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Restoration of Degraded Rangeland Ecosystems

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Preface
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Effects from Long-Term Nongrazing After 75 Years.
(Entire Report - 26.17 MB download)


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Introduction
 
Development of Study Areas
 
Rangeland Reference Areas
   
Long-Term Regional Weather
   
Procedures and Results
     

Sandy Ecological Site
Shallow Ecological Site
Silty Ecological Site
Overflow Ecological Site
Mean of Four Ecological Sites

   
Discussion
   
Literature Cited
      
   
Evaluation of Burning and Grazing as Restoration Treatments of Degraded Rangelands
(Entire Report - 1.84 MB download)
   
Restoration of Degraded Prairie Ecosystem
   
Effects from Prescribed Burning Treatments
   
Grazing and Burning Effects on Mineral Nitrogen and Rhizosphere Volume
   
Initial Restoration Changes of Degraded Rangeland
   
Degradation and Biological Restoration of Rangeland
      
   
Evaluation of Processes that Inhibit Encroachment of Woody Species into Native Rangelands of the Northern Plains
(Entire Report - 404 KB download)
       
   
Management of Western Snowberry aka Wolfberry and Buckbrush
(Entire Report - 8.26 MB download)
   
Preface
   
Western snowberry biology
   

Biological management of western snowberry

   

Burning management of western snowberry

   

Mechanical management of western snowberry

   

Chemical management of western snowberry

   

Effective management of western snowberry

       
   
Chemical Management of Silver Sagebrush
(Entire Report - 826 KB download)
       
   
Evaluation of Nitrogen Fertilization on Native Rangeland. 2nd Ed.
(Entire Report - 2.37 MB download)
   
Preface
   
Circumstances that Impelled Fertilization Treatment Research on Native Rangeland
   
Evaluation of Nitrogen Fertilization Treatments on Native Rangeland
   
Nitrogen Fertilization on Native Rangeland with Ammonium Nitrate and Urea
   
Cost of Herbage Weight for Nitrogen Fertilization Treatments on Native Rangeland
   
Evaluation of Grazing Fertilized Native Rangeland Pastures
   
Fate of Applied Fertilizer Nitrogen on Native Rangeland
   
Evaluation of Plant Species Shift on Fertilized Native Rangeland
   
Influence of Soil Mineral Nitrogen on Native Rangeland Plant Water Use Efficiency and Herbage Production
   
Enhancement of the Nitrogen Cycle Improves Native Rangeland
   
Long-term Plant Species Shift Caused by Nitrogen Fertilization of Native Rangeland
   
Soil Mineral Nitrogen Increased Above the Threshold Quantity of 100 Pounds per Acre
       
   
Evaluation of Alfalfa Interseeding Techniques
(Entire Report - 10.26 MB download)
   
Preface
   
Concept changes regarding the use of interseeding practices to correct problems in grassland ecosystems
   
Interseeding into native grassland with a two-row lister machine
   
Interseeding machine development by modification of no-till drill
   
Evaluation of alfalfa varieties solid seeded into cropland
   
Evaluation of alfalfa varieties broadcast sod-seeded into native rangeland
   
Summary of the development of the South Dakota State University pasture interseeding machine
   
Evaluation of alfalfa varieties interseeded into grassland
   
Evaluation of interseeding row-spacing techniques
   
Evaluation of interseeding seedbed preparation and sod control techniques
   
Evaluation of interseeding fertilization-rate techniques
   
Evaluation of interseeding seeding-rate, seeding-date, and rhizobium-inoculation techniques
   
Techniques and mechanical processes developed for interseeding alfalfa into grasslands
   
Evaluation of grazing alfalfa interseeded native grassland pastures
       
   
Evaluation of Biological Restoration Management of Degraded Native Mixed Grass Prairie
(Entire Report - 5.95 MB download)
      Includes the following:
     

Introduction
Study Area
Long-Term Regional Weather
Growing Season Precipitation
Procedures
Management Strategy
Livestock and Stocking Rates
Results
Control Pasture NR 4
Grazed Pasture NR 3
Grazed Pasture NR 2
Grazed Pasture NR 1
Changes on the Ungrazed and Grazed Pastures
Discussion
Conclusion
Literature Cited
Appendix

       
   
Proactive Management of Pestiferous Rangeland Grasshopper Habitat of the Northern Plains
(Entire Report - 3.70 MB download)
   
Preface
   
Introduction
   
Grasshopper IPM Program: A Retrospective
   
Grasshopper Mortality: Pathogens, Parasites, and Predators
   
Grasshopper Life Cycle
   
Pestiferous Rangeland Grasshoppers
   
Grasshopper Habitat
   
Grasshopper Outbreaks
   
Grasshopper Forage Use
   
Native Vegetation of the Northern Plains
   
Ecosystem Mechanisms and Processes
   
Proactive Management of Crested Wheatgrass
   
Proactive Management of Native Rangeland
   
Compendium: Proactive Management of Grasshopper Habitat
   
Literature Cited
       
   
Evaluation of the Achilles’ Heel of Mixed Grass Prairie Ecosystems: the Availability of Mineral Nitrogen
(Entire Report - 1.16 MB download)
   
Biogeochemical Processes of Nitrogen in Rangeland Soils
   
Importance of Mineral Nitrogen in Restoration of Degraded Ecosystems
   
Importance of Mineral Nitrogen in Maintaining Ecosystem Productivity
   
The Renewability of Grazingland Ecosystems