Cotton Branch Station

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Lon Mann Cotton Research Station

The Dan Felton, Jr. Building replaces the original office building built in 1926 at the Cotton Branch Experiment Station, which is now the Lon Mann Cotton Research Station.

Members of the Mann and Felton families gathered for pictures at the Lon Mann Cotton Research Station sign on Hwy. 1 following the dedication program in April 2007.

Highway 1 South
P.O. Box 789
Marianna, AR 72360
870-295-2839
Fax:870-295-2838
Claude Kennedy,
Resident Director: ckennedy@uaex.edu

Driving directions:

From I-40, take Exit 239 and head south on the bypass to Hwy. 1. Turn right onto Hwy. 1; stay on Hwy. 1 traveling through Marianna and continuing three miles south of Marianna to the Station located on the east side (left) of Hwy. 1.

U of A will hold workshop on soils, poultry manure, biosolids
The University of Arkansas System’s Division of Agriculture will hold a workshop Feb. 26 on the use of poultry manure and biosolids to improve soils for Arkansas crops.

The workshop at the Lon Mann Cotton Research Station at Marianna is free, but preregistration is required. Lunch is included. Call Linda Smith, 870-295-2851, by Feb. 24. (Read more)

History and Misssion

The Lon Mann Cotton Research Station is one of the three original branch stations established by the Arkansas Agricultural Experiment Station in 1926. Originally the Cotton Branch Station, it was renamed in 2005 to honor the legacy of Lon Mann as a leader in the development of Arkansas agriculture.

The mission of the Station is to serve the agricultural community of Arkansas, particularly those involved in agronomic crop production in eastern Arkansas. The 650-acre station is located 2 miles south of Marianna and consists primarily of silt loam soils. Research includes annual evaluation of cotton, soybean, wheat, and corn varieties and breeding lines, as well as studies to determine optimum fertility, irrigation and pest management practices for these and other crops.

The Station is also the site of the Eastern Arkansas Soil Testing and Research Laboratory, which provides statewide soil testing services.

Area farmers and businesses participated in a development campaign that concluded in 2005, which made possible major improvements to the Station. The Station Headquarters, which had been in the same building since 1926, is now in the Dan Felton, Jr., Building.

The new building includes a 160-seat auditorium, offices, labs, kitchen and conference room. It is attached by a breezeway to the Soil Testing and Research Laboratory.

Program Technicians

* Jimmy Hornbeck (jmhornb@uark.edu), Cotton Research
* Bill Apple (bapple@uaex.edu), Soybean, Corn and Grain Sorghum Research
* John Bryant (jnbryant@uark.edu), Cotton, Soybean and Wheat Research

Principal Investigators and Research Projects

Cotton Research

Dr. Gus Lorenz - Plant Bug Threshold Regional Study; Plant Bug Efficacy Evaluation; Plant Bug Transgenic Trial
Dr. Leo Espinoza - Varietal Response to Potassium and Three Nitrogen Rates; Nitrogen Rates under Different Tillage Systems; Nitrogen and Water Use Optimization for Low Pressure Drip System
Dr. Fred Bourland - Variety Performance Trials; Strain & Breeding Line Evaluation
Dr. Morteza Mozaffari - Using Fertilizers, Poultry Manure and Bio-Solids for Corn, Wheat and Cotton Production
Dr. Tina Gray Teague - Late Season Water/Insect Management of Cotton
Dr. Derrick Oosterhuis -
Dr. Tom Barber - Seeding Configurations in Multiple seeding patterns In Cotton
Dr. Jason Norsworthy - Integration of Cereal and Brassica Cover Crop into Roundup Flex Cotton; Integration of Legume Cover Crop into Roundup Flex Cover; Comparison of Dual & Prowl H20 over the top Post Emergence in Cotton; Influence of Cereal Cover Crop On Early Season Weed Emergence In Cotton; Staple-LX alone & Tank Mix and Tank Mix with Direx for Preplant Weed Control in Cotton; Barnyard Grass Seed Production in Cotton.
Mr. Griff Griffith - Research Assistance, PhD Program Weed Science; Herbicide & Resistance Management Studies

Small Grain Research

Dr. Robert Bacon - Small Grains and Variety & Strains Performance
Mr. John Kelley - Canola Variety Performance
Dr. Leo Espinoza - Yield Response to Varying N rates; Yield Response to Varying Sulfur Sources
Dr. Nathan Slaton - Wheat Fertilization Trials; Comparing Urea, Super U, Urea treated with Agrotain; Conduct N trails on different soils following different crops; Polymer-coated urea trial for winter wheat production; P & K and Zinc & boron response on wheat

Soybean Research

Mr. Don Dombek - Evaluation Commercial Soybean Variety Trials, Early Planted Soybean Cultivars
Dr. Nathan Slaton - Determining Soybean yield Response to Phosphorus and Potash various rates
Dr. Kristofor Brye - Impacts of alternative wheat-residue management practices on wheat yield and soil fertility in a wheat-soybean, double-crop production system
Dr. Pengyin Chen - Propagation of Breeding Material; evaluation Bt Soybeans

Corn Research

Mr. Don Dombek - 2008 Commercial Corn Hybrids Performance Evaluation Err.
Dr. Jason Kelley - Corn and Grain Sorghum Planting Date Study; Twin Row Corn and Population Study; Corn Alternative Management Practices
Dr. Leo Espinoza - Yield Response of Corn to Varying Nitrogen Rates Under Different Tillage Systems; Effect of Starter Fertilizer on Corn Yield’ Spectral Reflectance of Corn under Varying Tillage Systems – Using a GreenSeeker

Grain Sorghum Research

Mr. Don Dombek - 2008 Commercial Grain Sorghum Performance Evaluation Irr.
Dr. Rick Cartwright - Effect of Quadris fungicide on sorghum yield and quality

Soils

Dr. Leo Espinoza - Temporal Variability of Soil Chemical Properties; Effect of Soil Moisture on Electrical conductivity as Measured by a VERIS Device; The Potential Use of a Mobile Sensor Platform to characterize the Spatial Variability in Soil pH; Use of Gypsum as an anti-crusting Agent

University of Arkansas • Division of Agriculture
Arkansas Agricultural Experiment Station
E108 AFLS Building
Fayetteville, AR 72701 • USA
Phone (479) 575-4446 • Fax (479) 575-7273

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