1.
Baon JB. Use of Plant Derived Ash as Potassium Fertilizer and Its Effects on Soil Nutrient Status and Cocoa Growth. j Trop. Soils [Internet]. 2009Sep.1 [cited 2025Jul.19];14(3):185-93. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/85