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.
People who study sociology are called sociologists. Auguste Comte (1789 - 1857) was first to use the term. The problems caused by the change to an industrial society, where many people moved to cities and worked in factories, was an early focus of sociology. Karl Marx, Max Weber and Ãmile Durkheim were leading figures in the study of social phenomena.