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How plants utilize nitrogen (N)

For nitrogen to be fully utilized, it must be properly balanced with P, K or S and macro and micronutrients. If the soil is deficient in macro or micronutrients, much of its available nitrogen (N) could become surplus. This unused nitrogen can leach into the groundwater and find its way into waterways, wells etc. Before applying a fertilizer conduct a soil test to determine the soil nutrient requirements and pH level.