Predicting total dissolved salts and soluble ion concentrations in agricultural soils using portable visible near-infrared and mid-infrared spectrometers

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• 作者：Jie Peng^a ; ^b ; Wenjun Ji^c ; Ziqiang Ma^a ; Shuo Li^a ; Songchao Chen^a ; Lianqing Zhou^a ; ^{lianqing@zju.edu.cn} ; Zhou Shi^a
• 关键词：Arid region ; Soil salinization ; Visible-near infrared spectroscopy ; Mid-infrared spectroscopy ; Partial least-square regression ; Support vector machine
• 刊名：Biosystems Engineering
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：152
• 期：Complete
• 页码：94-103
• 全文大小：1212 K
• 卷排序：152

文摘

Soil salinity related properties were assessed using VNIR and MIR spectra. Good and satisfactory predictions obtained for total dissolved salts and soluble ions concentrations except for K+. Portable MIR spectrometer proved a more suitable proximal soil sensor than VNIR.