https://www.engineeringforchange.org/news/making-100-100-tools-reduce-post-harvest-loss/
A New Resource for Smallholder Farmers: 100 Under $100 Tools to Reduce Post-Harvest Loss |...
Sep 21, 2019 - Global post-harvest food loss has a long list of elegant solutions. And at least 100 of them cost less than (USD) $100. They have not been implemented on...