Sun drying is the traditional method for reducing the moisture content of rice by spreading the grains in
the sun. The solar radiation heats up the grains as well as the surrounding air and thus increases the rate of water evaporating from the grains.
To access fact sheets on this aspect of postharvest management as well as other topics in rice production and manangement, go to IRRI's Rice Knowledge Bank at http://www.knowledgebank.irri.org/factsheets
A rake.
irrivideo 8 months ago