Answer:
Phosphorus
Step-by-step explanation:
Phosphorus is one of the primary elements if fertilizers as it helps the soil as well as the plant and its root to grow strong and also ensure it is resistant to disease.
Phosphorus is a very important element as it helps plants to convert other nutrients to become usable to help the plant grow. A fertilizer containing phosphorus has to be well worked into the soil before planting. In the NPK balance of fertilizers, phosphorus the highest percentage compared to other elements Nitrogen and Potassium.
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