不同粒径对土壤有机质含量可见-近红外光谱预测的影响

钟翔君^1,², 杨丽^1,^2,^*, 张东兴^1,², 崔涛^1,², 和贤桃^1,², 杜兆辉^1,²

Effect of Different Particle Sizes on the Prediction of Soil Organic Matter Content by Visible-Near Infrared Spectroscopy

ZHONG Xiang-jun^1,², YANG Li^1,^2,^*, ZHANG Dong-xing^1,², CUI Tao^1,², HE Xian-tao^1,², DU Zhao-hui^1,²

不同粒径的土壤样本 (a): 1~2 mm; (b): 0.5~1 mm; (c): 0.25~0.5 mm; (d): 0.1~0.25 mm; (e): <1 mm; (f): <0.1 mm