In large bowl, place the carrot and daikon and sprinkle with salt and 2 teaspoons of sugar. Use your hands to knead the vegetables for about 3 minutes, expelling the water from them. They will soften and liquid will pool at the bottom of the bowl. Stop kneading when you can bend a piece of daikon so that the ends touch but the daikon does not break. The vegetables should have lost about one-fourth of their volume. Drain and rinse under cold running water, then press gently to expel extra water. Place vegetables in a quart-sized jar.
In a medium bowl, combine the 1/2 cup sugar, vinegar, and water; stir to dissolve. Pour over vegetables. The brine should cover the vegetables. Let the vegetables marinate in the brine for at least 1 hour before eating. Vegetables will keep refrigerated for up to 4 weeks. Makes about 3 cups.
Approximate Nutrient Analysis per serving:
45 calories, 0 g fat, 0 g saturated fat, 0 mg cholesterol, 200 mg sodium, 11 g carbohydrate, 1 g fiber, 10 g sugar, 0 g protein