Potassium fertilizer should be applied to red-brown-purple soil especially paddy soil to supplement and maintain the K level in soil.

Joseph Montanaro, a financial planner with financial-services company USAA, says if necessary, reduce your 401 (k) account contributions to the level at which you receive the full employer match.

There was difference or significant difference between P level application treatments, difference appeared in some individual year for the N, K treatments.