Asian farmers are growing rice and rearing fish in the same fields to increase their income and reduce weeds, while Ghanaians are using crop residues as compost to boost yields.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/eco-farming-can-solve-hunger-and-climate-crises-experts-say
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/thompson-reuters-foundation-trust
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/asia
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ghana
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fao
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chemical-fertilisers
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mauritius