Shil, Nirmal C., Khairul M. Alam, Mohammad A. Saleque, Muhammad R. Islam, and Mohammad Jahiruddin. 2021. “Quantity-to-Intensity (Q/I) Relationships Can Efficiently Characterize Intensively Cultivated Agricultural Soils in Bangladesh for Better Potassium Supplying Capacity”. Spanish Journal of Agricultural Research 19 (2), e1103. https://doi.org/10.5424/sjar/2021192-15746.