Show Farms comprising more thin than million acres of cropland 78 cropland 78 par pr parcent I cent of the total cropland in the United States were States were protected and Im intro ro ed by the conservation mea SUI sores of the AAA farm program In 1939 Some of the major con projects included 41 mil million million million lion acres of ne s seeding of legumes and glasses grasses 26 pillion million acres seeded to gre n manure nd ind clover crops and the application of cf almost five million nUllon tons of ot lime |