Data set of Visible-Near Infrared handled and micro- spectrometers – comparison of their accuracy for predicting some sugarcane properties.

Chemical and Nir spectra measurements were made on 60 sugarcane samples from different plant parts (leaves, stem or whole aerial part). Chemical parameters (total sugar content - TS, crude protein content - CP, acid detergent fiber - ADF, in vitro organic matter digestibility - IVOMD were determined. In parallel, reflectance spectra were measured using eight spectrometers. Absorbance data was calculated as log10 (1/Reflectance).To illustrate, PLS-R results are showed for TS and CP.

本研究对采自不同植株部位（叶片、茎秆或全地上部分）的60个甘蔗样本完成了化学组分与近红外光谱（Near-Infrared, NIR）检测。本次测定的化学参数涵盖总糖含量（total sugar content, TS）、粗蛋白含量（crude protein content, CP）、酸性洗涤纤维（acid detergent fiber, ADF）以及体外有机物消化率（in vitro organic matter digestibility, IVOMD）。与此同时，研究团队使用8台光谱仪采集了样本的反射光谱，吸光度数据通过log₁₀(1/反射率)的公式计算获得。为便于示例说明，本文给出了总糖含量与粗蛋白含量的偏最小二乘回归（Partial Least Squares Regression, PLS-R）分析结果。