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subgrade will be loosened by using either a disc or plow. In addition, the subgrade is <br /> to be a component of the plant growth material. As such, additional manipulation <br /> of the subgrade may be necessary. Such additional manipulation could include <br /> ripping, application of soil amendment, disking in available plant growth material, <br /> harrow application, etc. Once topsoil is replaced, it will be prepared for seeding <br /> using typical seedbed preparation techniques. (Seepage 43b) Fertilizer will be <br /> applied based on soil tests. Soil test will be done once the subgrade is exposed and <br /> prior to any seed bed preparation.. <br /> (iii) State the grass, forb and tree species to be planted and the application <br /> quantities. Specify the quantity of each grass and forb species as pounds of <br /> pure live seed per acre: <br /> No trees or shrubs are to be planted. <br /> SPECIES VARIETY RATE <br /> PLS lb/ac <br /> Sand bluestem Woodward 2.5 <br /> Switchgrass Nebraska 28 2.5 <br /> Prairie sandreed Pronghorn 2.0 <br /> Alkali sacaton - 2.0 <br /> Big bluestem Kaw 2.5 <br /> Canada wildrye Manadan 2.5 <br /> Western wheat ass Barton 3.0 <br /> Blue grama - .75 <br /> Purple prairie clover - 0.005 <br /> Total: 17.755 <br /> *Double the drill seeding rate to obtain broadcast seeding rate. <br /> (iv) Specify the application methods for grass and forb seeding, drill seeding <br /> or broad cast: <br /> • Drill seed using a drill with separate seed bins for small seed and the drill <br /> should have an agitator and depth bands. <br /> • This is an example seed mix. The vendor may not have the variety listed. In <br /> that event, the next most appropriate variety will be used. <br /> (v) If mulch is needed, specify the kind to be used, the crimping method, and <br /> rate of application: <br /> Certified weed free straw mulch will be applied at a rate of two tons per acres, <br /> crimped in two directions. <br /> 42 <br />