The most relevant food waste problem for my business, Tomato Jos, is "post-harvest loss," where food spoils or becomes unusable after it has been harvested, but before it has been sold to the final user. My company works with tomatoes, and every year there is a "market glut" where supply outpaces demand and prices crash - during this time, many fruits are lost because farmers have a hard time selling.
In Nigeria, the best way to make post-harvest loss improvements is to improve the roads! Besides that, increasing information flow between growers and the markets would help - both during harvest and during other times of the year (for example when farmers are getting ready to plant). If farmers were able to spread out their production over the course of the season and/or have better knowledge about what each other were doing, the risk of a production glut would decrease.
Tomato Jos is working with farmers to organize their production and improve their farming practices so that they can supply a steady stream of tomatoes to our processing facility and receive fair, consistent prices throughout the harvesting season. Other offtaking organizations are working to set up similar buying agreements with primary producers, too.
From the Nigerian government, I would ask for better roads and a floating currency. From the business community, I would ask for more transparency in the market around pricing and volumes (potentially provided through private sector services), a commodity exchange for maize, wheat, rice, and other non-perishable crops, and additional logistics and cold chain solutions for fresh produce.
I think SAVE FOOD can and should continue to support companies that are working to mitigate food waste, and can also work with governments and other organizations to continue to push the food waste agenda.