[1] Lodge J P. Jr. The heavy elements: chemistry, environmental impact and health effects[J]. Atmospheric Environment Part A: General Topics, 25, 1733(1991).
[2] Villas-Boas P R, Franco M A, Martin-Neto L et al. Applications of laser-induced breakdown spectroscopy for soil analysis, part I: review of fundamentals and chemical and physical properties[J]. European Journal of Soil Science, 71, 789-804(2020).
[3] Miziolek A W, Palleschi V, Schechter I[M]. Laser-induced breakdown spectroscopy (LIBS)(2006).
[4] Winefordner J D, Gornushkin I B, Correll T L et al. Comparing several atomic spectrometric methods to the super stars: special emphasis on laser induced breakdown spectrometry, LIBS, a future super star[J]. Journal of Analytical Atomic Spectrometry, 19, 1061-1083(2004).
[5] Brech F, Cross L. Optical microemission stimulated by a ruby laser[J]. Applied Spectroscopy, 16, 59-64(1962).
[6] Beldjilali S, Borivent D, Mercadier L et al. Evaluation of minor element concentrations in potatoes using laser-induced breakdown spectroscopy[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 65, 727-733(2010).
[7] Cremers D A, Radziemski L J. Handbook of laser-induced breakdown spectroscopy[M]. 2th ed. New Jersey: John Wiley & Sons Ltd.(2013).
[9] Bousquet B, Sirven J B, Canioni L. Towards quantitative laser-induced breakdown spectroscopy analysis of soil samples[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 62, 1582-1589(2007).
[10] Pontes M J C, Cortez J, Galvão R K H et al. Classification of Brazilian soils by using LIBS and variable selection in the wavelet domain[J]. Analytica Chimica Acta, 642, 12-18(2009).
[11] Yu K Q, He Y, Liu F. Discriminant analysis of soil type by laser-induced breakdown spectroscopy[J]. Transactions of the Chinese Society of Agricultural Engineering, 31, 1-7(2015).
[13] Jantzi S C, Almirall J R. Characterization and forensic analysis of soil samples using laser-induced breakdown spectroscopy (LIBS)[J]. Analytical and Bioanalytical Chemistry, 400, 3341-3351(2011).
[14] Sun C, Tian Y, Gao L et al. Machine learning allows calibration models to predict trace element concentration in soils with generalized LIBS spectra[J]. Scientific Reports, 9, 11363(2019).
[15] Sugito H, Khumaeni A, Binu Q M. Detection of heavy metal containment of soil pollution due to waste of paper industry using Nd∶YAG laser induced breakdown spectroscopy. [C]∥ The 4th International Conference on Applied Physics and Materials Application, Sep. 18-20, 2019, North Sumatera Province, Indonesia. [S.l.:s.n.], 1428(2019).
[16] Owsik J, Janucki J, Jach K et al. LIBS system for elemental analysis of soil samples[J]. Proceedings of SPIE, 5710, 138-148(2005).
[18] Hu Y, Fricke W, Schmidhalter U. Salinity and the growth of non-halophytic grass leaves: the role of mineral nutrient distribution[J]. Functional Plant Biology, 32, 973-985(2005).
[19] Gondal M A, Habibullah Y B, Baig U et al. Direct spectral analysis of tea samples using 266 nm UV pulsed laser-induced breakdown spectroscopy and cross validation of LIBS results with ICP-MS[J]. Talanta, 152, 341-352(2016).
[20] Baskali-Bouregaa N, Milliand M L, Mauffrey S et al. Tea geographical origin explainedby LIBS elemental profile combined to isotopic information[J]. Talanta, 211, 120674(2020).
[24] Atta B M, Saleem M, Haq S et al. Determination of zinc and iron in wheat using laser-induced breakdown spectroscopy[J]. Laser Physics Letters, 15, 125603(2018).
[26] Assion A, Wollenhaupt M, Haag L et al. Femtosecond laser-induced-breakdown spectrometry for C a2+ analysis of biological samples with high spatial resolution[J]. Applied Physics B, 77, 391-397(2003).
[27] Samek O, Lambert J, Hergenröder R et al. Femtosecond laser spectrochemical analysis of plant samples[J]. Laser Physics Letters, 3, 21-25(2006).
[31] Akhtar M, Jabbar A, Mehmood S et al. Magnetic field enhanced detection of heavy metals in soil using laser induced breakdown spectroscopy[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 148, 143-151(2018).
[32] Akhtar M, Jabbar A, Ahmed N et al. Analysis of lead and copper in soil samples by laser-induced breakdown spectroscopy under external magnetic field[J]. Applied Physics B, 125, 1-11(2019).
[35] Gornushkin S, Gornushkin I B, Anzano J M et al. Effective normalization technique for correction of matrix effects in laser-induced breakdown spectroscopy detection of magnesium in powdered samples[J]. Applied Spectroscopy, 56, 433-436(2002).
[36] Guo G M, Niu G H, Shi Q et al. Multi-element quantitative analysis of soils by laser induced breakdown spectroscopy (LIBS) coupled with univariate and multivariate regression methods[J]. Analytical Methods, 11, 3006-3013(2019).
[38] Wang T, He M J, Shen T T et al. Multi-element analysis of heavy metal content in soils using laser-induced breakdown spectroscopy:a case study in Eastern China[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 149, 300-312(2018).
[40] Senesi G S. Dell’Aglio M, Gaudiuso R, et al. Heavy metal concentrations in soils as determined by laser-induced breakdown spectroscopy (LIBS), with special emphasis on chromium[J]. Environmental Research, 109, 413-420(2009).
[43] Eppler A S, Cremers D A, Hickmott D D et al. Matrix effects in the detection of Pb and Ba in soils using laser-induced breakdown spectroscopy[J]. Applied Spectroscopy, 50, 1175-1181(1996).
[44] Theriault G A. Application of LIBS to in-situ assessment of metal-contaminated soils[J]. Proceedings of SPIE, 3535, 141-145(1999).
[45] Trevizan L C, Santos D. Jr, Samad R E, et al. Evaluation of laser induced breakdown spectroscopy for the determination of micronutrients in plant materials[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 64, 369-377(2009).
[46] Pouzar M, Cernohorsky T. Pr u°šová M, et al. LIBS analysis of crop plants[J]. Journal of Analytical Atomic Spectrometry, 24, 953-957(2009).
[47] Ranulfi A C, Senesi G S, Caetano J B et al. Nutritional characterization of healthy and Aphelenchoides besseyi infected soybean leaves by laser-induced breakdown spectroscopy (LIBS)[J]. Microchemical Journal, 141, 118-126(2018).
[48] Peng J Y, Liu F, Shen T T et al. Comparative study of the detection of chromium content in rice leaves by 532 nm and 1064 nm laser-induced breakdown spectroscopy[J]. Sensors, 18, 621(2018).
[49] Praher B, Palleschi V, Viskup R et al. Calibration free laser-induced breakdown spectroscopy of oxide materials[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 65, 671-679(2010).
[51] Ghoreyshi S E, Shirvani-Mahdavi H, Shoursheini S Z. A distinct approach to laser plasma spectroscopy through internal reference standard method with peak intensity-based self-absorption correction[J]. Applied Physics B, 125, 1-11(2019).