Effect of the 32nd-year Soil Tillage and Nitrogen Fertilization on the Population and Biomass of Earthworm under Zea mays L. j Trop. Soils [Internet]. 2021 May 31 [cited 2025 Nov. 17];26(2):105-13. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/451