Abstract
Environmentally friendly fertilization practices (EFFPs) aim at maintaining high use efficiency of nutrients, and particularly nitrogen, while reducing the environmental hazards such as nitrate leaching or emission of NOx gases. This presentation examines the agronomic and environmental impact of practices such as fertilizer placement, the use nitrification inhibitors (Nis), and the use of controlled-release N-fertilizers (CRNs). In the first part, experimental results demonstrating the significance of EFFPs (based on a single application) are presented. This is followed by a sensitivity analysis performed using a comprehensive N dynamics model that accounts for the effects induced in soil when using EFFPs. Modeling results emphasize the contribution of practices that reduce nitrification rate to reduction of leaching losses of nitrate while maintaining high yields. Most effective of the practices that were analyzed, using the N dynamics model, was banding of CRNs, which significantly reduced nitrate losses while maintaining optimal yields and nitrogen uptake.
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© 2002 Springer-Verlag Berlin Heidelberg
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Shaviv, A. (2002). Evaluation and Modeling of the Impact of Environmentally Friendly Fertilization Techniques. In: Rubin, H., Shamir, U., Nachtnebel, P., Fürst, J. (eds) Water Resources Quality. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-56013-2_1
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DOI: https://doi.org/10.1007/978-3-642-56013-2_1
Publisher Name: Springer, Berlin, Heidelberg
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