Water Quality - Calidad del agua

Monitor water quality

Dr. Paul Fisher of the University of Florida IFAS Extension describes how to monitor biological, chemical, and physical aspects of water quality

Chemical water problems

Paul Fisher, Ph.D. from the University of Florida discusses how to monitor chemical water problems using both onsite tests and laboratory analysis. (December 2011)

Biological water problems

Paul Fisher, Ph.D. from the University of Florida discussed how to monitor biological water problems using both onsite tests and laboratory analysis. (December 2011)

Physical water problems

Paul Fisher, Ph.D. from the University of Florida discusses how to monitor physical water problems using both onsite tests and laboratory analysis. (December 2011)

Is my water treatment system working?

Paul Fisher, Ph.D. from the University of Florida discusses how to monitor different aspects of water quality using both onsite tests and laboratory analysis. (December 2011)

Manage salts, pH and fertilizers

Dr Bill Argo (Blackmore Company) talks about water quality in terms of pH, alkalinity, and fertilizer salts.

Water pH and alkalinity

Bill Argo from the Blackmore Company defines pH and alkalinity and explains why it is important to monitor both in irrigation water.

Fertilizers and irrigation water quality

Bill Argo Ph.D. from Blackmore Company explains how awareness of irrigation water quality and its interactions with fertilizers is essential for efficient fertilization regimes.

Salts, leaching and irrigation water

Bill Argo from The Blackmore Company describes the problem associated with high concentration of salts in irrigation water. He discusses how leaching and fertilization should be adjusted to maintain plant quality.

Fertilizer interactions and water quality

Bill Argo Ph.D. from Blackmore Company explains how awareness of irrigation water quality and its interactions with fertilizers is essential for efficient fertilization regimes.

Biology of waterborne pathogens

Plant pathologists from leading universities discuss the biology of waterborne pathogens

Chastagner: Biology of waterborne pathogens in nurseries

Dr. Gary Chastagner (Washington State University) discusses the biology of pathogens found in the water and describes how and where pathogens spread in nurseries.

Parke 1: Introduction to Phytophthora

Dr. Jennifer Parke (Oregon State University) introduces the biology of Phytophthora

Parke 2: A systems approach

Dr. Jennifer Parke (Oregon State University) discusses a systems approach to managing pests and diseases.

Parke 3: How water fits in to a systems approach

Dr. Jennifer Parke (Oregon State University) discusses how both water management and water treatment fit in to a holistic approach for managing nursery plant diseases caused by Phytophthora species.

Palmateer 1: Effect of water on plant health

Dr. Aaron Palmateer (University of Florida) describes how water management strategies have an effect on plant health (November 2010)

Palmateer 2: Water molds

Dr. Aaron Palmateer (University of Florida) describes how proper water management can help reduce disease development caused by water molds.

Palmateer 3: Bacterial diseases

Dr. Aaron Palmateer (University of Florida) describes common bacterial diseases found in ornamental plants and how to manage them.

Wick 1: Issues around waterborne pathogens in production areas

Dr. Robert Wick (University of Massachusetts Amherst) introduces the issues associated with waterborne pathogens in production areas. (May 2010)

Wick 2: Biology of common waterborne pathogens

Dr. Robert Wick (University of Massachusetts Amherst) discusses the biology of common waterborne pathogens in irrigation. (May 2010)

Wick 3: Management strategies for controlling waterborne pathogens

Dr. Robert Wick (University of Massachusetts Amherst) describes the management strategies for the control of waterborne pathogens. (May 2010)

Control pathogens and biofilm

Dr. Paul Fisher (University of Florida IFAS Extension) discusses water treatment design and technologies

Treatment technologies: importance of water quality

Paul Fisher (University of Florida) defines what is meant by water quality and discusses its importance the potential effects it can have on plant health. (June 2009)

Treatment technologies: matching treatment to your goals

Paul Fisher (University of Florida) discusses how to match water treatment to your goals. He talks about how to understand the problems in your irrigation system and how to monitor them in order to select the proper solution. (June 2009)

Treatment technologies: choosing between sanitizers

Paul Fisher (University of Florida) talks about choosing between sanitizers, and describes the factors you need to consider when selecting sanitizers to treat irrigation water. (June 2009)

Treatment technologies: treating flood tanks and benches

The treatment of flood tanks and benches is challenging. Paul Fisher (University of Florida) discusses how some water treatments affect the nutrient solution. (June 2009)

Control pathogens - European perspective

Dr. Walter Wohanka from the Geisenheim Research Center (Germany), discusses the pros and cons of water treatment techniques used to prevent disease spread through irrigation

Pros and cons of water disinfection: A European perspective

Dr. Walter Wohanka from the Geisenheim Research Center (Germany), discusses the pros and cons of water treatment techniques used to prevent disease spread through irrigation

Non chemical vs chemical alternatives
Chemical alternatives
Economics and best treatment

Oxidation reduction potential (ORP)

Dr. Karan Khurana of Pulse Instruments describes use of ORP as a measurement of effective water sanitation

Monitoring Oxidation Reduction Potential (ORP)

Remove particles with filtration

Al Zylstra (DRAMM Water) describes filter options and system design to remove particles from irrigation water

Adequate and inadequate filtration
Filter options
Key considerations to select filtration systems

Remove N, P, & pathogens without chemicals

Dr. Sarah White (Clemson University) and Dr. Loren Oki (University of California) discuss the use of constructed wetlands and slow sand filtration systems for treating water.

Constructed wetlands

Dr. Sarah White describes what are constructed wetlands and how they can be use as a water conservation strategy by removing chemical and biological contaminants from agricultural runoff.

Slow sand filtration

Dr. Loren Oki describes what slow sand filtration is, how it works and how it can be use as a water conservation strategy by removing pathogens, nutrients and chemical from agricultural runoff.

Manage pond water quality

Dr. Ken Wagner from Water Resources Services discusses water quality problems and solutions in ponds

Pond issues

Ken Wagner, Ph.D. from Water Resources Services discusses the problems observed in ponds, the causes of algae problems and the alternatives to manage water quality in ponds.

Pond management

Ken Wagner, Ph.D. from Water Resources Services discusses the management of water quality in ponds.

Pond issues and management Q and A

Ken Wagner, Ph.D. from Water Resources Services answers growers' questions about the problems observed in ponds, the causes of algae problems and the alternative to manage water quality in ponds.

Water quality law

Dr. Kati Migliaccio (University of Florida IFAS Extension) discusses water quality law and the implications in agriculture. (November 2010)

Water quality law

Kati Migliaccio (Ph.D) from the University of Florida discusses water quality law and the implications in agriculture. (November 2010)

Water Quality - Calidad del agua