# Quantitative Analysis of Total Nitrogen Content in Monoammonium Phosphate Fertilizer Using Visible-Near Infrared Spectroscopy and Least Squares Support Vector Machine

> Research article (Journal of Applied Spectroscopy, 2019) · cited 13× · AI/ML

**Wikidata**: [openalex:W2964475807](https://www.wikidata.org/wiki/openalex:W2964475807)  
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