To investigate the effect of technological change upon farm labor use, a stratified random sample of 696 farm workers from a population of 12,215 in Kern County, California, provided a basis for analysis. Some major findings were: (1) The high peak of seasonal labor use has been eliminated, (2) The need for migratory labor is decreasing, (3) Two-thirds of the workers in seasonal employment are women or children, (4) Spanish-American workers constitute the best basis for a stable local labor supply for any type of seasonal work, (5) Anglo workers are handicapped by feelings of status which have become attached to some types of farm work, (6) General farm workers are becoming specialized, (7) A local labor force is now the major element in the labor supply, (8) The general farm worker has a superior economic position to the seasonal workers, and (9) The greatest impediment to readjustment of the displaced farm workers within the agricultural economy are the status feelings and ethnic prejudices associated with some types of farm jobs. Constructive action by growers and crew leaders and by employment and counseling agencies was recommended to alleviate immediate problems. A related document in this series is available as VT 006 537. (DM)