Crabgrass for Forage: Management from the 1990s/Crabgrass Forage Yields as Influenced by Forage Harvesting Regimes

The Samuel Roberts Noble Foundation, Inc.

Crabgrass for Forage: Management from the 1990s/Crabgrass Forage Yields as Influenced by Forage Harvesting Regimes


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Preface

Crabgrass: A Synopsis
Introduction
History
Species
Crabgrass as Forage
Using Crabgrass
Crabgrass Cultivars
Establishment
Tillage and No-Tillage Management
Soil Fertility Considerations
Forage Production Potential
Stock Performance
Use
Volunteer Stand Management
Adaptation
Literature Available

Development, Naming, and Release of the "Red River" Crabgrass Variety
Abstract
Introduction
History of Varietal Development
Methods of Research and Development
Results
Official Naming and Release
Seed Availability
Literature Cited

'Red River' Crabgrass: Why and How it Happened
Historical Prespective
Species and Ecotypes
There is more to a Grass than Yield
Area of Use
More Information is Available
Official Seed Release Summary

Crabgrass Produces Top Quality Warm Season Hay

Crabgrass is the Winter Pasture for the Summer

Crabgrass for High Quality, Highh Production, Warm-Season Forage
Introduction
History of Use and Geographic Adaptation
Specific Adaptation
Production Input Practices
Forage Quality Aspects
Examples of Crabgrass Forage Uses
Forage and Stock Yields
Crabgrass Variety Development and Literature
Literature Cited

Average Daily Gain On 'Red River' Crabgrass
Crabgrass as a Variable and Flexible Forage Crop
History of ADG on Crabgrass
Management of This Trial
Forage Production Management
A Brief History of Production on This Unit
Livestock Management
Grazing Management
Weather Considerations
Results
Grazing Management Results
The Mistakes We Made

Crabgrass Forage Yields as Influenced by Forage Harvesting Regimes
Abstract
Introduction
Procedures
Results and Discussion

Double Crop Winter Pastures by Using Improved Crabgrass

Switching from Winter Pasture to Crabgrass

Broadcasting Crabgrass Seed into Annual Winter Pastures to Start a Crabgrass-Winter Pasture Double Crop

Fall Planting Rye into Crabgrass in a Low-Till Approach

Summer Annual/Winter Annual Rotation of Grazing and Forage Systems

Improving Overall Forage Quality by Adding Higher Quality Warm-Season Grasses to the Bermudagrass Sward
Abstract
Introduction
Materials and Methods
Results and Discussion
Bermudagrass or Bahiagrass and Crabgrass Mixtures in Practice

Managing for Volunteer Stands in Crabgrass Hay Meadows

Emergence Depth of 'Red River' Crabgrass in Volunteer Stands
Introduction
Methods and Materials
Results and Discussion
Practical Application
Literature Cited

Planting Rye in 'Red River' Crabgrass

Managing 'Red River' Crabgrass for Upper Level Forage and Beef Yield
Materials and Methods
Results and Discussion
'Red River' Crabgrass in Grazier Uses
Summary

The Effect of Seeding Rates on First-Season Crabgrass Development
Material and Methods
Results and Discussion
Summary of the Research
Summary

Feed Value and Management Characteristics of 'Red River' Crabgrass Seed for Planting and Volunteer Stands

'Red River' Crabgrass Forage Production with Irrigation and Fertilization

Table 2. Crabgrass forage yield as influenced by harvesting regimens (Year 2)

Harvesting Regimen					Oven- Dry Weights (Lbs./Acre) by Dates

Trt. No.	Harvest Stage	Res. Ht. (In.)	Avg. Rec. Per.¹		6/24	7/1	7/6	7/21	8/1	8/5	8/8	8/11	8/25	8/30	9/9	9/28	9/28²	Season Total	Rel. %

1	4 to 6 inches	1	34		333		1,051		1,982³				1,826³				881	6,073	100
2	8 to 10 inches	3	34			810		1,090		758				2,596³			2,646	7,902	130
3	Preboot to head	3	43				1,750				1,502				1,529		2,433	7,213	119
4	Early green head	3	57				1,525					2,406				1,188	1,818	6,937	114
5	Seed maturity	3	57					3,018							3,044		2,072	8,134	134
6	Seed maturity	6	57					1,803							2,788		3,451	8,041	131

1 Average recovery period from stand emergence to final harvest. 2 Final harvest of all treatments left a 1-inch residue. 3 Harvested too late (even aggies deserve a vacation).

© 1997-2008 by The Samuel Roberts Noble Foundation, Inc.