| 11. | Farmers have made those changes to grow cash crops and for aesthetics.
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| 12. | They are the cash crops that contribute substantially to the national exchequer.
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| 13. | Rubber is the most important industrial cash crop among the plantation crops.
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| 14. | The region's main cash crop is coca, the raw material for cocaine.
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| 15. | Other important cash crops and exports include copra and palm oil.
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| 16. | The germ of North Carolina's cash crop is all but invisible.
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| 17. | Cotton and rice are the primary cash crops of the region.
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| 18. | Hilltribe farmers in the region have long cultivated opium as a cash crop.
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| 19. | Hemp flourished as a cash crop through most of American history.
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| 20. | Coffee has become a vital cash crop for many developing countries.
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