Let the whole vegetable field be 1, the vegetables 1/2, and the rest 1/2, and half of the radishes are 1/2 divided by 2= 1/4.

1/4 is divided into three parts: 1/4 divided by 3 =112.

Green vegetables account for 1/2, radishes for 1/4, and cucumbers, tomatoes and eggplant all account for112.