Dole Food Company, Inc. Monday reported second-quarter net income from ongoing operations improved 20% to $45 million, or 81 cents per share, as compared with $38 million, or 66 cents per share, for the second quarter of 1999. Cash flow from ongoing operations (EBITDA) in the second quarter of 2000 totaled $114 million compared with $95 million for the same quarter in 1999.