Excessive fertilization does not equate to greater crop yields. Crop yields are optimized when nutrients are efficiently used, which requires fertilizer applications to be based on the right source, the right time, the right rate, and the right placement. These are referred as the four Rs of fertilizer management, whose purpose is to supply plants’ nutrient requirements, reduce production costs, and mitigate environmental impact.
Status and Revision History
Published on May 04, 2020