Sistemas de apoyo a la decisión

Degree-Days: Growing, Heating, and Cooling

Clyde W. Fraisse and Silvana V. Paula-Moraes

The Strawberry Advisory System: A Web-Based Decision Support Tool for Timing Fungicide Applications in Strawberry

Willingthon Pavan, Clyde W. Fraisse, Leandro G. Cordova and Natália A. Peres

Assessing Nitrate Leaching in Crop Production through the Application of Crop Simulation Models with Experimental Data from Florida

Lakesh K. Sharma, Rishabh Gupta, Lincoln Zotarelli, and Gerrit Hoogenboom

Lysimeters are often used in research concerning nutrient leachate all over the globe. However, due to factors such as Florida's high water table (a condition when the water level stays relatively close to the soil surface) in some production areas, the assessment and collection of leachate are not feasible. Another obstacle to the use of lysimeters in field research is the fact that several types of irrigation methods are used in Florida (e.g., subirrigation with seepage or drain-tile, overhead, microsprinkler, and drip irrigation) requiring different strategies for leachate assessment. This publication focuses on the use of crop models as alternatives to estimate nitrate leaching from cropping systems at a field scale. This publication's target audience is growers, extension agents, crop consultants, representatives of the fertilizer industry, state and local agencies, students, instructors, researchers, and interested Florida citizens.

The Economics of Raising Replacement Heifers: Estimating Direct Costs Using the Replacement Heifer Calculator

Hannah Baker

Each year, cattle producers must decide what to do with new calves. There are two options for the females: sell them as weaned heifers or keep them to raise as replacements to build the herd. There are benefits to both. Raising replacement heifers can be costly, so selling calves can seem like the most economical option if the producer is considering only short-term revenues. However, the lowered biosecurity risks (because outside cattle are not introduced to the herd) as well as the opportunity to build and enhance herd genetics can make raising heifers as replacements the more economical choice long term. The decision must be made again each year based on the cattle market and short- and long-term goals of the operation. To help producers decide, this publications describes and explains the Replacement Heifer Calculator, a free cost estimation tool cattle producers may use to aid in achieving their herd goals.

Adjusting Crop Yield to a Standard Moisture Content

Michael J. Mulvaney, Pratap Devkota, and Hardeep Singh

A UF/IFAS numbered peer reviewed Fact Sheet for Commercial audience(s). Published by Plant Systems

My Pine Is Under Attack—What Should I Do? A Primarily Insect-Based Decision-Support Guide for Pine Death Management

Jiri Hulcr

This guide is intended to help tree owners and Extension personnel in Florida and the adjacent southeastern region make decisions about backyard pine trees that display signs of attack by wood borers. The pictorial guide will help determine whether beetles have attacked a pine tree, how far along the attack has progressed, and what to do about it. There are many sources of pine stress other than insects, so for complete advice, please contact your county Extension agent or post your question at the Tree Health Diagnostics Forum at the University of Florida website.

Living Shoreline Ecosystem Service Valuation Tool

Ashley R. Smyth, Laura K. Reynolds, Savanna C. Barry, Natalie C. Stephens, Joshua T. Patterson, and Edward V. Camp

Living shorelines are an increasingly popular way to protect and stabilize waterfronts for coastal property owners. Living shorelines provide valuable benefits to humans, including water quality improvement, habitat, fisheries, and carbon sequestration. Estimating the economic value of the ecosystem services living shorelines offer is an integral part of management decisions. The living shoreline valuation tool can help quantify the costs and benefits of living shorelines projects. This publication briefly describes the ecosystem services associated with living shorelines. The purpose of this publication is to introduce the ecosystem service valuation tool. Our target audience for the living shoreline evaluation tool includes natural resource extension agents, community organizations, and coastal homeowners who want to calculate the value of ecosystem services provided by coastal restoration projects, including living shorelines. 

Blueberry Advisory System: A Disease Alert System for Blueberry Anthracnose Fruit Rot

André B. Gama, Douglas A. Phillips, Vinícius A. Cerbaro, Phillip F. Harmon, Clyde W. Fraisse, and Natalia A. Peres

The weather conditions favoring Blueberry anthracnose fruit rot disease incidence and development can be difficult to predict, and it can significantly impact yield under conducive weather patterns. For that reason, the authors of this new 6-page publication of the UF/IFAS Plant Pathology Department developed and validated a web-based disease alert system for blueberry AFR, the Blueberry Advisory System (BAS), to help blueberry growers in Florida identify weather conditions favorable for the disease and improve disease management. Written by André B. Gama, Douglas A. Phillips, Vinícius A. Cerbaro, Phillip F. Harmon, Clyde W. Fraisse, and Natalia A. Peres.

A Farm to School Procurement Calculator for Specialty Crop Producers and School Food Service Staff

Jonathan A. Watson, Danielle Treadwell, Anna Prizzia, and Kelli Brew

A UF/IFAS numbered Fact Sheet for Commercial audience(s). Published by Food Systems