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E~^~ Underl States e t'. .+`1 ~1;, Department of \1L~ AgncWture -3- ~6 North Colorado S°ii Gunnison CO 81230 Conservation Service d) Small amounts of fertilizer (as outlined on the CO-ECS-S) could also be added and incorporated into the soil at this time, or more preferably in the spring and summer immediately following seeding. Fertilizer application will also greatly improve probability of seedling success and good stand establishment. e) Any banks or other slopes of moderate or greater degrees should be worked within reason to provide as minimal a slope as possible, preferably 3:1 or less. If steeper slopes must be vegetated, erosion control measures such as small terraces or benches, contour ditches or furrows, or other structures may be necessary to prevent surface erosion and sloughing during plant establishment. f) If possible, all roads and other similarly disturbed areas should be graded or reworked so as to blend into or approximate the surround- ing landscape as closely as possible. Any man-made ditches or other drainages should be filled or structured such that water erosion xill be prevented or minimal. 4) Seeding mixture recommendations are provided for two phases of the overall project: e.) seeding done during project operation (top- soil reserve, progressive backfill areas, etc.); b.) seeding done after project completio^ as final reclamation. This differentiation takes into account the probable increased use of the area by livestock end/or wildlife after project completion. Both recommended geed mix- tures, for their intended purpose, are felt to best represent an opti- mum conbination of factors such as ease of establishment, soil holding and stability characteristics, forage value, low maintenance after establishment, commercial availability in the local or regional area, end tolerance of low-moisture conditions. Please refer to form CO-ECS-S (attached) for recommended species and seeding rates by project phase. Use of all or even a majority of n ative species is not feasible or practical for the above stated reasons. 5) If supplemental water is available at the time of seeding, spring planting (May-June) should be satisfactory. The seedbed should be kept moist but not over-watered until germination and seedling estab- lishment is proceeding well. Water should be provided sufficient only to keep the plants from undergoing water stress or wilting, so that root systems will develop deeper and rely more heavily on natural soil moisture. If no water is availabbe to provide such limited irrigation at time of seed germination, seeding should preferably be done in late fall (Oct.-Nov.) after freezing soil temperatures but prior to permanent winter snowfall. Seeds will be dormant over winter and germinate the following spring, using snowmelt moisture. 6) As noted on form CD -ECS-5, if seed is drilled rather than broadcast, O Tne Soa Gonserv ef~on Service U is en epanq of me DeoerimeN of Apnc uliwe