Ag Publications: Soils and Crops Discipline
Bermudagrass as a Forage and Hay Crop in the Southern Great Plains
Eddie Funderburg, Ed.D., senior soils and crops consultant, presents a thorough overview of bermudagrass, a warm-season perennial grass, including recommendations for its establishment and management as a forage and hay crop.
Blackberry: Identification and Management in Pasture and Rangeland
Blackberry (Rubus sp.) are native (usually) woody shrubs or brambles. They are members of the Rosaceae, or rose family, which includes over 600 species and developed varieties of blackberries,...
Eastern Persimmon: Identification and Management in Pastures and Rangeland
Eastern persimmon (Diospyros virginiana L.) is a native tree species also known as common persimmon, possumwood, American ebony, white ebony and butterwood. It has a natural range that extends from...
Effect of Fertilizer on Yield of Native Grass
Fertilization of native grass fields is generally not recommended in the Southern Great Plains region of the United States. The primary reason for not fertilizing native grass is the belief that the...
Effect of Nitrogen Rate on Yield of Nine Warm-season Introduced Perennial Forage Varieties
When ranchers think about planting an introduced summer perennial forage variety, there are usually two questions. One is, "Do hybrid varieties that do well in research tests with heavy fertilization...
Establishing Bermudagrass for Pastures and Hay Fields
A well prepared seedbed is critical to successfully establish bermudagrass from seed. A good seedbed should be firm, smooth, weed-free, and free of holes and ridges.
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Evaluation of Sesame Cultivars for Grain Production in Southern Oklahoma
Crop producers are looking for alternative crops like sesame (Sesamum indicum L.) that can be used in a wheat rotation. Sesame is drought tolerant, and sets seeds and yields relatively well under...
Forage Yields from Five Years of Summer Annual Variety Trials
In an effort to assist producers in Oklahoma and Texas, the Noble Research Institute conducted trials to determine hay yields of commercially available varieties of pearl millet and sorghum species, including forage sorghum, sudan and sorghum sudan hybrids. This report summarizes results from the 2001-2004 and 2008 trials. Trials were not conducted between 2005-2007.
Grain Yields from 2010 Roundup Ready® Soybean Variety Trial
Soybeans are one of the major summer crops in crop rotations for the Southern Great Plains. In an effort to assist producers in Oklahoma and Texas judge soybean variety performance, the Noble...
Grazing Alfalfa
Alfalfa (Medicago sativa) has probably been grazed for as many years as it has been planted. However, most of the grazing has been done as a minor component of a hay production system and not as a...
Greenbrier: Identification and Management
Greenbrier (Smilax bona-nox L.) is a native woody vine or shrub. It is a member of the Smilacaceae, formerly Liliaceae, family which includes approximately 12 to 15 species in the Smilax genus.
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Honey Locust: Identification and Management
Honey locust (Gleditisia triacanthos L.) is a native tree species with a natural range that extends from central Pennsylvania to South Dakota to southeastern Texas to Alabama. At maturity, trees may...
How to Calibrate a Boom Sprayer: 1/128 of an acre method
James Locke demonstrates the 1/128 of an acre method for calibrating a boom sprayer. Locke is a soils and crops consultant for the Noble Research Institute.
How to Calibrate a Boomless Sprayer: 1/8 of an acre method
James Locke demonstrates the 1/8 of an acre method for calibrating a boomless sprayer. Locke is a soils and crops consultant for the Noble Research Institute.
Orchard/Air Blast Sprayer Calibration
Orchard, or air blast, sprayers are the most common pieces of equipment used to apply foliar insecticides, fungicides, plant growth regulators and foliar nutrients to tree crops. In order to apply...
Osage Orange: Identification and Management
Osage orange [Maclura pomifera (RAF.) C. Schneider] is a native tree species also known as bois d'arc, hedge apple, bodark, horse apple and bowwood. Its natural range was limited primarily to the Red...
Pasture and Hay Field Weed Control for Oklahoma
Good weed control can be achieved in pastures and hay fields if attention to detail is followed. It is a matter of targeting the correct weed, at the proper growth stage, with a labeled herbicide,...
Pasture and Hay Field Weed Control for Texas
Good weed control can be achieved in pastures and hay fields if attention to detail is followed. It is a matter of targeting the correct weed, at the proper growth stage, with a labeled herbicide,...
Pasture Weed Management and Drought
Pasture weed management always presents a challenge. There are dynamic, complex interactions between desirable forages, grazing animals, encroaching weeds, soil types, nutrient levels, climate and...
Prussic Acid, Nitrate Poisoning and Grass Tetany in Beef Cattle
Eddie Funderburg, Ed.D., senior soils and crops consultant, offers a comprehensive summary of data on prussic acid, nitrate poisoning and grass tetany to aid beef cattle producers in health management and herd protection.
Sandbur Control in Bermudagrass Pastures and Hay Fields
Sandbur generally behave as summer annual grasses, although they will sometimes act as weak perennials. While they are different species, they all share the common trait of being undesirable in...
Sorghum and Sudan Forage Variety Trials
In an effort to assist producers with summer annual forage selection, the Agricultural Division has conducted forage yield trials to determine hay yields of commercially available varieties of forage...
Using Aminopyralid Preemergent in Pastures for Western Ragweed Control
Western ragweed (Ambrosia psilostachya) is considered one of the most common weeds in pastures and rangeland in the Southern Great Plains. It is an aggressive competitor with grasses and is generally...
Weed Management in Pecans
An effective weed management program is a necessary part of any pecan production enterprise. Weeds compete with pecans for water and nutrients, and may have allelopathic effects on pecan growth....
Weed Wiper Technology and Usage
While weed wipers have been all but forgotten among row crop farmers, many pasture and range producers in the United States have never heard about them. There is great potential for using wick...