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9 <br /> the superior suitability of Sand bluestem for reclamation <br /> seedings in the sandy soils at the mine . <br /> Blue grama <br /> Blue grama had an important standing in the <br /> seedings sampled . It is considered a secondary component <br /> of the climax vegetation of the Deep Sand range sites of <br /> Eastern Colorado with S C S descriptions and range condition <br /> guides listing Blue grama with no more than ten per cent <br /> of the species composition by weight. The establishment <br /> of Blue grama on the reclamation seedings has been remarkable <br /> on the ' 86 RA . The eight per cent cover and six per cent <br /> biomass give it a fair to good evaluation. This is probably <br /> attributable to the excellent "Lovington" plant materials <br /> selection. Why Blue grama had the low ranking of three per <br /> cent and one per cent for cover and biomass in the ' 85 RA <br /> is not known from this study. <br /> Sand dropseed <br /> Sand dropseed, the "rescue" grass of the Great <br /> Plains moves in rapidly on sandy lands in the process of <br /> plant succession. Regardless of whether Sand dropseed is in <br /> the seeding mixture or not, it will become a major member <br /> of the stand . Seed in the pellets of jackrabbits is a <br /> primary means of migration of Sand dropseed into barren <br /> sandy lands . In the sample plots it was the principal grass <br /> consumed by rabbits . Sand dropseed was not appreciable <br /> in the 1988 evaluation with cover percentages of 2 . 5 to 8 . 0 <br /> and biomass 2 . 0 tp A . O . Significant increases in production <br /> cf Sand dropseed can be expected over the near future. <br />