Data on rice harvest and postharvest loss in Sub-Sahara Africa(SSA)is scanty making it difficult for stakeholders to appreciate the loss and set priority areas for loss reduction along the value chain.To address this ...Data on rice harvest and postharvest loss in Sub-Sahara Africa(SSA)is scanty making it difficult for stakeholders to appreciate the loss and set priority areas for loss reduction along the value chain.To address this problem,a protocol was developed and validated for postharvest loss(PHL)quantification in SSA.Quantitative losses at each segment were determined by field measurements.Interactive effect of origin of rice(domestic versus imported)and type of processing(white versus parboiled milled)on rice price in 33 markets in Africa was used to estimate qualitative loss for both white and parboiled milled rice.Total PHL for rice in SSA in 2018 is estimated at about US$10.24 billion,representing 47.63%of the expected total production.The highest loss recorded was quantitative loss before and during harvesting,followed by qualitative loss along the entire value chain,quantitative loss during milling,parboiling,threshing in that order,with the lowest being quantitative loss during drying.Priority areas to be targeted for PHL reduction in SSA and some loss mitigation tools and technologies piloted or suitable for SSA are proposed.展开更多
基金supported by the Department of Foreign Affairs,Trade and Development of the Government of Canada(Grant No.A034968)Transforming Irrigation Management in Nigeria Project financed by the World Bank and implemented by the Federal Ministry of Water Resources,the African Development Bank(Grant No.2100155022217)the CGIAR System Organization Research Program on Rice Agri-Food System(Grant No.RICE-CRP[CRP15]).
文摘Data on rice harvest and postharvest loss in Sub-Sahara Africa(SSA)is scanty making it difficult for stakeholders to appreciate the loss and set priority areas for loss reduction along the value chain.To address this problem,a protocol was developed and validated for postharvest loss(PHL)quantification in SSA.Quantitative losses at each segment were determined by field measurements.Interactive effect of origin of rice(domestic versus imported)and type of processing(white versus parboiled milled)on rice price in 33 markets in Africa was used to estimate qualitative loss for both white and parboiled milled rice.Total PHL for rice in SSA in 2018 is estimated at about US$10.24 billion,representing 47.63%of the expected total production.The highest loss recorded was quantitative loss before and during harvesting,followed by qualitative loss along the entire value chain,quantitative loss during milling,parboiling,threshing in that order,with the lowest being quantitative loss during drying.Priority areas to be targeted for PHL reduction in SSA and some loss mitigation tools and technologies piloted or suitable for SSA are proposed.
