So, add up the diameters you got
in step 2 and multiply the above recipe by that number. For example, it
you have two trees with a 3" diameter and one with a 4" diameter,
multiply the above recipe by 10 (=3+3+4); you'll need 20 lbs. of kelp, 20
lbs. of soft rock phosphate, etc.
Step 4. Go get the stuff. It is always
nice when only one trip to the store is necessary to do one's chores. I
just hate running all over town, unless there is a sale at Buena Creek Nursery
and Cedros Gardens on the same Saturday. All of the materials that are recommended
in this column are available at Grangetto's Farm and Garden Supply in Encinitas,
Escondido, Fallbrook and Valley Center.
Step 5. Once you have returned home
with your load of goodies it is time to mix them or to apply them directly
to the soil around your trees. Apply the mixture or separate ingredients
to the soil at the "dripline" of the tree, that is, the area below
the outside perimeter of the branches. Lightly rake the materials into the
soil and water thoroughly. You can cover this with a thin layer of compost
or mulch as well.
You are DONE! Your fruit trees will
only need this feeding once a year to ensure good quality fruit and a healthy
tree. After harvest, you apply a simple nitrogen fertilizer like blood meal,
and you have given your trees the best diet they could ever ask for in this
climate. And the really great thing is that everything is 100 percent organic!
Come up and see me sometime. 
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