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
Plant milk Plant milk Plant milk, also known as non-dairy milk, with the subcategory nut milk, has been consumed for centuries, if not millennia, in various cultures across the planet. It has been used traditionally as an ingredient in sweet as well as savory dishes (such as curries) and consumed as a beverage (e.g. Nigerian kunu, Japanese amazake, Spanish horchata, Korean Sikhye). More recently, especially in countries where consumption of dairy products has been relatively high, plant milks are sometimes used as substitutes for dairy milk. In English, the word "milk" has been used to refer to "milk like plant juices" since