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Issue 26

Living Soil

It’s alive! Read about living organic soil and the many benefits of stinging nettle and biochar. Also, learn how to grow ancient Aztec veggies!

Issue 25

The Balance Edition

Finding balance in the garden is essential. To prune or not to prune? Read about the biochemistry of cold and making black gold. And, what’s a CAFO?

Issue 24

The Flowering Cycle

Read about the biology of the flowering cycle and find tips on how to train your plants. Also, how Paul Newman’s old watch is doing serious good.

Issue 23

The Vegetative Cycle

Treat your plants right in the vegetative cycle. Learn how to steer them and get tips on foliar feeding. Also, a garden in the desert makes it work.

Issue 22

It All Starts With Water

This issue makes a splash with articles on the water pioneers and how to harvest rainwater. Also, find out how microbes work in hydroponics.

Issue 21

Nature & Tech

Nature and technology collide! Do more plants along highways lead to fewer accidents? Also, grow room analytics and bringing life to the garden.

Issue 20

The Great Hydro Store Survey

The Great Hydro Store Survey is back by popular demand! Learn how to grow luffa, about the power of pH, and how to care for indoor container gardens.

Issue 19

Battle Of The Bugs

We take a look at the good, the bad, and the ugly in the Battle of the Bugs issue. Learn about insect pollinators and indigenous microorganisms too.

Issue 18

How It's Made

How are lamps made? Find out how along with articles on digital ballasts, cleaning the land with bioremediation, and Korean Natural Farming.

Issue 17

The Reality Of Temperature

The truth about temperature: learn about heat stress and killing cold, vapor pressure deficit, and what to do about powdery mildew in the garden.

Issue 16

Growing Control

Take control of your grow with tips on lighting, supplements, and the garden’s ultimate environment. Also, learn about the not so sweet side of sugar.

Issue 15

Next Level Growing Techniques

Looking to take your growing techniques to the next level? Read about oxyfertigation, the good bugs every garden needs, and how to grow avocados.

Issue 14

Substrates

From clay pebbles and coco coir to peat moss and Rockwool, this issue digs into the world of substrates. Also, find out how to make your own soil.

Issue 13

The Organic Edition

Does a plant know the difference between organic and synthetic? Urban roof gardens are all the rage, and green manure, an awesome tool for any grower.

Issue 12

Hitting the Target

Battling fungus gnats? We can help with that. This issue also has tips for growing big in small spaces and more about the history of hydroponics.

Issue 11

The Haber Process

Learn all about the Haber Process and the holy grail of gardening, NPK. Recipes for compost tea and fertilizers, and guides for growing giant veg.

Issue 10

The Art of Growing & Pest Control

This issue offers tips for pest and disease control through fertility, more from the history of hydroponics series, and a tribute to Abram Steiner.

Issue 09

History of Hydroponics

It’s an ancient way to grow: read about the history of hydroponics. Also, find out how to select a greenhouse and why phosphorus and potassium matter.

Issue 08

Tree of Knowledge

The tree of knowledge: we may have no choice but to grow without soil by 2075. Urban agriculture on the rise and hydro chillies are hotter than ever!

Issue 07

Life Force & The Garden

Is there a life force in the garden? Follow our easy guide from growing kale, and learn about fermentation and why reflectors really matter.

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