what is soil science
Soil is a mixture of weathered rocks, air, water, organic matter and living organisms.
It is a medium in which plants grow and from which they derive their nutrients and anchorage.
Importance of soil
It is a medium with in which plants grow.
It supplies mineral nutrients to plants.
It provides water to the plant.
It is a medium for microbial activities.
It provided air for respiration of plant roots.
It is a medium for anchorage/support of plant roots.
Soil filters water as it passes through it, thus protects the quality of water.
Soil absorbs and decomposes waste material, thus keeping our environment clean.
Source of minerals.
Soil acts as a foundation for structures like roads buildings and airports.