Farmers sign multi-million dollar deals to do business with big corporations. It requires a major investment from farmers, who hope the investment will pay off.
The merger of the two companies is projected to close by the end of 2017 and is awaiting anti-trust approval.
Large companies can influence Congress, and some fear that the fewer companies there are in a given sector, the more likely they are to get their way.
Supporters and opponents of several proposed mergers among agricultural seed and chemical companies are making their case to lawmakers in Washington.
Dairy Farmers of America has agreed to pay a $158 million settlement to avoid going to trial, but farmers and critics aren't satisfied.