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| 開花期観測× | 窒素利用効率× | |
|---|---|---|
| 分野 | 農学 | 農学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1974 | 2005 |
| 提唱者≠ | Zadoks, Chang, Konzak (cereals); Fehr, Caviness (soybean) | Adrian Dobermann, Kenneth G. Cassman |
| 種類≠ | Observational and classification pipeline | Analytical pipeline |
| 原典≠ | Zadoks, J. C., Chang, T. T., & Konzak, C. F. (1974). A decimal code for the growth stages of cereals. Weed research, 14(6), 415-421. DOI ↗ | Dobermann, A., & Cassman, K. G. (2005). Nitrogen use efficiency in cereals: mechanisms and genetic improvements. In Managing soil quality and crop productivity in intensive agriculture (pp. 15-40). CRC Press. link ↗ |
| 別名 | Growth stage assessment, Phenological monitoring, Crop stage scale | NUE analysis, Nitrogen recovery efficiency, N balance assessment |
| 関連 | 5 | 5 |
| 概要≠ | Phenological Observation is an observational and classification pipeline for systematically recording crop development stages from germination to maturity. Standardized through crop-specific scales (Zadoks for cereals, Fehr for soybean), this method enables precise communication of crop status, timing of management decisions (fungicide application, irrigation), and prediction of harvest readiness. | Nitrogen Use Efficiency (NUE) assessment and optimization is an analytical pipeline for evaluating how effectively crops convert applied nitrogen fertilizer into grain, biomass, or economic output. Developed by agronomic researchers (Dobermann, Raun) in the 2000s, this method quantifies nitrogen losses and identifies management practices to improve both crop productivity and environmental sustainability. |
| ScholarGateデータセット ↗ |
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