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Susan Parent

Susan Parent
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As a horticulture specialist with more than thirty-five years’ tenure at Premier Tech, Susan Parent specializes in plant health solutions, microbiology, and grower support. For the past fifteen years, she has helped growers improve crop quality and yield with innovative approaches to enhance plant growth and productivity.
Close-up of the periodic table highlighting heavy metals like mercury, cadmium, and gold with a warm illuminated glow.

Keeping Cannabis Clean: A Grower’s Guide to Heavy Metals

Heavy metals can find their way into cannabis through water, soil, fertilizers, and even aging equipment—yet most growers don’t realize how easily contamination can occur. Researchers are just beginning to understand how the plant interacts with metals like arsenic, cadmium, and lead, but cultivators can take practical steps now to minimize risk. From input testing and pH management to smarter irrigation practices, here’s what every grower should know to keep crops compliant and consumers safe.
Cannabis cultivation technician inspecting mature plants in a controlled grow room.

How to Identify and Fix Nutrient Deficiencies in Cannabis Plants

Nutrient deficiencies are among the most common — and costly — problems in cannabis cultivation. From nitrogen shortages to micronutrient lockout, imbalances can quietly erode plant health, diminish quality, and cut yields. This practical guide explains how to identify visible symptoms, correct underlying causes like pH imbalance or improper EC, and restore plants to peak performance. Whether you’re growing in peat, coir, or rockwool, these science-backed solutions can help keep your crop thriving from veg to flower.

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