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<br />~' <br />EXHIBIT E (Cont'd) <br />4. Mulch. The seed mixture does not require a mulch; <br />mulching could be a distinct deterrent to successful revegeta- <br />tion because the mulching action would keep the soils more <br />moist and somewhat cooler than desirable and could induce <br />excessive salt buildup in the soil surfaces. <br />5. Irrigation. Irrigation is not considered necessary <br />for establishment of the recommended revegetation. <br />6. Weed Control. Growth of weeds will be monitored care- <br />fully each spring Por the first two years after seeding. Severe <br />weed growth will be controlled by mowing. Chemical weed con- <br />trol will be avoided because the chemicals would kill the <br />Yellow Sweetclovcr. <br />7. Trees. Native species are expected to invade the <br />affected land. The operator expects to plant approximately <br />300 bare-root cottonless cottonwoods (not Siouxland variety) <br />along the north, northeast and northwest perimeters of the <br />lake. In addition, approximately 200 bare-root Russian Olives <br />will be planted along the south property line. <br />8. Grazing. No horse, cattle and sheep grazing will be <br />permitted during the first two or three years because grazing <br />would damage the young plants. <br />9. Native Invaders. A number of species can be antici- <br />pated to invade the area rather heavily in the first five to <br />seven years. Most will invade along the lake shores. Willow, <br />Tamarix and saltgrass can be expected to invade strongly in <br />the wet and saline areas. Also, Cattails and Reeds will invade <br />-19- <br />