Considering the scope for fruit cultivation on step farms, apple growing was encouraged in the Chamba-Mussoorie fruit belt. But, of late, global warming has reduced the sweetness of apples.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/global-warming%E2%80%99-knocks-down-apple-production
[2] http://admin.indiaenvironmentportal.org.in/category/author/vinod-chamoli
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-dehradun
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttaranchal-uttarakhand
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tehri-garhwal
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/apple
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change