The necessary plant food is best supplied by stable
manure applied at the rate of ten loads per acre for a light
application to twenty loads per acre for a heavy application. This
amounts to a load for from two to five mature
trees. Such an
application will not only go far toward supplying the necessary
nitrogen, phosphoric acid, and potash, but especially if coarse will
add considerable humus and improve the physical condition of the soil.
Except on land which washes badly, manure should be applied in the
fall and winter. It should not be piled near the trunk of the tree but
spread uniformly over the entire surface of the ground. It is
particularly important to spread the manure under and beyond the
farthest extent of the branches as this is the most important feeding
root area of the tree.
Previous: Elements Of Fertility
Next: Commercial Fertilizers
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