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Nitrogen content identification in crop plants using spectral reflectance and artificial neural networks

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4 Author(s)
Ulson, J.A.C. ; Dept. of Electr. Eng., Sao Paulo Univ., Brazil ; Benez, S.H. ; de Silva, I.N. ; de Souza, A.N.

The accurate identification of the nitrogen content in crop plants is extremely important since it invokes economic aspects and environmental impacts. Several experimental tests have been carried out to obtain characteristics and parameters associated with the health of plants and their growing. The nitrogen content identification involves a lot of nonlinear parameters and complex mathematical models. The paper describes an approach for identification of nitrogen content through spectral reflectance of plant leaves using artificial neural networks. The network acts as identifier of relationships among pH of soil, fertilizer treatment, spectral reflectance and nitrogen content in the plants. So, nitrogen content can be estimated and generalized from an input parameter set. This approach can form the basis for development of an accurate real time nitrogen applicator

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Neural Networks, 2001. Proceedings. IJCNN '01. International Joint Conference on  (Volume:3 )

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