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South Dakota Association of Conservation Districts
2005 Report
Carlson Grassland Management Project
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Located Northeast of Lake Preston, SD, the Carlson management intensive grazing demonstration site consists of five pastures: four contiguous and one separated from the others by a road. A large tire tank that is connected to rural water waters the four contiguous paddocks. A dugout waters the pasture south of the road.

Carlson MIG Map
Forty cow/calf pairs were turned into the Northeast paddock on May 15, 2005 and one bull was turned out May 20. For most of the season, the cattle followed a ten-day rotation through four of the paddocks. The fifth paddock (SE) was not grazed until October 15 because part of it had been planted to corn to prepare the land for the planting of a more desirable species of grass. The predominant species is currently Kentucky Bluegrass. Carlson wishes to plant it to cool season grass/legume blend such as Pubescent wheatgrass, orchardgrass, alfalfa and meadow brome.
Grazing Cattle
2005 was an average year for precipitation with good rains early on, followed by a dry July, and significant rains again in August and September. This picture, taken in mid June, shows how full the creek was. There was also standing water in many places at that time.
Creek mid-June
Creek in August & July
Comparison of creek in mid June on right and Aug/Sept. on left.
The 40 calves were weaned October 14, with an average weight of 602 pounds. The cows were moved out on November 10.
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