Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition
An experiment was conducted on a sandy loam Alagba soil in southern Nigeria to obtain information on the effectiveness of methods of applying P fertilizers on soils of the humid tropics. Phosphorus rates ranging from no phosphate applied to 256 kg P per hectare applied, and percentage of the soil vo...
| Main Authors: | , |
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| Format: | Journal Article |
| Language: | Inglés |
| Published: |
1978
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/175471 |
| _version_ | 1855528612931829760 |
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| author | Fox, R.L. Kang, B.T. |
| author_browse | Fox, R.L. Kang, B.T. |
| author_facet | Fox, R.L. Kang, B.T. |
| author_sort | Fox, R.L. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | An experiment was conducted on a sandy loam Alagba soil in southern Nigeria to obtain information on the effectiveness of methods of applying P fertilizers on soils of the humid tropics. Phosphorus rates ranging from no phosphate applied to 256 kg P per hectare applied, and percentage of the soil volume fertilized, ranging from banding to 100 percent incorporation in the surface (0–15 cm) soil volume, were tested in factorial combinations using a continuous function experimental design.
Response to P fertilization was greatest during early growth and decreased with advanced maturity. External P requirements at 3, 6, and 9 weeks of growth were estimated at about 6, 0.02, and 0.001 μg P/ml, respectively. A rather low soil solution concentration of 0.01 μg P/ml was associated with 95 percent of maximum grain yield, which may be related to the low yield level realized.
Advantages of localized P placement were observed only at suboptimal P rates. With an adequate rate of fertilization, the best results were obtained from incorporating P in the entire cultivated soil volume. This study did not support the idea sometimes put forward that major economies in fertilizer use can be achieved as a result of localized placement of phosphate fertilizer. |
| format | Journal Article |
| id | CGSpace175471 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 1978 |
| publishDateRange | 1978 |
| publishDateSort | 1978 |
| record_format | dspace |
| spelling | CGSpace1754712025-12-08T10:06:44Z Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition Fox, R.L. Kang, B.T. fertilizers maize phosphorus phosphate fertilizers application methods soil An experiment was conducted on a sandy loam Alagba soil in southern Nigeria to obtain information on the effectiveness of methods of applying P fertilizers on soils of the humid tropics. Phosphorus rates ranging from no phosphate applied to 256 kg P per hectare applied, and percentage of the soil volume fertilized, ranging from banding to 100 percent incorporation in the surface (0–15 cm) soil volume, were tested in factorial combinations using a continuous function experimental design. Response to P fertilization was greatest during early growth and decreased with advanced maturity. External P requirements at 3, 6, and 9 weeks of growth were estimated at about 6, 0.02, and 0.001 μg P/ml, respectively. A rather low soil solution concentration of 0.01 μg P/ml was associated with 95 percent of maximum grain yield, which may be related to the low yield level realized. Advantages of localized P placement were observed only at suboptimal P rates. With an adequate rate of fertilization, the best results were obtained from incorporating P in the entire cultivated soil volume. This study did not support the idea sometimes put forward that major economies in fertilizer use can be achieved as a result of localized placement of phosphate fertilizer. 1978-01 2025-07-03T10:11:59Z 2025-07-03T10:11:59Z Journal Article https://hdl.handle.net/10568/175471 en Limited Access application/pdf Fox, R.L., & Kang, B.T. (1978). Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition. Soil Science, 125(1), 34-40. |
| spellingShingle | fertilizers maize phosphorus phosphate fertilizers application methods soil Fox, R.L. Kang, B.T. Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| title | Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| title_full | Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| title_fullStr | Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| title_full_unstemmed | Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| title_short | Influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| title_sort | influence of phosphorus fertilizer placement and fertilization rate on maize nutrition |
| topic | fertilizers maize phosphorus phosphate fertilizers application methods soil |
| url | https://hdl.handle.net/10568/175471 |
| work_keys_str_mv | AT foxrl influenceofphosphorusfertilizerplacementandfertilizationrateonmaizenutrition AT kangbt influenceofphosphorusfertilizerplacementandfertilizationrateonmaizenutrition |