There are two kinds of fertilizers. There is organic and inorganic. Organic fertilizers are bonemeal, fishmeal, blood, and farmyard manuer. Inorganic manuer is Nitrogen, potassium o

During World War 2, the government built many factories to absorb nitrogen gas from the air and to use them in explosives. Soon after the war, these factories were used to absorb nitrogen gas and to be used as a fertilizer. This method was inexpensive and farmers were now actually making a profit. By 1985, farmers used approximately eleven million tons of nitrogen a year. This is eight times more than what farmers used in 1950.

Manure is the most important organic fertilizer. It is a mixture of solid and liquid animal wastes. Every year livestock in farms in the United States of America produce at least one billion tons of manure. A small percentage of this manure is spread on fields, but a major portion is dried, ground, and sold for use in small gardens. Another organic fertilizer is guano. Guano is the waste of either birds or bats. Sludge is a fertilizer which comes from the sewage system disposals. Other fertlizers ar

Some common words found in the essay are:
World War, , United America, nitrogen gas, nitrogen phosphorus potassium, nitrogen phosphorus, absorb nitrogen, phosphorus potassium, absorb nitrogen gas, nitrogen gas air, factories absorb nitrogen, chemical fertilizers, organic fertilizer, factories absorb, natural fertilizers, grow healthy, gas air,
Approximate Word count = 634
Approximate Pages = 3 (250 words per page double spaced)