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S -15- ~CIIIIIIT D (2 of 2) E?r.ti.lize>:: ~•lanure ran be spread on the prepared surface at the rate of 30 tens per acre; or nitrogen (N) and phosphorus (P205) fertilizer can be applied and incorporated at a rate .if 40 lbs. per acre, each. Tirne of application should be immediately prior to seeding. If nitrogen and phosphorus are applied, a native hay or stra!u mulch !Dill ha~re to be spread and crimped into the soil at a rate of 4000 ibs. per acre after fertilizing. P1u7ch should sticla 6" out of the soil. Thos? measures will help control !wind and water erosion until grass 6ecornes established. Cir3SS_$£?S11I13: The seedbed should be well settled and firm but friable for seed placement. Soils that have been over-compacted 6y equipment should be tilled to breal; up rooting restrictive layers, then harro!aed, rolled or pacf;ed to prepare the required firm seedbed. Grass should be drilled using a grass drill from February 15 to April 30 prior to a period of anticipated moisture and after all other treatment is completed. F.ecnmmended planting depth is lit" to 3!4". Species to be used should be: Y3L1?f1 SE._1E E'll l.~__1. •1 `!?_a_?~~3~L_ Vaughn sill?eats grams 3.15 Hachita or Illative blue grams 0.90 ,4rriba western wheatgrass 3.20 'Diva galleta (floreE) 1,20 Common sand drepseed 0,025 (see stta~.hed seeding recommendation, CO-ECS-S, Part I) Weed ~=ontrol should be maintained on the site during grass establishment. Applicable treatment can include: pre-emergence appli~ration of Ally at 1/10 ounce/acre or spraying !•,ith 2,4-D at the rate of 1I2-3J4 lb. ailacre after the grass is in the 5-leaf stag?. I~lo grazing should be allowed until there is a lush stand and nnne before at least three gre!~~ing seasons. Total area to be SBBUed should include all disturbed areas. At the end of tU/C. years the success of the seeding should be evalua3ted. If it is dotermined that .an insufficient stand of grass is Present the area should be seeded again. If I can be of further assistance please do not hesitate to contact me. Sincerely, ^~ ~j~n ~~ ~~~)~ IJorma Van I•Jostrand Range Conservationist Rocky Ferd Field Office Attact,rr~ents (4)