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The Good Earth and What It Contains
Environment and Chief Grasses of Prairie
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abundant acre Albertson Andropogon Andropogon scoparius basal cover big bluestem blue grama bluegrass Bouteloua branches buffalo grass bunches bur oak Chernozem competition cordgrass crop decrease deep depth diameter dominant drought eastern Nebraska Ecol Ecology Elymus canadensis erosion extended feet flood plain flower stalks foliage forage forbs forest grasses and forbs grassland greatly growing season growth height horizon inches increased Indian grass invading J. E. Weaver Kansas Lincoln little bluestem lowland mid grasses mixed prairie moist Monog mulch native nearly Nebraska needlegrass nutrients occurred overgrazing Panicum pasture percent perennial plants prairie dropseed prairie grasses production quadrats rainfall range range-condition class ravines rhizomes root development root habits root system runoff samples sand dropseed seed seedlings short grasses shrubs side-oats grama slopes species Sporobolus Sporobolus heterolepis spread stems switchgrass tall taproot tops trees true prairie underground ungrazed upland usually vegetation water content weeds western wheatgrass widely