Soil biology is a science that studies soil organisms, their role and function in soil, and in other words, it is soil biology. But the new definition that has been presented today is the examination and identification of living organisms that live in the soil, as well as the examination ... ادامه مطلب

Soil is made up of fine and coarse mineral particles. The term soil texture refers to the relative distribution of mineral particles of different sizes (clay, silt, sand).Sand: They have a size of about 2000 to 5 microns and they are usually made of quartz, feldspar and mica.Silt: They have ... ادامه مطلب

Definition of soil:   Soil is a thin layer of soft natural material on the surface of the earth. which is exposed to many environmental factors. This thin coating is a porous material with many different characteristics. The solid part is the minerals obtained from weathered boulders or transferred from ... ادامه مطلب