Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse
This research brief summarizes a nutrient optimization experiment conducted at Uganda’s National Crops Resources Research Institute (NaCRRI) in 2023–2024 to enhance sweetpotato pre-basic seed production in screenhouse conditions. Four fertilizer treatments—forest compost, forest compost + decomposed...
| Autores principales: | , , , |
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| Formato: | Brief |
| Lenguaje: | Inglés |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/177145 |
| _version_ | 1855530672860430336 |
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| author | Atugonza, K. Omongo, C. Musana, P. Namanda, S. |
| author_browse | Atugonza, K. Musana, P. Namanda, S. Omongo, C. |
| author_facet | Atugonza, K. Omongo, C. Musana, P. Namanda, S. |
| author_sort | Atugonza, K. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | This research brief summarizes a nutrient optimization experiment conducted at Uganda’s National Crops Resources Research Institute (NaCRRI) in 2023–2024 to enhance sweetpotato pre-basic seed production in screenhouse conditions. Four fertilizer treatments—forest compost, forest compost + decomposed poultry manure, forest compost + urea (46%), and forest compost + NPK (25:5:5)—were tested on varieties NAROSPOT 1, Tanzania, and NASPOT 10 O (Kabode). The combination of forest compost and decomposed poultry manure yielded the highest vine multiplication rate (VMR) (49% increase) and lowest unit production cost (UGX 13 per cutting), especially for the variety Tanzania. In contrast, compost + urea resulted in the highest costs (UGX 25 per cutting). The findings identify the compost + manure combination as the most agronomically efficient and cost-effective nutrient regime for sustainable pre-basic seed production. |
| format | Brief |
| id | CGSpace177145 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| record_format | dspace |
| spelling | CGSpace1771452025-11-06T13:47:56Z Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse Atugonza, K. Omongo, C. Musana, P. Namanda, S. sweet potatoes fertilizers seed production nutrient management soil fertility This research brief summarizes a nutrient optimization experiment conducted at Uganda’s National Crops Resources Research Institute (NaCRRI) in 2023–2024 to enhance sweetpotato pre-basic seed production in screenhouse conditions. Four fertilizer treatments—forest compost, forest compost + decomposed poultry manure, forest compost + urea (46%), and forest compost + NPK (25:5:5)—were tested on varieties NAROSPOT 1, Tanzania, and NASPOT 10 O (Kabode). The combination of forest compost and decomposed poultry manure yielded the highest vine multiplication rate (VMR) (49% increase) and lowest unit production cost (UGX 13 per cutting), especially for the variety Tanzania. In contrast, compost + urea resulted in the highest costs (UGX 25 per cutting). The findings identify the compost + manure combination as the most agronomically efficient and cost-effective nutrient regime for sustainable pre-basic seed production. 2025-10 2025-10-15T22:20:47Z 2025-10-15T22:20:47Z Brief https://hdl.handle.net/10568/177145 en Open Access application/pdf Atugonza, K.; Omongo, C.; Musana, P.; Namanda, S. 2025. Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse. International Potato Center. 2 p. |
| spellingShingle | sweet potatoes fertilizers seed production nutrient management soil fertility Atugonza, K. Omongo, C. Musana, P. Namanda, S. Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| title | Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| title_full | Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| title_fullStr | Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| title_full_unstemmed | Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| title_short | Improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| title_sort | improved nutrient management regime for production of early generation seed of sweetpotato in the screenhouse |
| topic | sweet potatoes fertilizers seed production nutrient management soil fertility |
| url | https://hdl.handle.net/10568/177145 |
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