Agronomy Department – Page 2

Rice Physiology, Products, and Critical Steps Associated with Postharvest Operations in Southern Florida

This 5-page document pertains to the UF/IFAS Extension programs related to rice production in the EAA and focuses on the steps that comprise postharvest processing of rice (drying, tempering, milling, and storage). It aims to highlight the physiology of the rice kernel and define some of the common terms used in the rice industry, elaborate on the steps in postharvest processing, and provide a brief overview of rice products and their market potential. Written by Jehangir H. Bhadha, Sangeeta Mukhopadhyay, Charlene Andrews, and Matthew VanWeelden, and published by the UF/IFAS Agronomy Department, September 2019.
http://edis.ifas.ufl.edu/ag438

Tapegrass, Eelgrass, or Wild Celery (Vallisneria americana Michaux): A Native Aquatic and Wetland Plant

This 5-page document describes the main features of tapegrass and summarizes important habitat requirements for its growth and restoration. Written by Mohsen Tootoonchi, Lyn A. Gettys, and Jehangir H. Bhadha, and published by the UF/IFAS Agronomy Department, September 2019.
http://edis.ifas.ufl.edu/ag437

Lost in the Weeds?: A Comprehensive Guide to Florida's Many Non-Native Plant Lists

Because researchers and land managers in Florida have been dealing with invasive species for decades, there is an abundance of resources available to the public regarding invasive species. Sometimes, the volume of available information can be confusing. This 6-page document aims to inform the general public, land managers, researchers, local and state policy makers, and others who seek guidance in accessing regulatory and nonregulatory non-native plant lists in the state of Florida. This publication explains the origins of the lists, meaning of inclusion on a particular list, and ways to access each of the lists. Written by Deah Lieurance and Lyn A. Gettys, and published by the UF/IFAS Agronomy Department, August 2019.
http://edis.ifas.ufl.edu/ag436

UF/IFAS News Release 10/22/2019: 'Lost in the Weeds?' Guide Sifts Through the Differences Among Non-Native Plant Lists

The Value of Tropical Plant Diversity

This new 5-page document discusses plant diversity at the UF/IFAS Tropical Research and Education Center, environmental factors and human activities affecting these plants, assemblages of species based on levels of disturbance, human choice, and other factors, and the diverse needs these plants meet. Written by Cliff G. Martin and Zachary T. Brym, and published by the UF/IFAS Agronomy Department, June 2019.
http://edis.ifas.ufl.edu/ag435

Bahiagrass (Paspalum notatum Flueggé): Overview and Pasture Management

This 10-page document discusses bahiagrass forage cultivars, forage production, nutritive value, animal performance, planting, pasture renovation, management, and more. Written by Marcelo Wallau, Joao Vendramini, José Dubeux, and Ann Blount, and published by the UF/IFAS Agronomy Department, revised July 2019.
http://edis.ifas.ufl.edu/ag342

Estimating Herbage Mass on Pastures to Adjust Stocking Rate

This new 6-page document explains methods to measure forage mass and utilize that information to estimate an adequate stocking rate. Written by Jose Dubeux, Marcelo Wallau, João Vendramini, Liliane Silva, Jane Griffin, Nicolas DiLorenzo, and Erick Santos, and published by the UF/IFAS Agronomy Department, June 2019.
http://edis.ifas.ufl.edu/ag434

Design and Construction of a Constant Head Infiltrometer

This new 8-page document details the construction procedure for a Mariotte siphon constant head infiltrometer using readily available materials. Written by Mahesh Bashyal, Michael J. Mulvaney, and Eban Z. Bean, and published by the UF/IFAS Agronomy Department, June 2019.
http://edis.ifas.ufl.edu/ag433

Pesticide Recordkeeping Form for Florida Applicators

This new 5-page document provides a form containing the required elements to include on a record of pesticide application for meeting the restricted use pesticide and Worker Protection Standard (WPS) requirements. An example application record and an explanation of the required elements is provided. This is not a required form because there are other methods to keep records if they contain the required information. Handwritten notes, electronic records, and other recordkeeping software systems are also acceptable. Written by Frederick M. Fishel and published by the UF/IFAS Agronomy Department.
http://edis.ifas.ufl.edu/pi280

Methods of Forage Moisture Testing

Determining forage moisture is an essential procedure for estimating forage mass in pastures, determining harvesting or baling point for preserved forages, and calculating dry matter of feedstuff for total mixed rations. This 3-page document discusses methods and pieces of equipment available to estimate forage moisture. Written by M. Wallau and J. Vendramini, and published by the UF/IFAS Agronomy Department, revised June 2019.
http://edis.ifas.ufl.edu/ag181

Nitrogen Contributions from Peanut Residues to Subsequent Crops

There is not enough evidence to support current peanut N credit recommendations in the Southeast. Nitrogen is released rapidly from peanut residues, and it moves quickly through light-textured soils found in this region. Only a relatively small amount of N from peanut residues is available when subsequent crops need it. This new 5-page document discusses peanut nitrogen credits, nitrogen release from peanut residues, crop performance following peanut, tillage and nitrogen release, and peanut residue distribution and nitrogen release. Written by Arun Jani and Michael J. Mulvaney, and published by the UF/IFAS Agronomy Department, April 2019.
http://edis.ifas.ufl.edu/ag431

