“Hydroponic Nutrient Management Basics” from the Indoor Science Cafe

This presentation ‘Hydroponic Nutrient Management Basics’ was given by Dan Gillespie (JR Peters Inc.) during our 22nd cafe forum on September 22nd, 2020. Indoor Ag Science Cafe is organized by the OptimIA project team funded by USDA SCRI grant program.

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University of Florida offers Nutrient Management 2 online

University of Florida Greenhouse Training Online courses: Nutrient Management 2 (Advanced) Starts August 31! Train yourself and your staff to make better crop management decisions by learning in depth aspects of plant nutrition management. Nutrient Management 2 (Advanced) is the third course of the award-winning Greenhouse Online Training courses offered by the University of Florida […]

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University of Connecticut offers Hydroponic nutrient management and root health webinar

The Greenhouse Extension team at the University of Connecticut is hosting a 4-part webinar series on nutrient management and root health in hydroponically-grown leafy greens. The webinars are on 2-6 December from 12-1 pm EST. Each webinar will be 30 minutes + 10 minutes for Q&A. Topics in the webinar will include basic and advanced nutrient management, diagnosis and control of root pathogens, and system design for a closed irrigation system in […]

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University of Florida Greenhouse Training Course in Advanced Nutrient Management, Level 2

University of Florida Greenhouse Training Online courses  Advanced Nutrient Management Train yourself, or your staff, to make better crop management decisions by learning in depth aspects of plant nutrition management. Advanced Nutrient Management is the third course of the 2019 Greenhouse Online Training program offered by the University of Florida IFAS Extension. This course is […]

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Effects of low nutrient solution pH on hydroponic leafy greens

Dan Gillespie presented his research for the fulfillment of his MS degree in Horticulture and Crop Science at the Ohio State University on July 2, 2019. “Effects of Low Nutrient Solution pH on Hydroponic Leafy Green Plant Growth, Nutrient Concentration and Pythium Zoospore Infection”

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Learn the basics of plant nutrition management at the University of Florida

University of Florida Greenhouse Training Online courses Nutrient Management 1 (Introduction) Train yourself, or your staff, to make better crop management decisions by learning the basics of plant nutrition management. Nutrient Management 1 is the second course of the 2019 Greenhouse Online Training program offered by the University of Florida IFAS Extension. This course is […]

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Univ of Florida Training Online courses for Advanced Nutrient Management

University of Florida Greenhouse Training Online courses Advanced Nutrient Management /Manejo Avanzado de Nutrientes Train yourself, or your staff, to make better crop management decisions by learning in depth aspects of plant nutrition management. This course covers multiple aspects of pH management, how to formulate your own fertilizer from individual salts, and diagnose nutritional problems […]

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The Quality Standards for Hydroponic Lettuce

“Voluntary U.S. grade standards are issued under the authority of the Agricultural Marketing Act of 1946, which provides for the development of official U.S. grades to designate different levels of quality. These grade standards are available for use by producers, suppliers, buyers, and consumers. As in the case of other standards for grades of fresh […]

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How do I decide on a water treatment system?

Originally published in Issue 13 Know your goals before investing in a water treatment system. A water treatment system is not going to add value to your product. It’s all about reducing the risk of crop losses. One of the advantages that ornamental plant growers have over growers of hydroponic edible crops is that ornamental […]

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Using water-driven injectors and fertigation systems for greenhouse production

Originally published in Issue 11 Growers who incorporate water-driven injectors into their production systems are usually looking for simplicity and flexibility. Whether fertilizing greenhouse ornamental or vegetable crops, many growers use an injector to take up fertilizer concentrate and mix it with water and apply it to the plants. “From an application standpoint the same […]

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Monitoring is critical for hydroponic production systems

Whether a grower is using a nutrient film technique or deep water raft hydroponic system, it is important to closely monitor pH, soluble salts and temperature to optimize plant growth. Growers who are doing hydroponic production in nutrient film technique (NFT) or deep water raft systems should be monitoring pH and soluble salts content (electrical […]

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The nuances of crop fertilization

Originally published in Issue 5 Regardless of the crop being grown or the irrigation system being used, growers face the same issues related to water quality, nutrient delivery and nutrient uptake. One size doesn’t fit all when it comes to fertilizing plants. Regardless of the crop being grown, whether ornamental or vegetable, different species have […]

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Essential Plant Nutrients Educational Video – Part 2

Part 2 in the Plant Nutrients 101 educational video series by Urban Ag News. Farmer Tyler and Dr. Don Wilkerson define the three states of nutrient concentration: deficient, toxic, and sufficient. Tyler and Don then discuss the process of diagnosing nutrient deficiencies and toxicities.

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Essential Plant Nutrients 101 Educational Video – Part 1

Part 1 in the Plant Nutrients 101 educational video series by Urban Ag News. Farmer Tyler and Dr. Don Wilkerson review the essential plant nutrients and discuss the grouping of Primary Macronutrients, Secondary Macronutrients, and Micronutrients.

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