Respuesta de la yuca a la aplicacion de fosforo
Cassava is among the food crops that tolerate soil acidity well; therefore, it is often planted on highly acid, unfertile soils without fertilization or liming. Nevertheless, cassava needs large quantities of P for maximum productivity. In fertilization trials at Carimagua (Llanos Orientales, Colomb...
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| Format: | Informe técnico |
| Language: | Español |
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International Center for Tropical Agriculture
1977
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| Online Access: | https://hdl.handle.net/10568/71382 |
| _version_ | 1855539507845136384 |
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| author | Howeler, Reinhardt H. |
| author_browse | Howeler, Reinhardt H. |
| author_facet | Howeler, Reinhardt H. |
| author_sort | Howeler, Reinhardt H. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Cassava is among the food crops that tolerate soil acidity well; therefore, it is often planted on highly acid, unfertile soils without fertilization or liming. Nevertheless, cassava needs large quantities of P for maximum productivity. In fertilization trials at Carimagua (Llanos Orientales, Colombia), cassava responded positively to P2O5 applications (400 kg/ha). Rock phosphates are a good P source for cassava. The best time to apply P was at planting. Maximum yield and highest net income were obtained with 140 kg P2O5/ha and 180 kg K2O. At 2 sites in the state of Valle del Cauca, there was no response to P except when combined with a large amount of K. A highly promising alternative to the application of high quantities of P is the identification of cassava varieties tolerant to low P levels. CIAT germplasm material is now being evaluated for tolerance to P deficiency and Al toxicity. (AS-CIAT) |
| format | Informe técnico |
| id | CGSpace71382 |
| institution | CGIAR Consortium |
| language | Español |
| publishDate | 1977 |
| publishDateRange | 1977 |
| publishDateSort | 1977 |
| publisher | International Center for Tropical Agriculture |
| publisherStr | International Center for Tropical Agriculture |
| record_format | dspace |
| spelling | CGSpace713822025-11-05T18:18:23Z Respuesta de la yuca a la aplicacion de fosforo Howeler, Reinhardt H. manihot esculenta fertilizers nutritional requirements phosphorus root productivity soil analysis soil requirements cultivation minerals productivity starch crops Cassava is among the food crops that tolerate soil acidity well; therefore, it is often planted on highly acid, unfertile soils without fertilization or liming. Nevertheless, cassava needs large quantities of P for maximum productivity. In fertilization trials at Carimagua (Llanos Orientales, Colombia), cassava responded positively to P2O5 applications (400 kg/ha). Rock phosphates are a good P source for cassava. The best time to apply P was at planting. Maximum yield and highest net income were obtained with 140 kg P2O5/ha and 180 kg K2O. At 2 sites in the state of Valle del Cauca, there was no response to P except when combined with a large amount of K. A highly promising alternative to the application of high quantities of P is the identification of cassava varieties tolerant to low P levels. CIAT germplasm material is now being evaluated for tolerance to P deficiency and Al toxicity. (AS-CIAT) 1977 2016-02-29T17:10:36Z 2016-02-29T17:10:36Z Report https://hdl.handle.net/10568/71382 es Open Access application/pdf International Center for Tropical Agriculture HOWELER, R.H. 1977. Respuesta de la yuca a la aplicacion de fosforo. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 29 p. (Serminario internos. Serie SE-09-77) |
| spellingShingle | manihot esculenta fertilizers nutritional requirements phosphorus root productivity soil analysis soil requirements cultivation minerals productivity starch crops Howeler, Reinhardt H. Respuesta de la yuca a la aplicacion de fosforo |
| title | Respuesta de la yuca a la aplicacion de fosforo |
| title_full | Respuesta de la yuca a la aplicacion de fosforo |
| title_fullStr | Respuesta de la yuca a la aplicacion de fosforo |
| title_full_unstemmed | Respuesta de la yuca a la aplicacion de fosforo |
| title_short | Respuesta de la yuca a la aplicacion de fosforo |
| title_sort | respuesta de la yuca a la aplicacion de fosforo |
| topic | manihot esculenta fertilizers nutritional requirements phosphorus root productivity soil analysis soil requirements cultivation minerals productivity starch crops |
| url | https://hdl.handle.net/10568/71382 |
| work_keys_str_mv | AT howelerreinhardth respuestadelayucaalaaplicaciondefosforo |