purified the surface water after entered in the ground. Soil works as a physical strainer (filter), a biochemical renovator and biological recycler for all the wastes water passing through it.
• 9.
  Important function ofsoil Soil acts as a Habitat for many types of living organisms  soil is the habitat of both Macro and Microorganisms. Like, worms, rodents and insects.  Microorganisms include; Bacteria, Fungi, Algae & Protozoa etc. These all are very important
• 10.
  Soil is themedium for plant growth Soil is the medium that fulfills all the requirements of a plant for its growth. Give mechanical support to the plant Plants stand erect in the soil by its routs. Supply nutrients
• 11.
  • Some soil organisms,like earthworms, mix the soil and make spaces in it for air and water. • Other soil organisms make humus, which makes soil fertile. Importance of Living organisms in Soil
• 13.
  Soil Inorganic minerals Organic minerals •Magnesium • Sodium • Potassium • Iron • Aluminum • Sulphur • Chlorine Organic minerals are derived from the remains of decaying plants and animals
• 14.
  Thank You 19th September, 2023