black earth:

More on black earth from Infoplease:

• chernozem - chernozem chernozem or black earth,variety of soil rich in organic matter in the form of humus. It ...
• Penza - Penza Penza , city (1991 est. pop. 551,000), capital of Penza region, S central European Russia, on ...
• Philip Melanchthon - Melanchthon, Philip Melanchthon, Philip , 1497–1560, German scholar and humanist. He was ...
• Yelets - Yelets Yelets , city (1989 pop. 120,000), E central Russia, on the Sosna River, a tributary of the ...
• Fourth Khanda - 1. “The red colour of burning fire (agni) is the colour of fire, the white colour of fire is the colour of water, the black colour of fire the colour

See more Encyclopedia articles on: Agriculture: General