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TRANSCRIPT
1/18/2017
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Basics of Soilless Crop Production Systems
Petrus Langenhoven, Ph.D.Horticulture and Hydroponics Crops Specialist
January 10, 20171
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OUTLINE OF PRESENTATION
• Soilless Production
• Solution Culture
• Medium Culture
• Crops
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STATISTICS
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USDA NASS Horticulture Specialties Census: 2014Food Crops Grown Under Protection and Sold
U.S. Michigan Ohio Illinois Indiana Kentucky
Acres
Total 2142 25 24 11 12 13
Cucumbers 252 10 1 0 0 1
Herbs, cut fresh 318 1 2 ‐ 1 0
Lettuce, all 99 1 5 0 2 1
Peppers, all 81 1 1 0 ‐ 0
Strawberries 14 0 0 0 ‐ 1
Tomatoes 978 6 10 7 8 9
Other food crops 399 5 6 3 ‐ 1
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Soilless Production4
..method of growing plants using mineral nutrient solutions, without soil…
Two types of hydroponics, solution culture and medium culture
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Source: http://delphy.nl/en/news/growing‐under‐100‐led‐lighting/
RECORD TOMATO YIELD….2014/15 SEASON, Bleiswijk, The Netherlands
2014/15 season
100.6 kg∙m‐2 = 20.6 lb∙ft‐2
or1006 ton∙ha‐1 = 449 US tons∙acre‐1
or1006 ton∙ha‐1 = 897,352 lbs∙acre‐1
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Solution Culture6
Photo: Petrus Langenhoven Photo: Rutgers Univ. EcoComplex
Photo: http://www.flowermuse.com/blog/behind‐the‐scenes‐at‐the‐tulip‐farm/
Photo: Petrus Langenhoven
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NUTRIENT FILM TECHNIQUE, fixed channel
Photo: hydrocentre.com.au
Photo: CROPKING
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NUNTRIENT FILM TECHNIQUE, mobile channel system
Photos curtesy of Karlovec Media GroupFacility of Great Lakes Growers, Burton, Ohio
Watch video, MGS by Hortiplanwww.hortamericas.com
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INDOOR VERTICAL FARMS, growing with sole‐source LED’s
Photos: Green
Sen
se Farms
Photos: Growtainer
PhotoS: Freight Farm
s
Photos: FarmedHere
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DEEP WATER CULTURE (DEEP FLOW),vegetable seedling production
Photos: Petrus Langenhoven
Without seedling trays With seedling trays
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Roots are continuously or discontinuously kept in an environment saturated with a mist or aerosol of nutrient solution
Potato Photos: Neiker‐Tecnaliahttp://www.basqueresearch.com/new/2172
5‐10 times more seed than potted systems,International Potato Center (CIP)
AEROPONICS, recirculating cultivation system
Potato seed production
Anthurium flower production
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Medium Culture12
Photo: http://www.microgreengarden.com/apps/photos/photo?photoid=185360177
Photo: https://www.pinterest.com/pin/548313323354642917/ Photos: Petrus Langenhoven
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GRAVEL FLOW TECHNIQUE, home gardener version
Photos: Petrus Langenhoven
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EBB AND FLOW, recirculating cultivation system
© Copyright, Pure Hydroponics Ltd, 2009, www.purehydroponics.com Photo: Petrus Langenhoven
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EBB AND FLOW, recirculating cultivation system
Photos: Petrus Langenhoven
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RUN TO WASTE
Photos: Petrus Langenhoven
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Container with substrate irrigated individually Trough with substrate with drip irrigation
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RECIRCULATING, soil grown (Belgium)
Photos: Petrus Langenhoven
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RECIRCULATING, Rockwool slabs with 4 plants per slab
Photos: Petrus Langenhoven
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Crops19
Hand‐picked, soil‐grown herbs…….and herbs grown in soilless substrate. Potted living herbs grown in soilless substrate
Photos: Petrus Langenhoven Photo: Kitchen Pick Living herbs
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PRODUCTION OF ALTERNATIVE HIGH VALUE PRODUCTS (examples of baby squash)
Photos: Petrus Langenhoven
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MELONS – Vertically trellised in a high tunnel or greenhouse
Photos: Petrus Langenhoven
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INFORMATION RESOURCES• University resources – Extension publications• Professional magazines
– Greenhouse Grower, www.greenhousegrower.com– Practical Hydroponics and Greenhouses, www.hydroponics.com.au– Greenhouse Canada, www.greenhousecanada.com
• Books– Greenhouse Technology and management, Nicolas Castilla– Greenhouse Operation and Management, Paul V. Nelson– Soilless Culture, Michael Raviv & J. Heinrich Leith– Growing Media for Ornamental Plants and Turf, Kevin Handreck & Niel Black– Plant Nutrition of Greenhouse Crops, Cees Sonneveld & Wim Voogt– Hydroponic Food Production, Howard M. Resh
• Trade shows and conferences– Indiana Small Farm Conference, March 2‐4, 2017 – Danville IN– Indoor Ag Con, May 3‐4, 2017 – Las Vegas NV– Cultivate’17, July 15‐18, 2017 – Columbus OH
• Manufacturers and distributors (list is not complete but it’s a good start): – http://www.tunnelberries.org/single‐bay‐high‐tunnel‐manufacturers.html– http://www.tunnelberries.org/multi‐bay‐high‐tunnel‐manufacturers.html
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THANK YOU Questions?Contact details:
Dr. Petrus Langenhoven
Horticulture and Hydroponics Crop Specialist
Department of Horticulture and Landscape Architecture
Purdue University
Tel. no. 765-496-7955
Email: [email protected]
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