March 2021

How LED Light Recipes and Controls Can Improve Quality and Yield for Cannabis Producers

March 05, 2021

The Cultivation Classroom

Learn the ways light energy from different parts of the action spectrum can affect plant expression, harvest structure, and quality characteristics and how light-emitting diode light fixtures can be controlled to modulate light intensity and spectral distribution to produce different effects.

The Big Four Heavy Metals in Cannabis: Sample Preparation and Analysis via ICP-MS

March 05, 2021

Feature

This work describes an inductively coupled plasma-mass spectrometry method for the analysis of various heavy metals in cannabis sativa plant material.

Why Does Leaf Temperature Matter in a Commercial Grow Room?

March 05, 2021

Feature

Part I of this article series explores the concept of balancing leaf temperature to optimize plant growth.

Qualitative Versus Quantitative Hemp Testing: The Limitations of Current Law Enforcement Field Tests

March 05, 2021

Feature

This article focuses on the technology being used in new rapid field tests that combine one-time-use color testing with a colorimetric panel that provides an identification and semiquantitation of THC and THCA.

Quality Matters: A Chat with Keystone Labs President, Jodi McDonald

December 03, 2020

Cannabis Voices

Keystone Labs is an accredited testing facility with a good manufacturing practice (GMP) establishment license. Jodi McDonald, president and founder of Keystone Labs, based in Edmonton Alberta, Canada discusses their role in the industry.