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Nitrogen Management Experiments for Upland and Pima Cotton, 1993
| dc.contributor.author | Silvertooth, J. C. | |
| dc.contributor.author | Norton, E. R. | |
| dc.contributor.author | Unruh, B. L. | |
| dc.contributor.author | Clark, L. J. | |
| dc.contributor.author | Carpenter, E. W. | |
| dc.contributor.editor | Silvertooth, Jeff | en_US |
| dc.date.accessioned | 2012-02-06T18:37:00Z | |
| dc.date.available | 2012-02-06T18:37:00Z | |
| dc.date.issued | 1994-03 | |
| dc.identifier.uri | http://hdl.handle.net/10150/209650 | |
| dc.description.abstract | Two field experiments were conducted in Arizona in 1993 at two locations (Maricopa and Safford). Both experiments have been conducted for five consecutive seasons, with consistent plot locations. The purposes of the experiments were to validate and refine nitrogen (N) fertilization recommendations for both Upland and Pima cotton. The experiments each utilized N management tools such as pre - season soil tests for NO₃⁻-N, in-season plant tissue testing (petioles) for N fertility status, and crop monitoring to ascertain crop fruiting patterns and crop N needs. Results at both locations revealed a strong relationship between the crop fruit retention levels and N needs for the crop. This pattern was further reflected in final yield analysis as a response to the N fertilization regimes used. The effects of N fertility levels have been consistently evident in crop maturity and its relationship to lint yields. | |
| dc.language.iso | en_US | en_US |
| dc.publisher | College of Agriculture, University of Arizona (Tucson, AZ) | en_US |
| dc.relation.ispartofseries | 370096 | en_US |
| dc.relation.ispartofseries | Series P-96 | en_US |
| dc.subject | Agriculture -- Arizona | en_US |
| dc.subject | Cotton -- Arizona | en_US |
| dc.subject | Cotton -- Soil fertility | en_US |
| dc.subject | Cotton -- Soil management | en_US |
| dc.title | Nitrogen Management Experiments for Upland and Pima Cotton, 1993 | en_US |
| dc.type | text | en_US |
| dc.type | Article | en_US |
| dc.identifier.journal | Cotton: A College of Agriculture Report | en_US |
| refterms.dateFOA | 2018-06-27T00:38:43Z | |
| html.description.abstract | Two field experiments were conducted in Arizona in 1993 at two locations (Maricopa and Safford). Both experiments have been conducted for five consecutive seasons, with consistent plot locations. The purposes of the experiments were to validate and refine nitrogen (N) fertilization recommendations for both Upland and Pima cotton. The experiments each utilized N management tools such as pre - season soil tests for NO₃⁻-N, in-season plant tissue testing (petioles) for N fertility status, and crop monitoring to ascertain crop fruiting patterns and crop N needs. Results at both locations revealed a strong relationship between the crop fruit retention levels and N needs for the crop. This pattern was further reflected in final yield analysis as a response to the N fertilization regimes used. The effects of N fertility levels have been consistently evident in crop maturity and its relationship to lint yields. |
