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PLSR模型预测值与实测值的比较 (a): 全部粒径R-PLSR模型; (b): 全部粒径FDR-PLSR模型; (c): 全部粒径CARS-PLSR模型;(d): 1~2 mm CARS-PLSR模型; (e): 0.5~1 mm CARS-PLSR模型; (f): 0.25~0.5 mm CARS-PLSR模型;(g): 0.1~0.25 mm CARS-PLSR模型; (h): <0.1 mm CARS-PLSR模型; (i): <1 mm CARS-PLSR模型