Radish Kimchi

Name: Radish Kimchi
Ingredients: 4 lb. daikon radishes, peeled and cut into 1″ cubes; 1 lb. Napa cabbage (firm inner leaves only), cut into 1″ cubes; 2 tbsp. kosher salt; 1 1⁄2 cups roughly chopped trimmed Korean watercress; 1⁄3 cup sugar; 1⁄4 cup Korean chile powder; 2 tbsp. finely chopped Korean salted shrimp; 2 tsp. distilled white vinegar; 6 cloves garlic, finely chopped; 5 scallions, white and light green parts only, cut into 1″ lengths; (1) 1″ piece ginger, peeled and grated