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Browse by Author: Ingram McCall
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Monitoring and Managing pH and EC Using the PourThru Extraction Method

By: Brian Whipker, Bill Fonteno, Ingram McCall, Todd Cavins, Beth Harden, James Gibson Horticulture Information Leaflets

Providing a proper nutritional program is essential for growing top quality plants. Sampling the root substrate for pH and electrical conductivity (EC) with the PourThru extraction method is a quick and simple check of the nutritional status of a crop. The PourThru extraction method allows rapid on-site determination of pH and EC values. The values provide clues about a crop’s performance before deficiency or toxicity symptoms appear.

PourThru Guidelines for Geraniums

By: Brian Whipker, Bill Fonteno, Ingram McCall, Todd Cavins, James Gibson, Beth Harden Horticulture Information Leaflets

Proper nutrition is essential for growing top quality geraniums. Sampling the root substrate for pH and electrical conductivity (EC) with the PourThru extraction method is a quick and simple check of the nutritional status of the crop and can provide immediate clues about a crop’s performance before deficiency or toxicity symptoms appear.

Guide to Successful Pot Sunflower Production

By: Brian Whipker, Shravan Dasoju, Ingram McCall Horticulture Information Leaflets

Annual sunflower is a native of North America with an original range from the Great Plains to the West Coast. Pot sunflowers have been popular in Europe for a number of years. Pot sunflowers are a quick crop to produce and offer an opportunity for growers to capitalize on the current consumer demand for the plant.

PourThru Guidelines for Poinsettias

By: Brian Whipker, Bill Fonteno, Ingram McCall, Todd Cavins, James Gibson, Beth Harden Horticulture Information Leaflets

The poinsettia is a staple in greenhouse floriculture production. As the top selling potted flowering crop, successful poinsettia production is a must. Proper fertility is essential for quality plants. Monitoring and managing the root substrate pH and electrical conductivity (EC) is critical for proper poinsettia nutrition.

PourThru Guidelines for Pansies

By: Brian Whipker, Bill Fonteno, Ingram McCall, Todd Cavins, James Gibson, Beth Harden Horticulture Information Leaflets

Proper nutrition is essential for producing quality pansies. Pansies make a large contribution to the net profit of many greenhouse operations and should be included in a nutritional monitoring program. Sampling the root substrate pH and electrical conductivity (EC) with the PourThru extraction method is a quick and simple check of the crop’s nutritional status.

Helichrysum Nitrogen (N) Deficiency

By: Brian Whipker, Ingram McCall, W. Garrett Owen Helichrysum Diagnostic Key

Diagnosis of nitrogen deficiency symptoms and corrective procedures discussed.