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Grass Seeding Rate
Grass seeding rate recommendations generally are based on about 20 seeds/sq. ft. The mixtures suggested range from 20 to 30 seeds/sq. ft. However, recent seeding rate experiments at Prosper and Carrington indicated that lower seeding rates may be possible when first-year productivity is not needed and excellent establishment techniques are used. Spring 1988 stands following an early fall 1987 seeding had greater than three plants/sq. ft. when seeded at five seeds/sq. ft. Forage yields in the first year after seeding increased with increasing plant density up to about 15 seeds/sq. ft. seeding rates at both locations. Forage yields at Prosper were not affected by the seeding rate in the second year of production, but forage yields at Carrington increased with increasing seeding rate up to 20 seeds/sq. ft. The primary difference between locations was that by the second year the stands at Carrington had not developed adequately to compete with the weeds at lower seeding rates, but they had at Prosper. No difference in response to seeding rate was found between the bunchgrass tall wheatgrass and rhizomatous grasses like bromegrass and intermediate wheatgrass.
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