2005-08-31_REVISION - M1987097 (2)

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Additional Criteria to Rastoro Degracfad Sites If gullies or deep ells are present, :hey wul be treated, if leasibte. to allow equipn,onl operation and ensure proper sAe antl seedbed preparation. Apply soil amendments as necessary to ame4orate or eLmmate physical or chemical cond~tlons Ihat mhibd plant establishment end growth Reqwred amendments such as compost or manure, agriculWral limestone or elemental yulfur shall be included ~n the sde specification v;dh amounts. timing and method of appcicatron. CONSIDERATIONS 'parr:e species or :nixes that are adapted to the sdi~ and have nuilbpla va~ues should be considered Avoid spedes that may harbor pests. Species drversdy should be considered to avoid loss of luncbon due to species-specific pests. Other conservation practices such as Dwersions. Land Smoothing. Obstruction Removal, SuAace and Sub-Surface Drains and Underground Outlets may be necessary to prepare a critical area for planting PLANS AND SPECIFICATIONS Prepare plans and specif~c:ations for ostab'ishment and operaUOn of this practice for each field or treatment unit according to the Criteria, Considarabons and Operation and Maintenance sections of this standard. Speahratlons shall describe the requlremonls for appty~ng this practice to meet the nrtended purpose. Record practice specificapons using approved specification sheets, job sheets, narrative statements in the conservator plan, or other acceptable documenlabon. The follrnving elements shall be addressed In the plan. as applicable, to meet the intended purpaso. Site Preparation Remove materials such as rocks and trash that wdl interfere wdh planting Control runoff water from the site or adjacent areas to prevent serous erosion and damage to the planting. Topsoil If sly in the critical area have Insufficient depth cu ohysical characteristics unsuitable for development of vegetative cover, spread topsrnl or soil matenal having the capabi0ly of supporting the planned vegetation over the deflcrent areas. Apply the matenal uniformly and m sufiiciont depth to support the type antl quality of vege!ative cover for the site Sources of sod materials mu~'.t he apprcveC before installatu;n Fortllizer Application Base lender and or amendment applications on sot! test recommendations and the Colorado Nutrent FAanagameni, 590 Conservation Practice Standard. If phosphonrs ~s regwred, apply and incorporate before soetling. Delay ndrogen applications until stand is established. Fertd¢er applications made w~lhout a soil test recommendation may cause excess weed grrn•.1h that wdl Inhibit stand establishment Seedbed Preparation The seedbed shall be wall settled and firm, but triable enough That seed can be places at the seedmg depths specified in "Depth of Seeding'. Sells that have bean over-compacted by traffic or equipment, especially when wet. shoultl bo Lsed to break up root restricting layers, then hercowod, rolled or packed to prepare the regwrod firm seedbed The 5eodbed shall be reasonably tree of weeds Competitive stands of woods that era present before wading must ba controlled by shallow Uuage or by application of herbicides labeled for ih~s purpose. If noxious weeds are present, plan and apply the Pest Management, 595 Conservation Practice Standard Methods of seeding Use a dnti to plant seed on slopes trial are 33 percent (3 1 J or flatter. The dell must have the capabddy of handling the kind arW applcaton rate of seed. Incorporate seed to a depth not to exceed'/. inch by raking, harrowing or othm proven method d seed wdl be broadcast appoed rather than drilled. Indian ncegrass may be planted to a depth of 2 inches on sandy loam and loamy sand soils. NRCS,CO October 2004