Why getting farmers to switch from tobacco crops is a struggle

cnbc.com – 10 de enero de 2017 – EEUU
Crop diversification in the world's top tobacco producers can lower smoking rates in low-income countries, but infrastructure limitations and industry subsidies make it a hard pitch to sell to farmers, according to the World Health Organization (WHO).

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http://www.cnbc.com/2017/01/10/why-getting-farmers-to-switch-from-tobacco-crops-is-a-struggle.html