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CONTENTS contents Carol Posthumus Pg4 [email protected] Editor Riana Lombard Food gardens Babylonstoren’s abundant edible garden 4 UN Food Garden first in New York 8 Cape Town’s Company’s Garden’s VOC Vegetable Garden [email protected] Advertising Sales 12 Landscape Pg8 René van der Merwe [email protected] Subscriptions and circulation SABI delighted to be part of SAGIC 16 The Park, Las Vegas is a water hero 18 Drip and micro Isobel van der Stoep [email protected] Technical Executive Officer 5 tips for saving water domestically with sprinklers 20 Advances in drip technology and orchard irrigation 22 Water Annemarie van der Westhuizen The water infrastructure market 21 Prestigious Monaco Foundation prize for WRC 24 Where to desalination in South Africa? 24 [email protected] | alliancephoto.com Graphic Design Joburg’s water history 48 World Vision installs water tanks 49 Contributors: Technical [email protected] Technical Assistant Pg12 Liam Hamer-Nel Mike de Villiers, Bertie Hamman, Candes Keating Printing Colourtone Aries, Cape Town, RSA Tel: [phone] Pg28 How to take a soil sample Pg36 Agribusiness attractive option for investors 28 Business 36 Pumps Distribution Excellence and sustainability 38 Ezweni Magazine Distribution www.ezwenimags.co.za Submersible waste water pumps launch 40 Innovative spirit 41 Media Support Biodiversity www.mediasupport.co.za Cover Photograph In the Babylonstoren garden persimmon tree framed by Delft mosaic, Simonsberg mountains looking on. Image courtesy Babylonstoren. Global assessment of plants Pg46 43 Greenhouses CPUT’s greenhouses go high-tech 46 Advertorial Macneil Plastics Published by SABI (South African Irrigation Institute / Suid Afrikaanse Besproeiingsinstituut) T: [phone] | E: [email protected] Regulars From the editor President’s message Web: www.sabi.co.za Address: PO Box 834, Strand, 7139, Western Cape, South Africa Company members SABI magazine / tydskrif SABI Approved Designers is a bi-monthly publication. 47 Weather Dam levels 2 Training Update 51 3 Subscribe now 26-27 Advertisers contents 34 35 Diary 51 50 Contacts at SABI 52 52 52 © Copyright: South African Irrigation Institute/Suid-Afrikaanse Besproeiingsinstituut) (SABI). Requests to reproduce material herein should be addressed to [email protected]. All rights reserved. Disclaimer: The views expressed herein by authors or advertisers are not necessarily subscribed to or endorsed by SABI or the editor. SABI | JUNE/JULY 2016 1