Root plant to fuel the process. In return, the plant takes nitrogen compounds produced from ammonia by the bacteria. The term root crops refers to any edible underground plant structure, but many root crops are actually stems, such as potato tubers. Edible roots include cassava, sweet potato, beet, carrot, rutabaga, turnip, parsnip, radish, yam and horseradish. Spices obtained from roots include sassafras, angelica, sarsaparilla and licorice. Sugar beet is an important source of sugar. Yam roots are a source of estrogen compounds used in birth control pills. The fish poison and insecticide rotenone is obtained from roots of "Lonchocarpus" spp. Important
Sweet as Sin "She is obviously passionate about her mission to place candy in an historical and cultural context." "Portland Book Review" wrote: "The book is full of research and black and white photos, but lacks much in true substance." Sweet as Sin Sweet as Sin: The Unwrapped Story of How Candy Became America’s Pleasure is a 2016 nonfiction book written by Susan Benjamin. It focuses on the history of candy and its importance in American culture. The book details the history of the birth of sweets from the harvesting of the marshmallow plant in ancient Egypt to the mass-produced candy innovations of