Cotton or 'white gold' is a major cash crop of the world
Which crop is called 'white gold', and why? - Quora
The 10 Most Important Crops in the World
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King Cotton
Decadal trends in cotton production in India during 1961-2011
What Is A Cash Crop? - WorldAtlas
Central Asia's 'White Gold' Delivering Diminishing Returns, Farmers Complain
Trend of cotton export and import in India from 1991-2011
Raman SINGH, Researcher, Ph.D., Central Soil and Water Conservation Research and Training Institute, Dehra Dūn, CSWCRTI, Division of Soil Science and Agronomy
Agriculture in Georgia - New Georgia Encyclopedia
Africa: Resources