Garden & Greenhouse January-February 2018 | Page 4

Garden & Greenhouse Volume 15, Issue 10 ■ January/February 2018 T able of C ontents 6 Royal Victorian Polycarbonate Greenhouse Distributed by Exaco Trading Company 16 50 Maximizing the Dissolved Oxygen Content in a Hydroponic System Trichoderma Harzianum Benefi ts 20 Starting Seeds Indoors or in a Greenhouse page 32 52 Garden Maintenance and DIY Safety Tips for Winter 53 24 Conductivity (EC) for Hydroponics Bonsai Trees for Beginners 54 32 Organic Gardening on a Budget Products, Plants & More page 45 59 39 Tips for Heavy Pruning on Dormant Plants 40 Garden & Greenhouse Business Card Directory 60 Newspaper Gardening Feeding Orchids by Mass 45 Innovative Hydroponics Designs Save Greenhouse Growers Money- Making Space page 53 Garden & Greenhouse For Small Greenhouse Growers & Retailers, Hobby Greenhouse Owners and Indoor & Outdoor Gardeners Nichols Publishing Company 6170 Forest Hills Drive Dubuque, IA 52002 PHONE: [phone] FAX: [phone] [email protected] www.GardenAndGreenhouse.net Offi ce Manager Terri Nichols Publisher Robin Nichols [email protected] PHONE: [phone] FAX: [phone] [email protected] Contributing Editors Bill Baugh John Berends Marion Catubig Eric Hopper Mike James Dr. J Benton Jones, Jr. Mike McGroarty 4 Jeff Sanders Clair Schwan Andrew Taylor Caron Wenzel $150 per year, payable in U.S. funds. Sub- scription requests must include name, job title, business type, address information, a signature and date. Graphic Designer Char Thumser Advertising & Editorial Inquiries Garden & Greenhouse ISSN 1559-9973, is published 10 times per year, by Nichols Publishing Company, Inc., and is distributed without charge to qualifi ed subscribers in the United States. Non-qualifi ed subscription rates in the U.S., $19 per year; Canada and Mexico $75 per year; all other countries, The publisher makes no representation concerning any product or service advertised in this publication. Garden & Greenhouse Magazine serves only as a medium for sell- ers to reach potential buyers and does not warrant the accuracy of any advertisement. Garden & Greenhouse Magazine makes every effort to eliminate any typographical errors and assumes no responsibility for misspelling names of people from handwrit- ten copy. All editorial items submitted are subject to editing and alteration at the dis- cretion of the publisher. Publisher reserves the right to refuse any item for publication at www.GardenandGreenhouse.net the sole discretion of the publisher. Design and format of this magazine is protected by the copyright laws of the U.S.A. Reproduc- tion of this publication in whole or in part is prohibited. POSTMASTER: Please send address changes to Garden & Greenhouse, 6170 Forest Hills Drive, Dubuque, IA 52002. January/February 2018