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we believe the following revisions in the revegetation program <br />will be an improvement over the original permit. Because of rapid <br />lateral soil changes, we intend to sample and test extensively <br />prior to seeding and fertilizing. Results of that work may <br />require local variations of the grass mixture included here. <br />Grasses. The recommended <br />mixture calculates to be <br />The rate is applicable to <br />rate will be increased by <br />i. ~~ ' Species <br />seed mixture <br />approximately <br />drilling; if <br />75 pere~" <br />is shown below. The <br />35 PLS per square foot. <br />seed is broadcast, the <br />/) ~ .' <br />~S3 <br />~~~ # PLS/Acre M,gnv+-`'~~lli <br />5, y-;.,~>c,. Slender Wheatgrass 2.0 <br />,,~~ s~..:. Tall Wheatgrass 5.0, <br />-_.-ot!^- Western Wheatgrass / ~ 2.0 <br /> Russian Wild Rye - ~ 2.0 <br /> Switchgrass / 1.0~ <br /> Yellow Sweetclover ~...$ <br /> TOTAL 12.5 <br />!f the seed is drilled, it will be planted at about one-half inch <br />deep. If the seed is broadcast, it will be spread on fl rough <br />surface and dragged thoroughly after seeding. <br />(~ Fertilizer. As reclamation begins, the operator will collect <br />samples of the recoiling material, have the samples analyzed and <br />add fertilizers as indicated by test results. Topsoiled areas <br />should be tested again at the beginning of the second year and <br />fertilizer added accordingly since these soils may lose their <br />nutrients rapidly. <br />ao Mulch. No mulch is necessary if planting occurs at the proper <br />time and at the proper depth. Yellow Sweetclover and Russian <br />wild Rye are introduced to provide the shading a mulch would <br />provide. Both the F.ussian Wild Rye and the Yellow Sweetclover <br />will die out after three to four years and will provide a mulch <br />for later generations of the more permanent wheatgrasses. <br />o'1-Weed Control. Problem weeds will be monitored Closely each Spring <br />For the first two years to determine it they are invading the <br />area. Weed control will be initiated if the problem becomes <br />serious. Weeds will be mowed in order to avoid damage to the <br />Yellow Sweetclover; chemical treatment would probably destroy it. <br />3 <br />studies and plan. It is highly commendable. xne scarr dlsu ayycc..iu...~• _.._ _______- <br />and cooperation extended to us during our inspection. <br />