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.
Also see Anthropology. Sociologists study the origin, development, activities and behavior of human groups and societies, and the social institutions to which they belong. They also study the influence of group behavior on individuals and the effect of social traits such as gender, ethnicity, age, and race.