What is diatomaceous earth and why is it used for cannabis cultivation?

A well-known integrated pest management system, known as diatomaceous earth, has been approved for Canada’s cannabis cultivation. This pesticide is comprised of silicon dioxide – a natural substance. (1) What is diatomaceous earth and where did it come from? In reality, diatomaceous earth, or diatomite, is simply a sedimentary rock. Diatoms are single-celled algae that […]

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Health Canada approves chloropicrin fumigant for cannabis farms

Agriculture is a bug-filled industry that must put in work to remain clean. Soil fumigants are a major controversy in this regard. But, with outdoor cannabis cultivation license approvals now on the rise, Health Canada‘s Pesticide Management Regulatory Agency (PMRA) approved a fumigant for cannabis farms – chloropicrin (trichloronitromethane.) Two fumigants are approved for Canada’s outdoor […]

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Knotweed Extract: A Natural Pesticide

With so many chemical and “biological” pesticides, you might ask if there is anything more natural available? During this series, there has been one more addition. It’s an extract of a plant related to the Japanese invasive species – Knotweed. This knotweed extract uses terpenes, but mostly natural phenols, to repel pests. That is unless […]

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