1. Sugar-beet: It is a root crop requiring deep friable (easy to crumble) soil. Rainfall of about 65 cm is adequate. Leading producers are Ukraine, France, Germany and the Baltic Republic.
2. Tobacco: It requires a warm growing season with temperature above 18oC and a frostfree period of 120 to 180 days. Chief producer are China, USA, India and Brazil.
3. Rubber: It requires a humid tropical climate with temperature around 27oC and rainfall of more than 150 cm. Alluvial soils are suitable, provided they are well drained. Chief producers are Thailand. Indonesia and Malaysia.
4. Cotton: Cotton is a fibre crop and cotton fibre is obtained from the fruit bolls of the plant. Chief producers are China, USA, India, Pakistan and Uzbekistan. The leading producers of long staple cotton are USA and Egypt.
5. Jute: This is another fibre crop. Jute fibre is obtained from the skin of the plant. It is crop of the tropical regions having a temperature of 27 to 30 C and rainfall of 100 to 200cm. Chief producers of jute are India and Bangladesh.
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