Podong, C. and Junta, S. 2020. Change in the Status of Secondary Macronutrient Levels in Soil with the Long-term Application of Chemical Fertilizers in Allium ascalonicum L. Plots in Lablare District, Uttaradit Province. Asian Health, Science and Technology Reports. 28, 2 (Apr. 2020), 94–110. DOI:https://doi.org/10.14456/nujst.2020.19.