1 bu. young radishes, greens only
½ c. water
2 tsp. salt
soy sauce, to taste
1 tsp. sugar
Wash greens, discarding any bits that don't look fresh. Chop coarsely. Combine in a bowl with the salt, sugar and water. Allow tosit 30 minutes to several hours in the refrigerator. Just before serving, drain and squeeze dry in a kitchen towel.  Place in small serving bowl and add soy sauce to taste.
Karola Saekel writing in the San Francisco Chronicle, 7/14/93.From the “Japanese Country Cookbook, ” by Russ Rudsinski.
Found on recipesource.com