Decayed plant and animal matter.
Sand, soil, clay particles, and organic matter that mostly comes from decaying plant materials.
the winner is!!!!!!!!!!!!!!! Minerals and organic Materials!!!!!!!!!!!!!!!!
Soil is a mixture of weathered rock, decayed organic matter, mineral fragments, air, and water.
There are four materials in soil: weathered rock particles, organic matter, water, and air.
The formation of complex organic matter in soil is called Humus
soil
Organic matter is composed of biodegradable and natural materials such as soil, plants, and animal byproducts.
Sand, soil, clay particles, and organic matter that mostly comes from decaying plant materials.
the winner is!!!!!!!!!!!!!!! Minerals and organic Materials!!!!!!!!!!!!!!!!
Soil is a mixture of weathered rock, decayed organic matter, mineral fragments, air, and water.
There are four materials in soil: weathered rock particles, organic matter, water, and air.
less organic matter
it is generally the accumulation of nutrients leached from the top soil and also few amount of organic matter
Minerals,Bacteria and Organic Materials, Air and Moisture.The "perfect soil" is made up of:45% mineral matter25% water25% air5% organic matter
The formation of complex organic matter in soil is called Humus
Decaying organic matter in the soil is called humus. When it is added to the soil deliberately, it is called compost.
It increases the fertility of the soil.