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Fertigation and Chemigation


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Showing 12 of 12 Publications

Fertigation for Vegetables: A Practical Guide for Small Fields

Jim DeValerio, David Nistler, Robert Hochmuth, and Eric Simonne

Regulations and Guidelines for Chemigation

Haimanote K. Bayabil, Kati W. Migliaccio, Jonathan H. Crane, Teresa Olczyk, and Qingren Wang

How to Convert Liquid Fertilizer into Dry Fertilizer in Fertigation for Commercial Vegetable and Fruit Crop Production

Guodong Liu and Gary K. England

A UF/IFAS numbered Fact Sheet for Commercial audience(s).

How to Calculate Fertigation Injection Rates for Commercial Blueberry Production

Guodong Liu, Jeffrey Williamson, Gary England, and Alicia Whidden

A UF/IFAS numbered Fact Sheet for Commercial audience(s).

Fertigation for Citrus Trees

Mongi Zekri, Arnold Schumann, Tripti Vashisth, Davie Kadyampakeni, Kelly Morgan, Brian Boman, and Tom Obreza

A UF/IFAS numbered Fact Sheet. Published by Plant Systems

A Step-by-Step Fertigation Guide for Blackberry Growers in Florida

Nurjahan Sriti, Elena Máximo-Salgado, Zhanao Deng, Jeffrey G. Williamson, andGuodong Liu

Blackberry cultivation offers significant opportunities for fruit producers in subtropical regions. Effective fertilizer management is essential for maximizing production. However, determining the optimal fertilizer application can be challenging as a result of variations in soil types and climate. To achieve the best results, it is important to follow the 5Rs of nutrient stewardship. (There are usually 4 Rs outside the unique environmental conditions of Florida.) These principles focus on applying the right fertilizer source at the right rate, at the right time, in the right place, and with the right irrigation. This guide provides Florida blackberry growers with practical recommendations for efficient fertigation practices to boost blackberry yields and improve nutrient use efficiency. It is intended for commercial growers, agricultural consultants, farm managers, Extension agents, Extension specialists, and others interested in blackberry production and sustainable farming.

A Practical Guide for Adjusting Fertigation Water pH in Specialty Crop Production

Guodong Liu, Md Jahidul Islam Shohag, Lisa Hickey, Yuncong Li, and Shufang Tian

Fruit and vegetable producers have widely adopted fertigation as a common practice. However, achieving optimal nutrient use efficiency and growth of crops requires careful management of the irrigation water’s pH, especially when the water quality exhibits excessive acidity or alkalinity. Adjusting the pH of irrigation water is crucial to meet crop preferences and ensure optimal conditions for growth. Growers frequently encounter challenges in effectively optimizing irrigation water pH. This publication aims to address this issue by providing an overview of adjusting irrigation water pH and offering practical guidelines. The target audiences of this guide are farm/nursery managers, growers, crop advisors, Future Farmers of America (FFA), Extension agents, researchers, students, and others who are interested in crop production.

The Advantages and Disadvantages of Fertigation

Mary Dixon andGuodong Liu

The purpose of this new 4-page article is to outline some of the major benefits and drawbacks a fertigation system may incur. The audience of this article includes county Extension faculty, students who are interested in crop production, growers, certified crop advisors, crop consultants, environmentalists, and policy makers in the agricultural sector. Written by Mary Dixon and Guodong Liu and published by the UF/IFAS Horticultural Sciences Department.

Injection of Chemicals Into Irrigation Systems: Rates, Volumes, and Injection Periods

G. A. Clark, D. Z. Haman and F. S. Zazueta

A UF/IFAS numbered Fact Sheet.

How to Chemigate Salinity-Stressed Plants with Hydrogen Peroxide to Increase Survival and Growth Rates

Guodong Liu, Yuncong Li, Kimberly Moore, Kim Gabel, Lei Wu, and Rafael Muñoz-Carpena

A UF/IFAS numbered Fact Sheet. in support of UF/IFAS Extension program: Plant Systems

How to Reduce Clogging Problems in Fertigation

Guodong Liu and Gene McAvoy

A UF/IFAS numbered Fact Sheet.

Chemical Injection Methods for Irrigation

Dorota Z. Haman and Fedro S. Zazueta

A UF/IFAS numbered Fact Sheet.