The soil pH is a measure of the acidity or alkalinity in soils. aq) in a solution. In water, it normally ranges from -1 to 14, with 7 being neutral. A pH below 7 is acidic and above 7 is alkaline. Soil pH is considered a master variable in soils as it controls many chemical processes that take place.
3. Cultural Factor : It is an established fact that there is an intimate connection between our beliefs and social institutions, our values and social relationships. Values, beliefs, ideas, institutions are the basic elements of a culture.
Sociology is the systematic study of social structures and individuals. Many think of sociology as a continuous activity with a growing concern, constant adding to already developed knowledge and new experiences. The study of sociology adds to knowledge enabling us to think beyond the obvious and ask more questions. For example when asked to pass a phone we immediately know what the phone is due to the link between the word ( referring to objects) and the object however this answer does not give knowledge about the object.