The population of the planet increased exponentially in the 20th century. As medical technology and industry increased the lifespans and surviveability of people around the world, the need for food increased exponentially as well. New techniques for food production really began between 1900 and 1920 with experimental work to breed disease resistant plants and animals. This allowed farmers to have more animals in a smaller place without having a large percentage of them die from the resulting unsanitary conditions.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC