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Brian E. Whipker

Dr. Brian E. Whipker, Ph.D., is a professor of floriculture at North Carolina State University specializing in plant nutrition, plant growth regulators and diagnostics. He co-authored eight scientific journal articles on the impact of fertilization with greenhouse species and three disorder diagnostic guides. Dr. Whipker has more than 30 years of greenhouse experience working with growers.

From Brian E. Whipker
Top Stories
Balancing Root Zone pH in Cannabis Cultivation
Understanding how water quality, substrates and fertilizers impact substrate pH is crucial to crop health.
March 17, 2025
Cultivation Matters Top Story Image March 2025
Top Stories
3 Questions to Ask When Diagnosing Cannabis Plant Health Issues
Knowing the pattern, distribution, and timeline of a problem can guide you to the proper solution.
December 30, 2024
Cultivation Matters Jan 2025 Top Story Image
Columns
Teasing Out Mimics: Potassium vs. Magnesium
An NCSU study on optimal potassium and magnesium fertility for Cannabis sativa explored how various rates impact growth in the vegetative and flowering stages and the unique indicators of both nutrients to help with diagnostics.
October 1, 2024
LEFT: This six-week-old Cannabis sativa ‘BaOx’ plant received 0.0 ppm K fertility. RIGHT: Magnesium deficiency symptoms in their early stages.
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