Effect of fertilizer application on the storage behavior and quality of sweet potato [Philippines]
1987
Quevedo, M.A. | Data, E.S. | Intong, R.B. (Philippine Root Crop Research and Training Center, Baybay, Leyte (Philippines))
Weight loss, percentage and severity of root decay and degree of shrivelling of sweet potato were significantly affected by fertilizer treatments. Sweet potato roots from unfertilized plants exhibited the highest weight loss, percentage and severity of decay and degree of shrivelling, while roots from plants fertilized with 45 kg K per hectare gave the least after 45 days of storage. On the other hand, the dry matter, sugar, starch and B-carotene contents of sweet potato at harvest and during subsequent storage were not significantly affected by fertilizer treatments. The sensory qualities of streamed sweet potato roots generally decreased with time of storage but were still acceptable based on Hedonic rating scale. The effect of fertilizer, however, was not clearly delineated.
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