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TABLE 2 <br />PRODUCTIVITY ESTIMATES FOR THE HAYFIELD VEGETATION TYPE, <br />EMPIRE ENERGY CORPORATION, CRAIG, COLORADO, 1979 <br />Relative Productivity <br />Plant Species x Cover (Kg/ha) <br />DOMINANT SPECIES <br />Bromus iaermis 34.95 281.33 <br />Agropyron repeas 23.53 189.40 <br />Hedicago saliva 8.82 71.00 <br />Helilotus officinalis 8.48 68.26 <br />Total 75.78 609.99 <br />NONDOMINANT SPECIES <br />Cirsium corodensis 5.36 43.14 <br />Salsola kali 4.67 37..59 <br />Bromus secaliaus 3.46 27.85 <br />Centaurea repeas 3.46 27.85 <br />• Aster spp. 1.90 15.29 <br />Glycyrrhiza lepidota 1.21 9.74 <br />~ Planrago spp. 0.69 5.55 <br />Salix exigea 0.69 5.55 <br />Agropyron rictalum O.h9 5.55 <br />Agropyron iatermedium 0.69 5.55 <br />Grindelia squarrosa 0.35 2.82 <br />Poa pratensis 0.35 2.82 <br />Tragopogon dubius 0.35 2.82 <br />Equisetum laevigatum 0.35 2.82 <br />Total 24.22 194.94 <br />GRAND TOTAL 100.00 804.94 1/ <br />1/ Total does not add to 804.94 due to rounding error. <br /> <br />3-4 <br />