- Of all the major fertilizer nutrients, nitrogen is the main nutrient affecting soil pH, and soils can become more acidic or more alkaline depending on the type of nitrogen fertilizer used.
Some of the most important factors of social change are as under: Certain geographic changes sometimes produce great social change. Climate, storms, social erosion, earthquakes, floods, droughts etc., definitely affect social life and induce social change. Human life is closely bound up with the geographical conditions of the earth.
Family as a social institution has directly or indirectly got. affected due to the rapid social changes. Technology which is. considered as the basic factor of social change has made. important changes in the family structure and organization. Nuclear family has replaced joint family system. Schools and.