- 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.
There are many factors that can influence the size of a population. Some factors result in an increase in the population, while others can cause a decrease in population size. Factors that Increase Population Size. There are two factors that result in an increase in the size of a population.