@article{202403.1520,
	doi = {10.20944/preprints202403.1520.v1},
	url = {https://doi.org/10.20944/preprints202403.1520.v1},
	year = 2024,
	month = {March},
	publisher = {Preprints},
	author = {Chawaroj Jaisin and Suphathida Aumtong and Charkit Chotamonsak},
	title = {Using Optical Sensor Applied to Rapid Soil Test Kit for NH4+ and NO3- in Soil},
	journal = {Preprints}
}