Estimation of Alkali⁃Hydrolyzable Nitrogen Content in Fluvo⁃Aquic Soil Profiles Based on Characteristic Band Selection of Near⁃Infrared Spectroscopy
WU Shiwen, ZHANG Yechen, HAO Wenhui, SONG Yu, GUO Yan, ZHANG Junhua, SUO Yanyan
Journal of Henan Agricultural Sciences . 2026, (6): 68 -80 .  DOI: 10.15933/j.cnki.1004-3268.2026.06.007

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