This was revealed here recently by Mr Simon Msoka, an official of the Kilimanjaro Regional Secretariat, during a land use and climate smart agriculture workshop.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/impressive-headway-notched-kili-plants-24-m-trees-after-2016
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-tanzania
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/afforestation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tanzania
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trees
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa