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Blue gramn (Bouteloua gracilis) is often difficult to establish by direct seeding, but in many cases it can be established on some critical areas by sodding. Best results were obtained by: (1) transplanting the sod early in the season (May or June), (2) cutting the sod about 5 cm thick and keeping it flat in transit, (3) pre-wetting the sod before cutting if the soil was not already wet, and (4) irrigating the sod immediately after laying and preferably an additional two times during the following week. Establishment depended mainly on development of new adventitious roots which were produced only on recently developed tillers. Sod transplanted in May and June produced the most new adventitious roots; sod transplanted in June and July had the greatest rate of adventitious root elongation; and sod transplanted in June produced the greatest total length of new adventitious roots per sample. Blue grama (Boutelouu grucilis) is often difficult to establish from seed (Bement et al. 1965, Hyder et al. 1971). Seedlings frequently fail to produce adventitious roots and thus are unable to survive (Wilson and Briske 1979). Establishing blue grama from sod holds considerable promise and has a definite place when prompt revegetation of relatively small die-off or blow-out areas is needed. Sod can be used on sites too raw or steep for conventional seeding and on sites where quick cover is needed to prevent erosion. Sod can also be used for rehabilitation of small disturbed areas, for establishing vegetation on special-use areas such as recreation areas, or for native species landscaping. If sufficient need arises, equipment suitable for harvesting and spreading blue grama sod on a larger scale will undoubtedly be developed. Results from sodding blue grama have been erratic. Therefore, we established a series of small-plot experiments to determine how to best establish blue grama with sod. One of the experiments is reported here.

Using Blue Grama Sod for Range Revegetation