In fruit production, apples are first; in total production, apples follow two field crops, tobacco and peanuts. Virginia ranks fourth in apple production in the United States. The chief apple producing counties are Frederick, Clarke, Augusta and Nelson and the types of apples produced are York Imperial, Winesap, Stayman, Delicious, Grimes Golden, Albemarle Pippin or Yellow Newton, Ben Davis and Gano, Black Twig, Golden Delicious, Rome Beauty and Jonathan. Peaches are grown in abundance in Nelson, Albemarle, Frederick, Roanoke, Rockingham and Botetourt Counties, making Virginia tenth in peach production in the United States. Pears and grapes are grown on a small scale. In addition to the full-time agricultural employment, there is much seasonal agricultural employment, particularly for fruit and truck farming. Thus, although agricultural employment has been surpassed by employment in government, in manufacturing occupations and in wholesale and retail trade, the products grown and the livestock raised are numerous and excellent in quality. Thus, Virginia with approximately 135,000 farms, contributes significantly to the agricultural economy of the United States. In addition to employers engaged in government employment, manufacturing and agriculture, additional groups of employees in Virginia are engaged in a series of diversified economic activities. Among such occupations are those concerned with trade, services, public utilities, construction, finance, mining and forestry and fishing. Employment in Wholesale and Retail Trade--Employment in wholesale and retail trade has increased in Virginia to such an extent that it ranks third, following government employment and manufacturing employment, in non-agricultural employment. Approximately 22% of the civilian non-agricultural employees are engaged in trade. The shift from an agricultural to an industrial economy has resulted in a greater demand for wholesale and retail goods. During the decade of the 1950's wholesale and retail trade employment increased its relative share of total state employment by approximately one-third. The greatest number of persons in retail trade work in the food trades and in general merchandising. Employment in Services--Services industries are located throughout the state; approximately 11% of the civilian non-agricultural employees are engaged in such activity. This category includes domestic help and other forms of personalized aid.