How to Grow More Vegetables

York: John Wiley & Sons, 1957), pp. 6–7.

8 Try these crops in shady areas in the summer. Remember, crops need
at least 4 hours of direct sunlight to grow. Seven hours are preferred,
and 11 hours are even better.

9 From James Edward Knott, Handbook for Vegetable Growers (New
York: John Wiley & Sons, 1957), p. 8.