The line graph illustrates changes in the production level of four main agricultural product in Mitchford city from 1970-2000.
Overall, cotton experienced the most dramatic changes over the period, reached a peak in 1990 and then slumped in 2000. By contrast, sugar gradually upward, while corn and wheat are slightly fluctuation.
In 1970, conton production stood at 20,000 dollar. After remain stable in 1980, it hit the highest of 90 thousand dollars and significantly fell to the same point at beginning in 2000. Meanwhile, sugar production steadily rose from about 25,000 dollar in 1970 to roughly 45,000 dollar in 1990. Then, drop slightly to just over 40 thousand dollars at the end of period
On the other hand, the production of both corn and wheat also have minor change. Although, wheat production almost remain unchange from around 48 thousand dollars in 1970 – 1980, the trend then slightly dropped to approximately 45,000 dollars in 2000. Likewise, corn production was increased from 30 thounsand dollars to just under 40 thounsand dollars, after some fluctuation the figure end at about 42,000 dollars in 2000.