September 2016
CONTENTS
September 2016
FEATURES
46 70 90 100 114
46 There ' s a New Parameter in Town : Vapour Pressure Deficit Dr . Lynette Morgan
60 Composting : Where a Breakdown is a Good Thing Alan Ray
126 Growroom Ergonomics Frank Rauscher
136 Finding a Happy Medium : Grow Media Tips and Tricks Sara Elliott
146 Systemic and Non-Systemic Pesticides Rich Hamilton
152 Why Do My Plants Keep Dying ? Beth Garner
70 How to Maintain Growroom Air Quality Eric Hopper
80 Is it Time to Upgrade Your Ballasts ? Cory Hughes
90 Take Your Growroom to the Next Level Monica Rakowski
100 3 Ways to Supplement CO 2 Amy Storey
114 10 Instruments Every Grower Needs Chris Bond
DEPARTMENTS
16 |
From the Editor |
134 |
Tips & Tricks |
20 |
Contributors |
150 |
Growers Know |
22 |
Letters to the Editor |
156 |
You Tell Us |
24 |
Ask the Experts |
158 |
10 Facts On |
26 |
Max Facts |
160 |
Talking Shop |
34 |
Product Spotlight |
162 |
Max Mart |
112 |
Green Thumb Gardening |
163 |
Distributors |
124 |
Beginner ’ s Corner |
|
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14 Maximum Yield USA | September 2016