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2025 Design & Master Plan - South Dakota State University

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planting methods<br />

Use suitable topsoil to establish finished grades in plant beds, maintaining<br />

minimum recommended topsoil depths. Leave room in the plant beds for the<br />

addition of compost. Till plant beds to a 12 inch depth. Add compost material<br />

as recommended, tilling it into the top 8 inches of the topsoil. Smoothly<br />

outline the edges of all planting beds where indicated on the plans. Rake the<br />

soil surface smooth and lightly compact. Set out all plantings beginning with<br />

the tree, shrubs, then perennials. Adjust spacing as necessary and install<br />

plantings.<br />

Refer to typical shrub and perennial planting detail in Figure 10.2.<br />

mulch<br />

All mulch to be used on campus shall be a shredded hardwood mulch placed<br />

directly on the prepared topsoil plant beds (no weed barrier fabric or plastic).<br />

Mulch shall be clean, fresh, and free from soil, rocks, diseased material and<br />

foreign organic and nonorganic matter.<br />

Mulch for tree and shrub beds shall be 3 to 4 inches deep after settlement.<br />

figure 10.2: typical shrub and perennial planting detail<br />

Mulch for perennial beds shall be 2 to 3 inches deep after settlement.<br />

a:16

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