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Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

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Published on: December 9, 2012

An Internet-based simulation model for nitrogen management in agricultural settings.

M J Shaffer¹, B J Newton, C M Gross

¹USADA Agricultural Research Sevice, Fort Collins, CO 80522, USA. shaffer@gpsr.colostate.edu

Thescientificworldjournal

|June 14, 2003

Summary

A new USDA web tool simplifies nitrogen (N) modeling for farmers, making it easier to optimize fertilizer use and protect the environment. This tool uses the NLEAP model for site-specific N analysis without complex software.

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Area of Science:

Agricultural Science
Environmental Science
Computational Modeling

Background:

Nitrogen (N) transformations in agriculture involve complex processes, complicating fertilizer optimization and environmental protection.
Existing N simulation models are often too complex for practical use by farmers, consultants, and conservationists.

Purpose of the Study:

To introduce a user-friendly, Internet-based nitrogen analysis tool developed by the USDA.
To simplify the application of sophisticated N simulation modeling for site-specific agricultural scenarios.

Main Methods:

Development of a web-based platform leveraging the Nitrate Leaching and Economic Analysis Package (NLEAP) model.
Server-side data assembly, formatting, and model execution to reduce user computational burden.
Facilitation of multiyear N simulation modeling for individual crop fields.

Main Results:

The USDA's web tool provides accessible, multiyear N simulation modeling capabilities.
Server-based processing simplifies data handling and model execution for users.
Early implementation results demonstrate the tool's utility in N analysis.

Conclusions:

The developed Internet-based tool significantly enhances accessibility to complex N modeling.
This facilitates better nitrogen management for improved fertilizer use efficiency and environmental stewardship in agriculture.