赣南脐橙果园土壤全氮和有机质近红外漫反射光谱检测

刘燕德; 熊松盛; 陈洞滨

doi:doi:10.3964/j.issn.1000-0593(2013)10-2679-04

光谱学与光谱分析, 2013, 33 (10): 2679, 网络出版: 2013-10-23

赣南脐橙果园土壤全氮和有机质近红外漫反射光谱检测

Estimation of the TN and SOM Contents in Soil from GAN NAN Navel Orange Plant Area by NIR Diffuse Spectroscopy

论文大纲

刘燕德 ^*熊松盛陈洞滨

作者单位

华东交通大学光机电技术及应用研究所, 江西南昌330013

近红外全氮有机质偏最小二乘法 Near infrared TN SOM PLS

摘要

选取赣南脐橙果园土壤作为研究对象, 探讨在4 000～7 500 cm-1范围内的光谱分析土壤全氮和有机质的可行性。采集的近红外光谱采用多元散射校正、一阶微分、二阶微分、七点平滑等多种预处理对比分析, 分别建立了有机质和全氮含量偏最小二乘模型。实验得出全氮预测模型在4 000～7 500 cm-1范围内采用七点平滑（SG）进行预处理模型较为理想, 校正集相关系数(rc)为0.802, 校正均方根误差(RMSEC)为2.754, 预测集相关系数(rp)为0.715, 预测均方根误差(RMSEP)为3.077; 有机质预测模型在4 000～7 500 cm-1范围内采用标准正态变量变换(SNV)预处理模型较为理想, rc为0.848, RMSEC为0.128, rp为0.790, RMSEP为0.152。研究表明近红外漫反射光谱可快速用于赣南脐橙果园的土壤中全氮和有机质含量的快速检测。

Abstract

The soil sampled from GAN NAN navel orange plant area was selected as research object, and the feasibility of analyzing the total nitrogen (TN) and soil organic matter (SOM) of soil was investigated by near infrared spectroscopy（NIR）techniques in the wavelength range of 4 000～7 500 cm-1. Different pretreatment methods including multiplicative scatter correction（MSC）, first derivative（1st D）, second derivative（2nd D）, Savitzkv-Golay（SG）, standard normalized variate（SNV）and baseline were used. The partial least square regress (PLS) was built for the calibration models. The best TN model using SG pretreatment features the prediction correlation coefficients（rc）of 0.802, the root mean square error of calibration (RMSEC) of 2.754, the calibration correlation coefficients（rp）of 0.715, and the root mean square error of prediction（RMSEP）of 3.077 in the wavelength range of 4 000～7 500 cm-1. The best SOM model using SNV pretreatment has rc of 0.848, RMSEC of 0.128, rp of 0.790, and RMSEP of 0.152. The results showed that the NIR diffuse reflectance can be used for quick estimate of the TN and SOM contents in soil with the wavelength range of 4 000～7 500 cm-1.

参考文献

[1] ZHANG Juan-juan, TIAN Yong-chao, YAO Xia, et al（张娟娟, 田永超, 姚霞, 等）. Acta Pedologica Sinica（土壤学报）, 2012, 49(1): 50.

[2] YUAN Shi-lin, MA Tian-yun, SONG Tao, et al（袁石林, 马天云, 宋韬, 等）. Transactions of the Chinese Society for Agricultural Machinery（农业机械学报）, 2009, 40: 150.

[3] CAI Jian-hua, WANG Xian-chun, HU Wei-wen（蔡剑华, 王先春, 胡惟文）. Transactions of the Chinese Society for Agricultural Machinery（农业机械学报）, 2010, 41(9): 182.

[4] LI Jie, ZHANG Xiao-chao, YUAN Yan-wei, et al(李颉, 张小超, 苑严伟, 等). Transactions of the Chinese Society of Agricultural Engineering(农业工程学报), 2012, 28(2): 176.

[5] ZHOU Shu-ping, CHENG Gui-min, LI Wei-hong, et al(周淑平, 程贵敏, 李卫红, 等). Journal of Anhui Agri. Sci.(安徽农业科学), 2007, 35(26): 8254.

[6] XIAO Wu, LI Xiao-xian, LI Pei-wu, et al(肖武, 李小显, 李培武, 等). Transactions of the Chinese Society of Agricultural Engineering(农业工程学报), 2009, 25(3): 33.

[7] HU Yong-guang, LI Ping-ping, WU Cai-cong, et al(胡永光, 李萍萍, 吴才聪, 等). Transactions of the Chinese Society of Agricultural Engineering(农业工程学报), 2009, 25(Supp. 2): 240.

[8] CEN Yi-lang, SONG Tao, HE Yong, et. al(岑益郎, 宋韬, 何勇, 等). Journal of Zhejiang University（浙江大学学报), 2011, 37(3): 300.

[9] HAN Xiao-ping, WANG Pei-hua, CUI Chuan-jin, et al(韩小平, 王沛华, 崔传金, 等). Transactions of the Chinese Society of Agricultural Engineering(农业工程学报), 2010, 26（6）: 47.

[10] CHEN Zhen(陈祯). China Rural Water and Hydropower(中国农村水利水电), 2011, 2: 65.

刘燕德, 熊松盛, 陈洞滨. 赣南脐橙果园土壤全氮和有机质近红外漫反射光谱检测[J]. 光谱学与光谱分析, 2013, 33(10): 2679. LIU Yan-de, XIONG Song-sheng, CHEN Dong-bin. Estimation of the TN and SOM Contents in Soil from GAN NAN Navel Orange Plant Area by NIR Diffuse Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2013, 33(10): 2679.

赣南脐橙果园土壤全氮和有机质近红外漫反射光谱检测

关于本站 Cookie 的使用提示

全站搜索

赣南脐橙果园土壤全氮和有机质近红外漫反射光谱检测

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索