Tomato, Cherry. Grow 1 to 4 plants per person. Space plants 3 feet apart in rows 35 to 45 inches apart.
Tomato, Cooking. Grow 3 to 6 plants of each variety; this will yield 8 to 10 quarts. Space plants 42 inches apart in rows 40 to 50 inches apart.
Tomato, Slicing. Grow 1 to 4 plants per person. Space plants 42 inches apart in rows 40 to 50 inches apart.
Turnip. Grow 5 to 10 plants per person. Yield 8 to 12 pounds per 10-foot row. Space plants 5 to 8 inches apart in rows in rows 15 to 24 inches apart.
Watermelon. Grow 2 plants per person. Yield 8 to 40 pounds per 10-foot row. Space plants 4 feet apart in rows 4 feet wide and 8 feet apart.
Source:
http://www.harvesttotable.com/ 