Restoration of Degraded Rangeland Ecosystems

Preface

Effects from Long-Term Nongrazing After 75 Years. (Entire report 6.4MB)

• 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 1.9MB)

• 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 437KB)

Management of Western Snowberry aka Wolfberry and Buckbrush (Entire report 8.5MB)

• 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 841KB)

Evaluation of Nitrogen Fertilization on Native Rangeland. 2nd Ed. (Entire report 2.5MB)

• 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 10.5MB)

• 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 6.1MB)

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 3.8MB)

• 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 1.2MB)

• 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