Is it a waste to apply sulphate of potash fertilizer (SOP) on oil palm instead of potassium chloride (KCl) due to its higher cost ?
Honestly, using sulphate of potash (SOP, Kâ‚‚SOâ‚„) on oil palm is not necessarily a waste, but whether it’s worth the higher cost compared to potassium chloride (KCl) depends heavily on…