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Arvum Plant Testing Product Documents
Arvum Plant Labs Chain of Custody FormCannabis Leaf Tissue Analysis | Real‑Time Nutrient Status
Leaf tissue analysis determines nutrient content in plant tissues to provide a more precise fertilization program. This helps quantify actual nutrient uptake vs feed chart and can reveal luxury P/K uptake or immobile Ca/Mg shortages
When Should I Do A Plant Tissue Analysis?
Growers should consider plant tissue testing:
- Week 3 and week 6 flower checkpoints
- Whenever visual symptoms appear but runoff looks "normal"
Plant Tissue Analysis Example
- Finding: Low boron (17 ppm; ideal 35‑55 ppm).
- Action: Foliar spray 0.1 g/L Solubor, raise B in feed by 0.05 ppm, confirm in next tissue sample.
What To Expect: We will ship the appropriate sample holder and accompanying instructions, along with a prepaid return label, if requested, for sending it back to our facility. Test results will be available within 2 to 3 business days after which one of our Cultivation Advisors will contact you to discuss the next steps.