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21 February 2024 The spatial variability of tobacco’s water-soluble total sugar content and soil fertility factor in tobacco planting fields in central Henan Province
Haisheng Chen, Fang Fang, Jiancheng Zhang, Yuan Wang, Jionghao Lu, Binyu Cai, Changxin Su
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Proceedings Volume 12988, Second International Conference on Environmental Remote Sensing and Geographic Information Technology (ERSGIT 2023); 129880U (2024) https://doi.org/10.1117/12.3024508
Event: Second International Conference on Environmental Remote Sensing and Geographic Information Technology (ERSGIT 2023), 2023, Xi’an, China
Abstract
With the support of geostatistics and GIS, this study investigated the spatial variability of water-soluble total sugar content and soil fertility factor in a flue-cured tobacco producing area in central Henan Province, with the semi-variance function. The best unbiased linear interpolation was performed by the ordinary Krings method. The result indicated that the average water-soluble total sugar content in flue-cured tobacco leaves from the research regions was 23.82%, with a growing distribution trend from southeast to northwest. The amount of water-soluble sugar in this region’s tobacco leaf was consistent with the exponential model, accompanied by an auto-correlation distance of 39600m. The C0 /C0+C of the semi-variance variogram was 0.16, and the spatial variability was mainly influenced by structural factors. Among the soil fertility factors, total phosphorus, available nitrogen, and available potassium had moderate spatial variability, while soil pH, cation exchange capacity, and organic matter content showed weak spatial variability. The water-soluble total sugar content of tobacco leaves in this area was highly positively correlated with soil pH cation exchange capacity and available potassium, but it had an exceedingly negative correlation with soil available phosphorus, according to the correlation analysis. The findings of this study can provide a basis for the precise fertilizer application in this tobacco-growing area.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Haisheng Chen, Fang Fang, Jiancheng Zhang, Yuan Wang, Jionghao Lu, Binyu Cai, and Changxin Su "The spatial variability of tobacco’s water-soluble total sugar content and soil fertility factor in tobacco planting fields in central Henan Province", Proc. SPIE 12988, Second International Conference on Environmental Remote Sensing and Geographic Information Technology (ERSGIT 2023), 129880U (21 February 2024); https://doi.org/10.1117/12.3024508
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KEYWORDS
Potassium
Soil science
Nitrogen
Phosphorus
Statistical analysis
Spherical lenses
Autocorrelation
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