Skip to main content


Description and validation of the Adapt-N tool

Sela, S., H.M. van Es, B.N. Moebius-Clune, R. Marjerison, J.J. Melkonian, D. Moebius-Clune, R. Schindelbeck, and S. Gomes. 2016. Adapt-N Outperforms Grower-Selected Nitrogen Rates in Northeast and Midwestern United States Strip Trials. Agronomy Journal. 108(4): 1-9.

DeGaetano, A.T., Wilks, D.S., 2009. Radar-guided interpolation of climatological precipitation data. International Journal of Climatology 29, 185-196.

Melkonian, J.J., H.M. van Es, A.T. DeGaetano, and L. Joseph. 2008. ADAPT-N: Adaptive nitrogen management for maize using high-resolution climate data and model simulations. In: R. Kosla (Ed.). Proceedings of the 9th International Conference on Precision Agriculture, July 20-23, 2008, Denver, CO (CD-ROM).

van Es, H.M., B.D. Kay, J.J. Melkonian, and J.M. Sogbedji. 2007. Nitrogen Management Under Maize in Humid Regions: Case for a Dynamic Approach. In: T. Bruulsema (ed.) Managing Crop Nutrition for Weather. Intern. Plant Nutrition Institute Publ. pp. 6-13.

Melkonian, J., H.M. van Es, A.T. DeGaetano, J.M.Sogbedji, and L. Joseph. 2007. Application of Dynamic Simulation Modeling for Nitrogen Management in Maize. In: T. Bruulsema (ed.) Managing Crop Nutrition for Weather. Intern. Plant Nutrition Institute Publ. pp. 14-22.

DeGaetano, A.T., Belcher, B.N., 2007. Spatial Interpolation of Daily Maximum and Minimum Air Temperature Based on Meteorological Model Analyses and Independent Observations. Journal of Applied Meteorology and Climatology 46, 1981-1992.

Description and validation of the PNM model

Graham, C.J., H.M. van Es, J.J. Melkonian, and D.A. Laird. 2010. Improved nitrogen and energy use efficiency using NIR estimated soil organic carbon and N simulation modeling. In: D.A. Clay and J. Shanahan. GIS Applications in Agriculture – Nutrient Management for Improved Energy Efficiency. pp 301-325, Taylor and Francis, LLC.

Melkonian, J. L.D. Geohring, H.M. van Es, P.E. Wright, T.S. Steenhuis and C. Graham. 2010. Subsurface drainage discharges following manure application: Measurements and model analyses. Proc. XVIIth World Congress of the Intern. Commission of Agric. Engineering, Quebec City, Canada.

Sogbedji, J.M., H.M. van Es, J. Melkonian, and R.R. Schindelbeck. 2006. Evaluation of the PNM model for simulating drain flow nitrate-N concentrations under manure-fertilized maize. Plant and Soil 282: 343-360.

Description and validation of the different components of the PNM model

Sogbedji, J.M., H.M. van Es, J.L. Hutson, and L.D. Geohring. 2001. Fate of N fertilizer and green manure in clay loam and loamy sand soils: I Calibration of the LEACHM model. Plant and Soil 229(1): 57-70.

Sogbedji, J.M., H.M. van Es, J.L. Hutson, and L.D. Geohring. 2001. N rate and transport under variable cropping history and fertilizer rate on loamy sand and clay loam soils: II. Performance of LEACHMN using different calibration scenarios. Plant and Soil 229:71-82.

Sogbedji, J.M., H.M. van Es, S.D. Klausner, D.R. Bouldin, and W.J. Cox. 2001. Spatial and temporal processes affecting nitrogen availability at the landscape scale. Soil & Tillage Research 58 (3-4) 233-244.

Sogbedji, J.M., H.M. van Es, C.L. Yang, L.D. Geohring, and F.R. Magdoff. 2000. Nitrate leaching and N budget as affected by maize N fertilizer rate and soil type. J. Environm. Qual. 29:1813-1820.

Sinclair, T.R., and R.C. Muchow. 1995. Effect of nitrogen supply on maize yield: I. modeling physiological responses. Agronomy Journal 87:632-641

Muchow, R.C., Sinclair, T.R., 1995. Effect of nitrogen supply on maize yield: 2. Field and model analysis. Agronomy Journal 87, 642-648.

Muchow, R.C., Sinclair, T.R., 1991. Water deficit effects on maize yields modeled under current and greenhouse climates. Agronomy Journal 83, 1052-1059.

Hutson, J.L., and R.J. Wagenet. 1991. Simulating nitrogen dynamics in soils using a deterministic model. soil use and management 7:74-78.

Sinclair, T.R., Bennett, J.M., Muchow, R.C., 1990. Relative sensitivity of grain-yield and biomass accumulation to drought in field-grown maize. Crop Sci. 30, 690-693.

Muchow, R.C., 1990. Effect of high-temperature on grain-growth in field-grown maize. Field Crop. Res. 23, 145-158.

Muchow, R.C., Sinclair, T.R., Bennett, J.M., 1990. Temperature and solar-radiation effects on potential maize yield across locations. Agronomy Journal 82, 338-343.

The LEACM manual

Hutson, J.L. and R.J. Wagenet. 2003. Leaching Estimation And Chemistry Model: a process-based model of water and solute movement, transformations, plant uptake, and chemical reactions in the unsaturated zone. Version 4. Dept of Crop and Soil Sciences. Research Series No. R03-1. Cornell University, Ithaca, NY, USA


Skip to toolbar