References
[1] An Jiaqi, Fan Pengzhi, Zhang Yu, et al. Determination of soil available potassium content by atomic absorption spectrophotometer [J]. Journal of Agricultural Engineering Technology, 2019, 40(11): 46-47. (in Chinese)
[2] Wang Ronghui, Bai Dong, Zhang Lu, et al. Simultaneous determination of exchangeable calcium, magnesium and available potassium in soil by ICP-OES [J]. Zhejiang Agricultural Sciences, 2019, 62(09): 1853-1856.
[3] Direction, Wang Wencai, Jin Xiu, et al. Detection method of soil available phosphorus by visible near-infrared spectroscopy [J]. Jiangsu Journal of Agricultural Sciences, 2019, 35(05): 1112-1118. (in Chinese)
[4] QI Peishan, Zhu Pengsheng, & Xie Tianyao. Rapid and sensitive detection of available phosphorus in soil based on non-contact conductance detection and online enrichment technology [J]. Journal of Analysis and Testing, 2012, 41(05): 787-791.
[5] Azabdaftari A & Sunarb F. Soil salinity mapping using multitemporal Landsat data [J]. The International Archives of the Photo-grammetry, Remote Sensing and Spatial Information Sciences, 2016, 7: 3-9.
[6] Lamine S, Petropoulos GP, Brewer PA, et al. Heavy metal soil contamination detection using combined geochemistry and field spectroradiometry in the United Kingdom [J]. Sensors, 2019, 19(4): 762.
[7] Bai Qing-Hong, Jiang Ying, Liang Qi, et al. Improvement of soil organic matter detection method and process optimization [J]. Guangdong Chemical Industry, 2019, 46(05): 91-92. (in Chinese)
[8] Duan Ailing, Han Zhangxiong, Huang Yan, et al. Determination of ammonium nitrogen in soil by indophenol blue colorimetry [J]. Contemporary Chemical Industry, 2021, 50(12): 2861-2864. (in Chinese)
[9] GAO Jingyi, Zhao Xiuping, Wang Zongyi, et al. Rapid determination of 5 heavy metals in water-soluble fertilizer containing alginate by energy dispersive X-ray fluorescence [J]. China Soil and Fertilizer, 2022, (12):238-242.
[10] Zhang Xin-Yu, Chen Fang, Hao Xiaoli, et al. Rapid detection of soluble humic acid in mineral-derived humic acid fertilizer [J]. China Soil and Fertilizer, 2021, (4): 358-362. (in Chinese)
[11] Xie Yujun, Li Yanmeng, & Wei Jianqiang. Simultaneous determination of available potassium and exchangeable calcium and magnesium in soil by oscillating extraction inductively coupled plasma emission spectrometry [J]. China Soil and Fertilizer, 2020, (3): 224-227.
[12] Zhu Fubin, Ding Shiwei, Gan Xiaoyu, et al. Prediction of soil available potassium distribution in cultivated land in Anqing City based on three spatial prediction methods [J]. China Soil and Fertilizer, 2021, (1):1-8.
[13] Guo Wenmiao, Xin Yu, Zhang Jinyao, et al. Determination of ammonium nitrogen in water samples by indophenol blue colorimetry with full-wavelength scanning multifunctional reading instrument [J]. China Soil and Fertilizer, 2018, (4):166-170.
[14] Li Xue, Fan Zhongqing, Gao Han, et al. Construction of rapid soil organic matter detection model based on hyperspectrum [J]. Journal of Shandong Agricultural University (Natural Science Edition), 2021, 52(5): 833-839. (in Chinese)
[15] Niu Fangpeng, Li Xinguo, Jin Wangui, et al. Estimation of soil organic matter content in lakeside oasis on the west bank of Bos-ten Lake by hyperspectral method [J]. China Soil and Fertilizer, 2021, (1):9-16.
[16] Corn Ti Maiming & Wang Xuemei. Hyperspectral estimation of desert soil organic matter in the northern margin of Tarim Basin [J]. China Soil and Fertilizer, 2021, (4): 318-326.
[17] Zhang Xiaoyu, Yao Yanmin, & Yan Xiangzhao. Effect of spectral transformation and spectral resolution on estimation accuracy of soil organic matter content [J]. China Soil and Fertilizer, 2023, (3):184-193.