What is the problem?
How serious is it? What commodities / countries?
Postharvest Technology- Research &Information Center
% at each stage of the chain? Field, packhouse, transport etc
Is there need for better data / information on PHL & PHT? Yes. Who should collect it? How should it be stored? Who should have access? How should it be communicated and to whom? Policymakers, scientists, farmers, traders, processors?