During the same period, farmers in China began to farm rice and millet, using human-made floods and fires as part of their cultivation regimen. The use of soil conditioners, including manure, fish, compost and ashes, appears to have begun early, and developed independently in areas of the world including Mesopotamia, the Nile Valley, and Eastern Asia.
During the same period, farmers in China began to farm rice and millet, using human-made floods and fires as part of their cultivation regimen The use of soil conditioners, including manure, fish, compost and ash.es, appears to have begun early, and developed independently in areas of the world including Mesopotamia, the Nile Valley, and Eastern Asia.