Origin of Crops
- Rice - S. E. Asia(Burma)
- Wheat - S. W. Asia (Turkey)
- Gram - S. W. Asia
- Sugarcane - New Guinea
- Soybean - China
- Mustard - China
- Tea - China
- Maize - S. America (Mexico)
- Potato - S. America (Peru)
- Tobacco - C. America
- Brinjal - India
- Moong - India
- Cotton - India
- Groundnut - Brazil
- Arhar - Africa
- Cow pea - Africa
- Jowar -Africa
- Bajra - Africa
- Oats -Asia Minor