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<br />hole are dependent upon the size of the plant and, in particular, <br />• its root structure. The hole must be wide enough that the roots can be <br />placed in the hole and spread widely with some extra room for expansion. <br />The depth of the hole should be such that the plant, when placed loosely <br />in the hole, will have the point where the shoot and the root structures <br />diverge at ground level. <br />The plant is then placed in the hole and the roots spread <br />loosely about the lower portions of the hole. Then a small amount of <br />a mixture of plant growth medium and high humus material is placed <br />around the ends of the roots. This mixture should be about <br />2 parts high humus material to one part plant growth medium. The <br />material is then packed loosely about the roots. <br />The hole is then filled with the plant growth medium <br />• including any fertilizers that might be needed to bring the medium <br /> up to a satisfactory nutrient level. Large rocks in the material <br />excavated from the hole should be removed prior to backfilling. Any <br />deficiencies in the fine component would have to be made up from <br />nearby areas. As the material is placed in the hole the medium should <br />be compacted lightly to remove gross air voids. <br />The soil, once replaced in the hole, should be firmly <br />compacted by foot. At this point a shallow depression is excavated <br />around the base of the plant and the material removed formed into a <br />low ring around the perimeter of the depression. The function of the <br />depression is to capture water, hold it on site, and allow it to <br /> <br />P-E-21* <br />