On his farm in Lari, Kiambu County, George Muturi is solving an age-old problem for traders and livestock farmers: how to dispose of food and animal waste.
Bradley started B&B Worm Farm in Meeker, Okla., in 1998, and offered growers red worm contracts ranging from $10,000 to more than $100,000. A grower might pay $15,000 for 100,000 breeding worms or ...