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About Ed Rosenthal Speaking, Events and Consulting Zero Tolerance Contact International Cannabis Business Conference The Hash Marihuana & Hemp Museum Amsterdam Green Aid: The Medical Marijuana Legal Defense and Education Fund Quantum 9 Marijuana Consulting
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Ed Rosenthal
The Guru of Ganja
SMART Breeding: Growing the Next Elite Strain
SMART Breeding: Growing the Next Elite Strain

Legalization and new techniques in cannabinoid science usher in a new age of elite marijuana strains.

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Cannabis Cultivation, CannabinoidsEd RosenthalJuly 12, 2018smart breeding, grow your own marijuana, Cannabis breeder
Pheno-hunting: Creating the World’s Greatest Strains
Pheno-hunting: Creating the World’s Greatest Strains

Here’s how to invent new types of marijuana by following the advice of expert breeders.

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Cannabis CultivationEd RosenthalJuly 12, 2018phenohunting, strains, cannabis breeder
The Heavy Hitters of Hash: Five cannabis strains favored by the world’s top hashishins
The Heavy Hitters of Hash: Five cannabis strains favored by the world’s top hashishins

Discover Nikka T's favorite top five hash making cannabis strains.

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Consumption, Concentrates and ExtractsEd RosenthalJuly 12, 2018hash, hashish, favorite cannabis strains for hash
13 Ways to Organically Prevent and Control Aphids
13 Ways to Organically Prevent and Control Aphids

Here's what aphids look like, how to prevent them from entering your garden, and how to get rid of them organically.

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zero toleranceEd RosenthalJuly 11, 2018aphids, pests and insectsComment
8 ways to prevent 'Fusarium' root disease
8 ways to prevent 'Fusarium' root disease

Discover how Fusarium diseases, primarily fusarium wilt and fusarium root rot, present different symptoms but respond to similar prevention and control methods.

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zero toleranceEd RosenthalJuly 11, 2018Fusarium, root diseasesComment
10 ways to control Leaf Miners on marijuana gardens
10 ways to control Leaf Miners on marijuana gardens

Leaf miners leave the plants open to pathogens and fungi, and the leaf damage causes low cannabis yields.

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zero toleranceEd RosenthalJuly 11, 2018leaf miners, pests and insectsComment
An Insider’s Guide: How to Make Rosin with a Flat Iron
An Insider’s Guide: How to Make Rosin with a Flat Iron

Here’s an excerpt from my upcoming book 'Beyond Buds, Next Generation' on how to make a basic flower rosin using the flat iron technique.

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Concentrates and ExtractsEd RosenthalJuly 11, 2018Rosin, concentrates
The model for marijuana legalization is already out there
The model for marijuana legalization is already out there

It’s tomatoes.

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Cannabis CultivationEd RosenthalJuly 11, 2018Buds, tomato model
An Insider’s Guide: What are CO2 extracts and how do I make them?
An Insider’s Guide: What are CO2 extracts and how do I make them?

Here’s some key concepts from my upcoming book Beyond Buds, Next Generation: Marijuana Concentrates and Cannabis Infusions.

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Concentrates and ExtractsEd RosenthalJuly 11, 2018concentrates, Beyond Buds
Dennis Peron: Founder of the first medical marijuana dispensary in the United States
Dennis Peron: Founder of the first medical marijuana dispensary in the United States

Take a walk through time with Ed in cannabis activist Dennis Peron’s Garden

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Cannabis CultivationEd RosenthalJuly 11, 2018Dennis Peron, cannabis activist
An Insider’s Guide: How to take amazing cannabis concentrate pictures
An Insider’s Guide: How to take amazing cannabis concentrate pictures

Inspired by the cover photo for my upcoming book, is photo, Beyond Buds, Next Generation: Marijuana Concentrates and Cannabis Infusions, I asked photographer, Anthony Buchanan to describe his process for getting this amazing cannabis concentrate picture.

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Concentrates and ExtractsEd RosenthalJuly 11, 2018Beyond Buds, concentrates
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