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Chapter 8 <br /> Installation and <br /> Maintenance onsi era ions <br /> y.. <br /> 16 <br />'e <br /> r <br /> reea <br /> Proper site preparation is critical to any native planting, whether it is a garden planting or <br /> restoration. Compacted soil and invading weeds can doom a project if care is not taken at <br /> the outset to give plants a healthy start. <br /> Soil Compaction <br /> Even native species are not adapted to send roots into compacted soil, which impedes plant <br /> = growth by blocking the flow of water and nutrients through the soil. Soil should be loosened <br /> up before planting, if necessary with a chisel plow- a 3-foot long tooth that is dragged <br /> L through the ground. In new developments, every effort should be made to keep the building <br /> footprint as small as possible and to keep heavy equipment outside the drip line of trees that <br /> I' all n will remain on the site. <br /> �d <br /> • Science Museum of Minnesota Plantings <br /> photo by Libby Johnston <br /> 49 <br />