- Agriculture, Forestry & Soils
- Field crops, grasses, plant fibers, spices, tree crops, herbs
George, Melvin R. Agronomy and Range Science Extension, University of California, Davis, California.
- Additional Readings
An annual, warm-season grass, Sorghum bicolor ssp. drummondii (alternatively S. bicolor var. sudanense, S. sudanense, and S. vulgare var. sudanense), of tropical origin. Sudangrass (see illustration) is thought to have been grown in Egypt and other locations in East Africa since early times. However, it was not until 1909 in Sudan that its value was first recognized. In that same year, it was introduced into the United States as a replacement for johnsongrass, which had become a noxious weed in many southern states. Sudangrass requires warm temperatures for good production, and therefore it is not well adapted to the more northern areas of the United States except as a short-season hay crop. Sudangrass does best on a rich loam, but it has been grown successfully on a broad range of soils. Cold, poorly drained soils are particularly unsuited for sudangrass. See also: Grass crops; Soil; Sorghum
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