Quote:
Originally Posted by edwmax
It doesn't have to! Calcium is absorbed direct into the leaf were it is needed. This is the advantage of foliar spraying.
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No, because the leaves that you spray are not growing. The growing leaf is rolled up inside the pseudostem, growing from a meristem near ground level. By the time the roll emerges from the top of the pseudostem, where it can be sprayed, it is already deformed.