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Table E -4. Fertilizer Application <br />FERTILIZER <br />STANDARD <br />!RATE <br />LBS /ACRE <br />Diammoniurn phos.phate (18 -46 -0) <br />250 <br />(46 -53% available'P2O5 with 18 -21 % <br />N) <br />Fertilizer will not be used near the edge of the reservoir, since the .possibility of <br />nitrate contamination in the pond water exists. The total disturbed area to be <br />seeded is approximately 8.21 acres. The total area to be fertilized is <br />approximately 8.21 acres. Seeding and fertilizing will be completed after the <br />overburden and topsoil is replaced, smoothed to conform to the existing <br />topography and disked. Optimal periods of seeding are in the fall (after <br />November 1st) or in the spring from late March up to April 30th. Mulching will not <br />be completed as the quality soils and availability of water should facilitate the <br />rapid establishment of,perennial grasses. <br />Following revegetation, weed management strategies will be implemented to <br />facilitate and achieve native grassland. Years 1 thru 5 following revegetation will <br />include an aggressive mowing program to prevent the growth and establishment <br />of weeds, specifically, eight noxious weeds including: Canada thistle (Cirsium <br />arvense), ,Dalmation toadflax (Linaria dalmatica), diffuse knapweed (Centaurea <br />diffusa), leafy spurge (Euphorbia esula), musk thistle (Carduus nutans), :Russian <br />knapweed (Centaurea repens), spotted knapweed (Centaurea maculosa) and <br />Yellow toadflax .(Linaria vulgaris) as mandated by Colorado State 'Law (35- <br />5.5CRS1990, 1996). If needed, 'herbicide application will be applied as needed <br />to further control these weeds. Herbicides will -also be used to control salt cedar <br />(Tamarix spp.) if it becomes established in the reclaimed area. Table E -5 <br />presents recommended herbicides, application rate, and time of application for <br />each of the ,9 species. It maybe necessary to :replant treated areas. <br />