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Ag Publications: Soils and Crops Discipline

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. View Publication

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...

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. View...

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...

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...