High-potassium fertilizer boosts rice yields in low-potassium soil.
The study aimed to find the best amount of high-potassium fertilizer for growing rice in soil with low potassium levels. Different fertilizer combinations were tested, and the one with 200 kg/ha of 15-10-18 NPK and 200 kg/ha of urea resulted in the highest yield of 7.63 tons/ha. This combination also had the best economic return, making it the optimal choice for low-potassium soil.