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Cover Crop Series: BMR Dwarf Sorghum

Posted Nov. 12, 2017

BMR Dwarf Sorghum is a member of the Sorghum genus, all of which tend to be similar. Traits that set this one apart are brown midrib genetics for lower lignin concentration and a dwarf trait for closer spacing of leaves up the stem and higher leaf-to-stem ratio. It is short to medium in height, probably not reaching 6 feet, and medium to late in maturity when compared to others in the Sorghum genus. Like most other members of the Sorghum genus, it is heat- and drought-tolerant, an excellent scavenger of soil nutrients (especially nitrogen), can have a risk of prussic acid, and is susceptible to sugar cane aphids. It is a warm-season annual, but fall plantings can make decent growth before frost. Some people claim plants in the Sorghum genus are hard to burn down, possibly due to their height at maturity, but we have not had any problem. Seeding rate was 27 pounds per acre.

About the Cover Crop Series

The Noble Research Institute is testing dozens of cover crop species with potential to help build soil health in the Southern Great Plains. This series features the cover crops we've grown on our Headquarters Farm in southern Oklahoma. These videos explore our results on establishment and growth, ground cover potential, and weed control for each crop.

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