The Effect of Subsoil Manuring for Oil Palm Planted on Alluvial Soil
The shortage of workers in the oil palm industry caused some oil palm planters to practice the subsoil fertiliser placement to reduce the frequency of fertiliser application. The fresh fruit bunches (FFB) yield obtained from the subsoil fertiliser application was 4.52 t ha–1, which was 13% lower than when fertiliser was broadcasted. Hence, it is […]