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The fertilization of flowers and trees mostly adopts the method of digging annular grooves or radial grooves. Such methods are not only time-consuming, but also have great damage to the roots of flowers and trees. In recent years, some flower farmers have applied fertilization methods on the ground around the base of flowers and trees, which is convenient, flexible, labor-saving and time-saving, and can greatly reduce the damage to the roots of flowers and trees. More importantly, fertilization by drilling method has less fertilizer loss and can make full use of a large amount of organic fertilizer in rural areas. Generally, a specific method for drilling a permanent fertilization for 2 to 3 years: on the ground around the base of the flower and the drip line along the canopy, the drill is manually drilled 4-5 diameters 30 cm deep and 0.8~ A hole of 1 meter is then filled into the hole with leaves, thatch, pig (bovine) dung, crop straw, and the like. In order to prevent the mud from filling the hole when it rains, the hole can be covered with stones, and it is only necessary to remove the stone every time the fertilizer is applied.
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