University of Florida offers Nutrient Management Level 2 Online Course

University of Florida Greenhouse Training Online courses  Nutrient Management Level 2 (Advanced) Starts August 22! Train your staff to make better crop management decisions by learning in depth aspects of plant nutrition management. Nutrient Management Level 2 (Advanced) is the third course of the award-winning Greenhouse Online Training program offered by the University of Florida […]

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Symptoms of Common Nutrient Deficiencies in Hydroponic Lettuce by Neil Mattson and Tanya Merrill

Managing the nutrient solution of hydroponic crops can be much more challenging than container grown crops because: 1) hydroponic solutions are often captured and reused which can, overtime, lead to deficiencies of some elements and excess of others; and 2) pH changes much more quickly in hydroponics than in container-grown plants. Hydroponic growers should monitor […]

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Conserving Finite Resources: The Importance of Maximizing Fertilizer Uptake in Plants

Originally published on Foliar-Pak By George C. Murray, President of EnP Perhaps it’s just me, but every time I pour fertilizer onto my small crop of rhubarb, blackberries, raspberries, and cherries, I feel lucky. Lucky that we live in a time and place where companies around the world have spent the time and energy to […]

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The benefits of supplemental CO2 are worth the cost

Originally published in Issue 8 The benefits of supplemental carbon dioxide (CO2) on greenhouse crops are easy to quantify. Faster production times, higher yields and larger fruit are some of the results of incorporating CO2 into the greenhouse atmosphere to optimize plant growth. Greenhouse crop consultant Marco de Bruin at de Bruin Greenhouse Consulting never […]

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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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Nutrient guidelines for hydroponic tomato production

By Victor Loaiza, on behalf of Hort Americas It is important to conduct water and nutrient solution analyses on a regular basis to ensure hydroponic tomatoes are receiving the proper level of nutrients. Making sure that hydroponically-grown tomatoes receive the proper nutrient levels requires testing water and nutrient solutions. Growers also need to confirm that […]

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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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Pre-Empt Organic Hydroponic Fertilizer

Proudly brought to the commercial Hydroponic and Organic grower by Hort Americas and specifically developed for re-circulating NFT (Nutrient Film Technique), the Pre-Empt Organic Hydroponic Fertilizer is packed with the essential micro and macro nutrients, amino acids and vitamins your plants hunger for! Pre-Empt goes through a FIVE stage fermenting process which is above and […]

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Urban Ag News Online Magazine Issue 6

Urban Ag News Issue 6 | July 2014 Click here to download the issue. Includes: Bringing Locally Grown Food and Produce to Chicago Japan’s Plant Factories Providing Safe, Reliable Food It Takes Commitment to Grow Organically Is the Moon the Key to Sustainability on Earth? International Conference of Controlled Environment Agriculture

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