Biologia y Manejo de Nostoc (Cyanobacteria) en Viveros y Invernadores

Este artículo es escrito para ayudar el lector a entender la biología y ecología de Nostoc, un género común de cianobacteria (alga verdeazulada) de suelos húmidos, y proporcionar métodos para manejar esta plaga en viveros. This 4-page document is the Spanish version of Biology and Management of Nostoc (Cyanobacteria) in Nurseries and Greenhouses. Written by H. Dail Laughinghouse IV, David E. Berthold, Chris Marble, and Debalina Saha, and published by the UF/IFAS Agronomy Department, April 2019.
http://edis.ifas.ufl.edu/ag432

Sugarcane Cultivar Descriptive Fact Sheet: CPCL 02-0926 and CP 05-1526

This new 5-page fact sheet provides basic information as well as yield and disease information for CPCL 02-0926 and CP 05-1526 to assist growers in selection and management of these cultivars. Written by Hardev Sandhu and Wayne Davidson, and published by the UF/IFAS Agronomy Department, February 2019.
http://edis.ifas.ufl.edu/sc105

Weed Management in Rice

Successful weed control is essential for economical rice production in Florida. This 6-page document discusses field sanitation and tillage, water management, and herbicides. Written by D. C. Odero and M. VanWeelden, and published by the UF/IFAS Agronomy Department, revised August 2018.
http://edis.ifas.ufl.edu/wg001

Biology and Management of Nostoc (Cyanobacteria) in Nurseries and Greenhouses

This new 4-page document provides an overview of the biology and ecology of Nostoc-like cyanobacteria (blue-green algae) in humid soils and discusses cultural, physical, and chemical methods to manage this weed in nursery environments. Written by H. Dail Laughinghouse IV, David E. Berthold, Chris Marble, and Debalina Saha, and published by the UF/IFAS Agronomy Department, February 2019.
http://edis.ifas.ufl.edu/ag430

Elemental Sulfur Recommendations for Sugarcane on Florida Organic Soils

Micronutrient deficiencies can be important limiting factors in alkaline soils, with most micronutrients becoming less available for plant uptake as soil pH increases. This 6-page document is intended primarily for Florida sugarcane growers but may also be useful to researchers and others interested in sugarcane nutrition. It presents revised elemental sulfur recommendations for sugarcane grown on Florida organic soils along with supporting information. Written by J. Mabry McCray, and published by the UF/IFAS Agronomy Department, February 2019.
http://edis.ifas.ufl.edu/ag429

Potassium Fertilizer Recommendations for Sugarcane on Florida Organic Soils

Potassium is a primary plant nutrient that is required in large amounts by sugarcane. About 74% of the 400,000 acres of Florida sugarcane is grown on organic soils in the Everglades Agricultural Area. Potassium is not a component of organic matter and virgin Histosols contain very low concentrations of K, so release of K through mineralization of organic matter in these soils is not an adequate K source for plant growth. This 7-page document presents revised potassium fertilizer recommendations for sugarcane grown on Florida organic soils along with supporting information. Written by J. Mabry McCray, and published by the UF/IFAS Agronomy Department, February 2019.
http://edis.ifas.ufl.edu/ag428

Pastures and Forage Crops for Horses

Florida's unique climatic characteristics allow for forage production most of the year with a large variety of possible forage choices. Independent of the size of the operation and number of horses, good forage planning can help reduce feeding costs, environmental impacts, and nutritional disorders caused by high-concentrate feeding. With the exception of high-performance animals, horses can meet most of their nutritional needs from pasture. However, achieving this requires careful planning and implementation of a forage production and utilization program. This 9-page document discusses intake and nutrient requirements, pasture planning, forage species, and pasture management. Written by M. Wallau, E. L. Johnson, J. Vendramini, C. Wickens, and C. Bainum, and published by the UF/IFAS Agronomy Department, revised January 2019.
http://edis.ifas.ufl.edu/aa216

Overseeding Rhizoma Perennial Peanut Pasture and Hay Fields during the Cool Season

Hay and livestock producers want to know if they can overseed their rhizoma peanut fields with cool-season forages during rhizoma perennial peanut dormancy. This new 5-page document discusses overseeding for hay and overseeding for grazing. Written by Jose Dubeux, Cheryl Mackowiak, Ann Blount, David Wright, and Luana Dantas, and published by the UF/IFAS Agronomy Department, January 2019.
http://edis.ifas.ufl.edu/ag426

FloRun 331 Peanut Variety

FloRunTM '331' peanut variety was developed by the UF/IFAS North Florida Research and Education Center near Marianna, Florida, and released in 2016. It combines high yield potential with excellent disease tolerance. FloRunTM '331' has a typical runner growth habit with a semi-prominent central stem and medium-green foliage. It has medium runner seed size with high oleic oil chemistry. Learn more about it in this 4-page fact sheet written by Barry L. Tillman and published by the UF/IFAS Agronomy Department.
http://edis.ifas.ufl.edu/ag425

Calibrating Forage Seeding Equipment

Establishing forages from seeds often requires precision equipment to achieve specific seeding rates for a proper pasture stand. Most pieces of equipment have calibration charts, which are useful guides for making an initial setting. However, due to variations in seed size, purity, moisture content, equipment performance, ground speed, and other factors, calibrating equipment prior to each use is recommended. This 5-page document discusses a few calibration techniques for drills and broadcast spreaders. Written by Marcelo Wallau, Joao Vendramini, and Ed Jennings, and published by the UF/IFAS Agronomy Department, revised November 2018.
http://edis.ifas.ufl.edu/ag158