Plants usually absorb most nutrients from the soil. A foliar spray was invented to supplement nutrients in the soil by spraying the nutrients directly on the leaves of the plant. A small opening in the leaves allows the nutrients to enter the plant.
Why was this process invented?
To enable a precise way to add nutrients to plants. Also, plants may have difficulty absorbing nutrients from the soil.
When can’t plants absorb nutrients from the soil?
Not all soil is the same. The amount of organic material, the pH, temperature, amount of water, and presence of pest and disease can all affect how a plant absorbs nutrients.
Did you know that the Amazon rainforest has nutrient-poor soils? But it has the most biodiversity on the planet. This occurs because the nutrients are being used in living tissue, or are locked up in the dead organ