Other important food grain crops are maize, wheat, and a few other cereals and pulses. "Pure oat" refers to oats uncontaminated with other gluten-containing cereals. It is also present in many legumes, cereals, and grains. In Ethiopia, teff is commonly used in crop rotations with other cereals and legumes. Whole grain cereals and pastries are mostly consumed by children. Flours of different cereals and pulses are used as well. Payments for major arable crops as cereals and oilseeds were harmonised. Among them were opium, cannabis, and alcohol derived from the fermentation of cereals and fruits. It is commonly added to cereals and other foods. Lentil flour can be produced by milling the seeds, like cereals. On the tableland a great variety of cereals and vegetables are cultivated. Main dishes include beef, pork, potatoes, cabbage, and a variety of cereals. England was more than self-sufficient in cereals, dairy products, beef and mutton. Dietary selenium comes from meat, nuts, cereals and mushrooms. Across Africa, rodents including "Mastomys" and "Arvicanthis" damage cereals, groundnuts, vegetables and cacao.