He could calculate the reduction by pulling multiple soil samples throughout the field, counting the number of tubers in the sample before they moved in the pigs and then three months later. (sciencedaily.com)
Add A-list ferments like sauerkraut and kimchi along with starchy tubers like sweet potato to really shift your gut flora.» (mindbodygreen.com)
Even if you only have a little space, you can grow both types of tubers in a bucket. (precisionnutrition.com)