There are several douglas fir trees in my lawn that keeps dropping pine
cones. There is no machine to remove them from the lawn; it requires manual
Is there some fertilizer I can feed the tree to make it drop fewer cones?
Try hydrogen sulfate
Under the right pH conditions the hyudrogen will be released, the cones will
absorb the hydrogen, become lighter-than-air and drift away to your
neighbor's yard. Problem solved.
Trader can tell you how to adjust the pH.
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