Influence of applied copper and other micronutrients on groundnuts (Arachis hypogaea) and sorghum (Sorghum bicolour) on Malaysian oligotrophic peat. ta [Internet]. 1979 Jan. 30 [cited 2025 Apr. 24];56(1). Available from: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2921