From VOA Learning English, this is the Agriculture Report.Farmers in the United States are experiencing a shortage of people to work their fields.The workers they do have are mostly from Latin America but enter the country with false documents.Farmers say that without immigration reform, both problems will continue.Imperial Valley is an agricultural area near the border of the western state of California and Mexico.Temperatures there are always above 38 degrees Celsius in the summer month,as a result, not much grows in the Imperial Valley at this time of year, but in the winter the fields are filled with lettuce and celery.And in the spring, farmers grow foods like cantaloupes and watermelons.There is work to do in the fields in the summer, Francisco Saucedo uses farm equipment to prepare the land for planting in the autumn.He lives in Mexico and wakes up in the middle of the night everyday, so he can avoid long lines at the border crossing.Mr Saucedo says that if he did this kind of work in Mixico, he would earn about $6 a day. But in the United States, he makes as much as $90 a day.