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Nitrogen Use Efficiency Analysis/Ushahidi
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Nitrogen Use Efficiency Analysis

Nitrogen use efficiency (NUE) analysis is the set of agronomic indicators used to quantify how effectively applied nitrogen is converted into harvested yield and nutrient uptake, and how much escapes to the environment. Synthesized authoritatively by Jagdish Ladha and colleagues in 2005, the family includes agronomic efficiency (extra yield per unit of nitrogen applied), recovery efficiency (the fraction of applied nitrogen the crop takes up), physiological efficiency (yield produced per unit of nitrogen taken up), partial factor productivity (total yield per unit of nitrogen applied), and the partial nutrient balance of nitrogen out in harvest versus nitrogen in from inputs. Because nitrogen is the most yield-limiting and environmentally costly nutrient in cereal systems, these indicators are central to diagnosing fertilizer performance, guiding the right rate, source, timing, and placement, and benchmarking the sustainability of cropping systems.

Sources recorded, not reviewed

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Nitrogen Use Efficiency Analysis (Agronomic, Recovery, and Partial-Balance Indicators of Applied N)
Rekodi ya mbinu ya kiajenda · process-pipeline / food-agriculture-studies
  • Ladha, J. K., Pathak, H., Krupnik, T. J., Six, J., & van Kessel, C. (2005). Efficiency of Fertilizer Nitrogen in Cereal Production: Retrospects and Prospects. Advances in Agronomy, 87, 85-156. · DOI 10.1016/S0065-2113(05)87003-8
  • Jones, J. W., Hoogenboom, G., Porter, C. H., Boote, K. J., Batchelor, W. D., Hunt, L. A., Wilkens, P. W., Singh, U., Gijsman, A. J., & Ritchie, J. T. (2003). The DSSAT cropping system model. European Journal of Agronomy, 18(3-4), 235-265. · DOI 10.1016/S1161-0301(02)00107-7
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Same method familyAgroecosystem Analysismachine-suggested · Relational suggestion, not evidence.Same method familyCrop Simulation Modelingmachine-suggested · Relational suggestion, not evidence.Same method familyFarming Systems Research and Extensionmachine-suggested · Relational suggestion, not evidence.Same method familyFood-System Life Cycle Assessmentmachine-suggested · Relational suggestion, not evidence.

Hali ya ushahidi

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

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