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- *lr 'isr*.Jebrig such as rocks, roots orace. Broadcasted seed shafl inch (between 1/2 and 1 inch <br />mulch Is applied. <br />uted by a mechanical or <br />Itipacking, harrowing or <br />jed and fertilizer in slurry <br />shall provide continuous <br />jous, non-fhwtuating flow <br />^ing or hand raking. <br />seed Is sown. The mulch shall <br />ilose blown or hand applied at a <br />r. or 1,500*2.0CX) Ibs./ac. for the <br />j satisfactory to the engineer for <br />all be anchored by a netting <br />black polypropylene extruded <br />weight of 2.6 pounds per 1,(XX) <br />: to Economy Erosion Control <br />>et, St. Paul, MN 55101. <br />t staggered centers, except on <br />1 1 to 2 foot spacings along the <br />4-6 inch overlap with the net on <br />pies Inserted flush with mulch or <br />f <br />May 15 and July 1 and August 1 <br />srmanent mixture listed in 3.7. No <br />mnanent mixture. <br />September 15 to November 1, the <br />insisting of 10 pounds per acre <br />and seeded and harrowed. After <br />m ■ <br />■■■■■■ <br />i'"' y£s <br />W::V . > .w <br />vr -. v^: .:a. Dormant sei ngs are made ^ter sod temper^ifiBi are cod enoug prevers germmation. Procedures for applying needed Ime ai^ fertuiseccfoed preparation, seeding arxl rnddiinQ are the same as during other seedirx]b. An dfomate method trf ckymarn seedng is to a^fofy neeCte time and fertiTzer, prepare a seedbed, arfo and arwhor rniicn. Sow seed as a dorm«Tt sae dfog cnv the nxilch dixing foe time period shown In foe Optimum Seedfog Period Table. Do not seed on ice, or snow deeper than <br />2inchas. Dod^ seeding rates when usrtg this method. <br />3.13 Optimum Seedrg Period <br />Rrasa/Le<;njme Soedes _QsmmEi <br />Cod Season Grasses <br />Warm Season Grasses <br />Alfalfa; Red Qover <br />B^foot Trefoil; <br />Crownvetch <br />4/1-5/50 <br />5/15-6/20 <br />4/1-5/20 <br />8/1-9/15 <br />8/1-8/20 <br />4/1-5/20 <br />3.14 Estabfohment Management <br />a. Control undesirable broadlaaf weeds, weedy grasses and woody plant <br />dOTie before foe weeds begin togrowth as needed. Clipping should be done before foe weeds begin to <br />compete for mdsture and pnor to waed seeds maturfog. <br />b. Herbicides may be used to confol some species of weeds. Optimumi <br />control will be obtained when weeds are in early growth stages. Herbicide <br />applications should be cMayed until grasses re^h foe three-leaf stage. <br />Do not apply herbicides to seeding mixtures ti^t include legume. <br />Herbicides shafl be applied in accordance with eBjfoorized, registered uses <br />and directions on foe label. The individual who applies herbicides is <br />responsible for complying with federal.state and local laws and regulations <br />goverrung foe use of herbicides. <br />4.0 General Recommendations in The Establishment Of Grass: <br />Seedbed Preparation - Area to be seeded should be well worked: the same as for <br />a standard lawn seeding. Harrow or pack the seedbed prior to seeding to break up <br />large clods and firm foe seedbed. The prepared seedbed must be soft enough to <br />permit covering the seed and anchoring mulch yet firm enough to prevent burying <br />seeds too deep. For example, the soil should be firm enough to support the weight <br />of a person without sinking into the soil more than 1/2 inch. The entire seedbed <br />should be uniform, friable and well packed. In some cases, heavy land roller or cultl- <br />packer may be needed to get the desired compaction. <br />mmmmcmmi