Maximum Yield USA October 2017 | Page 14

M O D E R N G R O W I N G OCTOBER 2017 | VOLUME19 NUMBER 7 FEATURES 42 Food in the Final Frontier by Lee Allen With the colonization of other planets becoming more plausible, researchers are starting to experiment with controlled-environment growing to feed those willing to make the trip. 48 Nutrients from the Ocean by Barbara H. Shaw with Ann Molloy The sea is filled with more than just salt; it also contains plenty of mineral- and nutrient-rich items that can benefit your land-based garden. 58 How to Choose the Right Grow Lights by Upstart University Before you decide on which grow lights will illuminate your growroom, you’ll need to consider factors such as cost, crop, flavor, and heat emissions. 12 first feed